Trojan.Encoder.34214

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'services.exe' = '"%APPDATA%\Microsoft\Windows\services.exe" -start'

Creates the following files on removable media

<Drive name for removable media>:\!!! all your files are encrypted !!!.txt
<Drive name for removable media>:\iso27k_isms_implementation_and_certification_process_overview_v2.pptx
<Drive name for removable media>:\hypothyroidism_slides.pptx
<Drive name for removable media>:\middaugh_keynote.pptx
<Drive name for removable media>:\gruenspecht_02172016.pptx
<Drive name for removable media>:\stoc13_ml_quoc_le.pptx
<Drive name for removable media>:\accountsreceivable.ppt
<Drive name for removable media>:\writingcompletesarnarrative_1103.ppt
<Drive name for removable media>:\mappingconcepthubberlin.ppt
<Drive name for removable media>:\cbz.png
<Drive name for removable media>:\systisoft.pem
<Drive name for removable media>:\foaf.rdf
<Drive name for removable media>:\cert.pem
<Drive name for removable media>:\delongcacert.pem
<Drive name for removable media>:\investmentbankca_ca8.pem
<Drive name for removable media>:\lom602.pdf
<Drive name for removable media>:\bc01.pdf
<Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.pdf
<Drive name for removable media>:\7790_preview.pdf
<Drive name for removable media>:\dualectls.pdf
<Drive name for removable media>:\video_1.mp4
<Drive name for removable media>:\51.mp4
<Drive name for removable media>:\clip_480_5sec_6mbps_h264.mp4
<Drive name for removable media>:\ck.pem
<Drive name for removable media>:\schema.rdf
<Drive name for removable media>:\skos.rdf
<Drive name for removable media>:\contenttypes.rdf
<Drive name for removable media>:\productos.zip
<Drive name for removable media>:\subjectclassification.zip
<Drive name for removable media>:\price030215.zip
<Drive name for removable media>:\disclosuredetails.xlsx
<Drive name for removable media>:\national_autism_preparation_programs.xlsx
<Drive name for removable media>:\cee_mmsprogram_summary_public.xlsx
<Drive name for removable media>:\al.xlsx
<Drive name for removable media>:\highly_cited_2001.xlsx
<Drive name for removable media>:\suspendedcompanies.xlsx
<Drive name for removable media>:\fiche_inscription_2015.xls
<Drive name for removable media>:\removedtitles_records.xls
<Drive name for removable media>:\calculatorworksheet.xls
<Drive name for removable media>:\excel_example.xls
<Drive name for removable media>:\1sm_price.xls
<Drive name for removable media>:\productos.xls
<Drive name for removable media>:\passport_pal.wmv
<Drive name for removable media>:\flower_trans_matte.wmv
<Drive name for removable media>:\phytoremediation.rtf
<Drive name for removable media>:\krsweden.rtf
<Drive name for removable media>:\static_electricity_easy_and_quick_activities.rtf
<Drive name for removable media>:\20140114.rdf
<Drive name for removable media>:\sioc.rdf
<Drive name for removable media>:\swc_2009-03-02.rdf
<Drive name for removable media>:\etc6_m_1.mov
<Drive name for removable media>:\calculatorworksheet.zip
<Drive name for removable media>:\dag2_panel1_320_ref.mov
<Drive name for removable media>:\pushkin.jpg
<Drive name for removable media>:\adhd_and_obesity.docx
<Drive name for removable media>:\glidescope_review_rev_010.docx
<Drive name for removable media>:\thlps_keeper_mayer_1965.docx
<Drive name for removable media>:\cveuropeo.doc
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc
<Drive name for removable media>:\hanni_umami_chapter.doc
<Drive name for removable media>:\fi51.doc
<Drive name for removable media>:\ovp25012015.doc
<Drive name for removable media>:\applicantform_en.doc
<Drive name for removable media>:\february_catalogue__2015.doc
<Drive name for removable media>:\issi2013_template_for_posters.docx
<Drive name for removable media>:\contoso.cer
<Drive name for removable media>:\sdksampleunprivdeveloper.cer
<Drive name for removable media>:\testee.cer
<Drive name for removable media>:\contoso_1.cer
<Drive name for removable media>:\tileimage.bmp
<Drive name for removable media>:\dashborder_96.bmp
<Drive name for removable media>:\default.bmp
<Drive name for removable media>:\coffee.bmp
<Drive name for removable media>:\join.avi
<Drive name for removable media>:\split.avi
<Drive name for removable media>:\archer.avi
<Drive name for removable media>:\sdksampleprivdeveloper.cer
<Drive name for removable media>:\aoc_saq_d_v3_merchant.docx
<Drive name for removable media>:\file_p_00000000_1371597592.docx
<Drive name for removable media>:\holycrosschurchinstructions.docx
<Drive name for removable media>:\168.jpg
<Drive name for removable media>:\13.jpg
<Drive name for removable media>:\2.jpg
<Drive name for removable media>:\region-north-karelia.jpg
<Drive name for removable media>:\1189.jpg
<Drive name for removable media>:\parnas_01.jpg
<Drive name for removable media>:\168.jpeg
<Drive name for removable media>:\region-north-karelia.jpeg
<Drive name for removable media>:\3.jpeg
<Drive name for removable media>:\1189.jpeg
<Drive name for removable media>:\parnas_01.jpeg
<Drive name for removable media>:\browse.html
<Drive name for removable media>:\iisstart.htm
<Drive name for removable media>:\trivial-merge.htm
<Drive name for removable media>:\alert.htm
<Drive name for removable media>:\dotnetfx45_full_setup.exe
<Drive name for removable media>:\tcm851ax32.exe
<Drive name for removable media>:\calc.exe
<Drive name for removable media>:\chromesetup.exe
<Drive name for removable media>:\winmine.exe
<Drive name for removable media>:\jre-7u75-windows-i586-iftw.exe
<Drive name for removable media>:\wrar520.exe
<Drive name for removable media>:\utorrent.exe
<Drive name for removable media>:\spanner.mov
<Drive name for removable media>:\excel_example.zip

Malicious functions

To complicate detection of its presence in the operating system,

deletes volume shadow copies.

Modifies file system

Creates the following files

%TEMP%\0dc5e6a4.zeppelin
C:\far2\addons\colors\custom_highlighting\!!! all your files are encrypted !!!.txt
C:\far2\addons\colors\default_highlighting\!!! all your files are encrypted !!!.txt
C:\far2\addons\macros\!!! all your files are encrypted !!!.txt
C:\far2\addons\setup\!!! all your files are encrypted !!!.txt
C:\far2\addons\shell\!!! all your files are encrypted !!!.txt
C:\far2\addons\xlat\!!! all your files are encrypted !!!.txt
C:\far2\documentation\!!! all your files are encrypted !!!.txt
C:\far2\plugins\align\!!! all your files are encrypted !!!.txt
C:\far2\documentation\eng\!!! all your files are encrypted !!!.txt
C:\far2\documentation\rus\!!! all your files are encrypted !!!.txt
C:\far2\encyclopedia\!!! all your files are encrypