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Trojan.Encoder.41079

Added to the Dr.Web virus database: 2024-09-29

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'UpdateTask' = '%APPDATA%\svchost.exe'
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Task Manager (Taskmgr)
deletes volume shadow copies.
Reads files which store third party applications passwords
  • %HOMEPATH%\desktop\000814251_video_01.avi
  • %HOMEPATH%\desktop\tileimage.bmp
  • %HOMEPATH%\desktop\thlps_keeper_mayer_1965.docx
  • %HOMEPATH%\desktop\testcertificate.cer
  • %HOMEPATH%\desktop\sdszfo.docx
  • %HOMEPATH%\desktop\ovp25012015.doc
  • %HOMEPATH%\desktop\lisp_success.doc
  • %HOMEPATH%\desktop\issi2013_template_for_posters.docx
  • %HOMEPATH%\desktop\howto-index.html
  • %HOMEPATH%\desktop\file_p_00000000_1371597592.docx
  • %HOMEPATH%\desktop\dialmap.bmp
  • %HOMEPATH%\desktop\dashborder_120.bmp
  • %HOMEPATH%\desktop\correct.avi
  • %HOMEPATH%\desktop\coffee.bmp
  • %HOMEPATH%\desktop\alert.html
  • %HOMEPATH%\desktop\advice_process.htm
  • %HOMEPATH%\desktop\tree_view.htm
  • %HOMEPATH%\desktop\tree_view.html
Searches for windows to
detect analytical utilities:
  • ClassName: 'OLLYDBG', WindowName: ''
Modifies file system
Creates the following files
  • %TEMP%\tyson_protected.exe
  • %APPDATA%\microsoft\office\recent\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\maintenance\help.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\fr\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows\wer\reportqueue\critical_microsoft .net f_5deabd23d637fc27acf7bfdd613025667396c824_cab_0a8d2661\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\microsoft office\decryption instructions.txt
  • %APPDATA%\microsoft\internet explorer\quick launch\user pinned\taskbar\windows media player.lnk.tyson
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\accessories\tablet pc\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\he\decryption instructions.txt
  • %APPDATA%\microsoft\internet explorer\quick launch\user pinned\taskbar\opera.lnk.tyson
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\q1e129qo\decryption instructions.txt
  • %APPDATA%\microsoft\internet explorer\quick launch\user pinned\taskbar\internet explorer.lnk.tyson
  • %APPDATA%\microsoft\internet explorer\quick launch\user pinned\taskbar\google chrome.lnk.tyson
  • %APPDATA%\microsoft\internet explorer\quick launch\user pinned\taskbar\firefox.lnk.tyson
  • %APPDATA%\microsoft\internet explorer\quick launch\user pinned\taskbar\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\accessories\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\wer\reportqueue\noncritical_x64_528c94ccf5464e2e06249b41105333fcda5052_cab_05e13dfe\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\accessories\windows powershell\decryption instructions.txt
  • %APPDATA%\microsoft\uproof\decryption instructions.txt
  • %APPDATA%\microsoft\uproof\custom.dic.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\id\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\hu\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\administrative tools\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\winrar\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\steam\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\startup\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\hr\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\sharepoint\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\microsoft office\microsoft office 2010 tools\decryption instructions.txt
  • %APPDATA%\microsoft\office\recent\templates.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\hi\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows mail\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\accessories\system tools\decryption instructions.txt
  • %APPDATA%\microsoft\internet explorer\quick launch\window switcher.lnk.tyson
  • %APPDATA%\microsoft\internet explorer\quick launch\user pinned\taskbar\windows explorer.lnk.tyson
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\maintenance\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\fil\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\system tools\private character editor.lnk.tyson
  • %LOCALAPPDATA%\microsoft\windows\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\es_419\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows\history\history.ie5\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows\history\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows\explorer\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows\burn\burn\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\magnify.lnk.tyson
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\ease of access.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\es\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\ringtones\decryption instructions.txt
  • %HOMEPATH%\music\decryption instructions.txt
  • %HOMEPATH%\links\recentplaces.lnk.tyson
  • %HOMEPATH%\links\downloads.lnk.tyson
  • %LOCALAPPDATA%\microsoft\windows mail\backup\new\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\accessories\accessibility\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\et\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\604pwz7f\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\narrator.lnk.tyson
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\decryption instructions.txt
  • %APPDATA%\microsoft\internet explorer\quick launch\shows desktop.lnk.tyson
  • %APPDATA%\microsoft\internet explorer\quick launch\launch internet explorer browser.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\fi\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\eu\decryption instructions.txt
  • %APPDATA%\microsoft\internet explorer\quick launch\google chrome.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\session storage\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\decryption instructions.txt
  • %APPDATA%\microsoft\internet explorer\quick launch\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\system tools\control panel.lnk.tyson
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\system tools\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\system tools\computer.lnk.tyson
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\dzhkzdlo\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\bg0n0zou\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\on-screen keyboard.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\it\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\games\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\java\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\el\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\de\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\da\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\cs\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\fr\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\ca\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\fil\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\bg\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\fi\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\ar\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\es\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\en\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\el\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\de\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\en\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\hr\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\en_us\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\en_gb\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\lv\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\lt\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\ko\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\ja\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\it\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\he\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\fr\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\id\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\fil\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\fi\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\et\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\es_419\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\hu\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\es\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\coobgpohoikkiipiblmjeljniedjpjpf\0.0.0.19_0\_locales\en_us\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\da\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\zh_tw\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\sv\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows nt\msscan\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\zh_cn\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\nl\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\ms\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\vi\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\lv\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows defender\support\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\uk\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\tr\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\lt\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\th\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\ko\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows mail\stationery\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\ja\decryption instructions.txt
  • %APPDATA%\microsoft\windows\libraries\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows\start menu\programs\maintenance\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\windows nt\msfax\virtualinbox\en-us\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\blpcfgokakmgnkcojhhkbfbldkacnbeo\4.2.5_0\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\ca\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\no\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\sr\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\bg\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\sl\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\ar\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\sk\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\ru\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows sidebar\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\windows media\12.0\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\ro\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\pt_pt\decryption instructions.txt
  • C:\users\public\videos\sample videos\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\pt_br\decryption instructions.txt
  • C:\users\public\videos\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\pl\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\cs\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\pjkljhegncpnkpknbcohdijeoejaedia\7_0\_locales\hi\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\sendto\fax recipient.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\application\42.0.2311.135\visualelements\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\application\42.0.2311.135\pepperflash\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\device stage\device\{8702d817-5aad-4674-9ef3-4d3decd87120}\decryption instructions.txt
  • %ALLUSERSPROFILE%\mozilla\updates\d78bf5dd33499ec2\decryption instructions.txt
  • %ALLUSERSPROFILE%\mozilla\updates\308046b0af4a39cb\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\device stage\device\{113527a4-45d4-4b6f-b567-97838f1b04b0}\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\device stage\task\{07deb856-fc6e-4fb9-8add-d8f2cf8722c9}\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{13a4ee12-23ea-3371-91ee-efb36ddfff3e}v12.0.21005\packages\vcruntimeminimum_x86\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\application\42.0.2311.135\default_apps\decryption instructions.txt
  • %ALLUSERSPROFILE%\adobe\setup\{ac76ba86-7ad7-1033-7b44-ac0f074e4100}\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\application\42.0.2311.135\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\application\decryption instructions.txt
  • C:\users\public\decryption instructions.txt
  • %LOCALAPPDATA%\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\application\42.0.2311.135\installer\decryption instructions.txt
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1041\thm.wxl
  • %ALLUSERSPROFILE%\package cache\{37b8f9c7-03fb-3253-8781-2517c99d7c00}v11.0.61030\packages\vcruntimeadditional_amd64\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extension rules\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{cf2bea3c-26ea-32f8-aa9b-331f7e34ba97}v11.0.61030\packages\vcruntimeminimum_amd64\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{bd95a8cd-1d9f-35ad-981a-3e7925026ebb}v11.0.61030\packages\vcruntimeminimum_x86\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{b175520c-86a2-35a7-8619-86dc379688b9}v11.0.61030\packages\vcruntimeadditional_x86\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{a749d8e6-b613-3be3-8f5f-045c84eba29b}v12.0.21005\packages\vcruntimeminimum_amd64\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{9d29fc96-9eee-4253-943f-96b3bbfdd0b6}v14.16.27024\packages\vcruntimeadditional_amd64\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\databases\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\office\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\device stage\task\{e35be42d-f742-4d96-a50a-1775fb1a7a42}\en-us\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{929fbd26-9020-399b-9a7a-751d61f0b942}v12.0.21005\packages\vcruntimeadditional_amd64\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{6cd9e9ed-906d-4196-8dc3-f987d2f6615f}v14.29.30133\packages\vcruntimeminimum_amd64\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\network\downloader\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\device stage\task\{e35be42d-f742-4d96-a50a-1775fb1a7a42}\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{42667d2e-b054-46c1-9d46-2ee1332c14c1}v14.29.30133\packages\vcruntimeadditional_x86\decryption instructions.txt
  • %HOMEPATH%\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\application\42.0.2311.135\extensions\decryption instructions.txt
  • C:\users\decryption instructions.txt
  • %APPDATA%\svchost.exe
  • %TEMP%\dd_vcredist_arm64_20240928010813.log
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1028\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1036\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1031\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1031\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1029\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1029\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1028\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1040\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\logo.png
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\thm.xml
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\wixstdba.dll
  • %WINDIR%\temp\{6d419022-cb8c-4325-b805-f0191a08aa33}\.cr\vc_redist.arm64.exe
  • %TEMP%\vc_redist.arm64.exe
  • %ALLUSERSPROFILE%\package cache\{e699e009-1c3c-4e50-9b57-2b39f0954c7f}v14.29.30133\packages\vcruntimeadditional_amd64\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\device stage\task\{07deb856-fc6e-4fb9-8add-d8f2cf8722c9}\en-us\decryption instructions.txt
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1040\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1042\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1036\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\bootstrapperapplicationdata.xml
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\3082\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\3082\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\2052\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\2052\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1055\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1055\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1049\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1049\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1046\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1046\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1045\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1045\thm.wxl
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1042\license.rtf
  • %WINDIR%\temp\{69f15d3d-cc6c-4f08-9bd1-a4bdc5830c5f}\.ba\1041\license.rtf
  • %ALLUSERSPROFILE%\microsoft\rac\statedata\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{ec9807de-b577-47b1-a024-0251805acf24}v14.29.30133\packages\vcruntimeminimum_x86\decryption instructions.txt
  • %ALLUSERSPROFILE%\package cache\{f1b0fb3a-e0ea-47a6-9383-3650655403b0}v14.16.27024\packages\vcruntimeminimum_amd64\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\ca\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\bg\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\ar\decryption instructions.txt
  • %HOMEPATH%\favorites\links for united states\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\sendto\decryption instructions.txt
  • %HOMEPATH%\favorites\links\decryption instructions.txt
  • %HOMEPATH%\favorites\decryption instructions.txt
  • %HOMEPATH%\downloads\decryption instructions.txt
  • %HOMEPATH%\documents\decryption instructions.txt
  • %HOMEPATH%\desktop\telegram.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\internet explorer\quick launch\window switcher.lnk.tyson
  • C:\users\default\appdata\roaming\microsoft\internet explorer\quick launch\shows desktop.lnk.tyson
  • %ALLUSERSPROFILE%\microsoft\user account pictures\default pictures\decryption instructions.txt
  • %TEMP%\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\cs\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\feeds cache\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\en_gb\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\da\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\windows explorer.lnk.tyson
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\el\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\internet explorer\recovery\high\active\decryption instructions.txt
  • %HOMEPATH%\links\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\apdfllckaahabafndbhieahigkjlhalf\6.2_0\_locales\de\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\run.lnk.tyson
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\notepad.lnk.tyson
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\command prompt.lnk.tyson
  • %ALLUSERSPROFILE%\microsoft\windows\caches\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\internet explorer\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\feeds cache\aowdc71i\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\feeds cache\9lygctr1\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\feeds cache\17h8i54k\decryption instructions.txt
  • %LOCALAPPDATA%\microsoft\feeds cache\09emkjp8\decryption instructions.txt
  • C:\users\default\appdata\roaming\microsoft\internet explorer\quick launch\decryption instructions.txt
  • %HOMEPATH%\searches\decryption instructions.txt
  • %HOMEPATH%\desktop\google chrome.lnk.tyson
  • %HOMEPATH%\saved games\decryption instructions.txt
  • C:\users\default\decryption instructions.txt
  • %ALLUSERSPROFILE%\sun\java\java update\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\officesoftwareprotectionplatform\decryption instructions.txt
  • C:\users\public\music\decryption instructions.txt
  • C:\users\public\libraries\decryption instructions.txt
  • C:\users\public\downloads\decryption instructions.txt
  • C:\users\public\documents\decryption instructions.txt
  • C:\users\public\desktop\steam.lnk.tyson
  • C:\users\public\desktop\opera.lnk.tyson
  • C:\users\public\desktop\mozilla thunderbird.lnk.tyson
  • C:\users\public\desktop\firefox.lnk.tyson
  • C:\users\public\desktop\acrobat reader dc.lnk.tyson
  • %ALLUSERSPROFILE%\package cache\{f8cfeb22-a2e7-3971-9eda-4b11edefc185}v12.0.21005\packages\vcruntimeadditional_x86\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\search\data\applications\windows\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extension state\decryption instructions.txt
  • %HOMEPATH%\pictures\decryption instructions.txt
  • %HOMEPATH%\links\desktop.lnk.tyson
  • %HOMEPATH%\desktop\dashborder_120.bmp.tyson
  • %ALLUSERSPROFILE%\microsoft\officesoftwareprotectionplatform\cache\decryption instructions.txt
  • C:\users\public\music\sample music\kalimba.mp3.tyson
  • %HOMEPATH%\desktop\correct.avi.tyson
  • %HOMEPATH%\desktop\coffee.bmp.tyson
  • %HOMEPATH%\desktop\alert.html.tyson
  • %HOMEPATH%\desktop\advice_process.htm.tyson
  • %HOMEPATH%\desktop\decryption instructions.txt
  • %ALLUSERSPROFILE%\microsoft\user account pictures\decryption instructions.txt
  • %LOCALAPPDATA%\mozilla\firefox\profiles\apc2n9d1.default-release\startupcache\decryption instructions.txt
  • %HOMEPATH%\desktop\000814251_video_01.avi.tyson
  • C:\users\public\music\sample music\decryption instructions.txt
  • %HOMEPATH%\contacts\user.contact.tyson
  • %LOCALAPPDATA%low\microsoft\internet explorer\services\decryption instructions.txt
  • %LOCALAPPDATA%\google\chrome\user data\default\extensions\aohghmighlieiainnegkcijnfilokake\0.0.0.6_0\decryption instructions.txt
  • %HOMEPATH%\contacts\decryption instructions.txt
  • %HOMEPATH%\videos\decryption instructions.txt
  • %HOMEPATH%\desktop\dialmap.bmp.tyson
  • %APPDATA%\microsoft\windows\recent\decryption instructions.txt
Modifies the following files
  • C:\users\public\desktop\acrobat reader dc.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\narrator.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\magnify.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\ease of access.lnk
  • %HOMEPATH%\links\recentplaces.lnk
  • %HOMEPATH%\links\downloads.lnk
  • %HOMEPATH%\links\desktop.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\windows explorer.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\run.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\notepad.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\command prompt.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\sendto\fax recipient.lnk
  • %HOMEPATH%\desktop\telegram.lnk
  • C:\users\default\appdata\roaming\microsoft\internet explorer\quick launch\window switcher.lnk
  • C:\users\default\appdata\roaming\microsoft\internet explorer\quick launch\shows desktop.lnk
  • %HOMEPATH%\desktop\google chrome.lnk
  • %HOMEPATH%\desktop\dialmap.bmp
  • %HOMEPATH%\desktop\dashborder_120.bmp
  • %HOMEPATH%\desktop\correct.avi
  • %HOMEPATH%\desktop\coffee.bmp
  • %HOMEPATH%\desktop\alert.html
  • %HOMEPATH%\desktop\advice_process.htm
  • %HOMEPATH%\desktop\000814251_video_01.avi
  • %HOMEPATH%\contacts\user.contact
  • C:\users\public\desktop\steam.lnk
  • C:\users\public\desktop\opera.lnk
  • C:\users\public\desktop\mozilla thunderbird.lnk
  • C:\users\public\desktop\firefox.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\accessibility\on-screen keyboard.lnk
  • C:\users\default\appdata\roaming\microsoft\windows\start menu\programs\accessories\system tools\computer.lnk
Modifies multiple files.
Modifies user data files (Trojan.Encoder).
Changes user data files extensions (Trojan.Encoder).
Miscellaneous
Creates and executes the following
  • '%TEMP%\tyson_protected.exe'
  • '%TEMP%\vc_redist.arm64.exe'
  • '%WINDIR%\temp\{6d419022-cb8c-4325-b805-f0191a08aa33}\.cr\vc_redist.arm64.exe' -burn.clean.room="%TEMP%\VC_redist.arm64.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
  • '%APPDATA%\svchost.exe'
Executes the following
  • '%WINDIR%\syswow64\cmd.exe' /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
  • '%WINDIR%\syswow64\cmd.exe' /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
  • '%WINDIR%\syswow64\cmd.exe' /C wbadmin delete catalog -quiet
  • '%WINDIR%\syswow64\cmd.exe' /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /C wbadmin delete catalog -quiet' (with hidden window)

Curing recommendations

  1. If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space.
  2. If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Download Dr.Web

Download by serial number

Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
  2. If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
    • Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
    • Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
    • Switch off your device and turn it on as normal.

Find out more about Dr.Web for Android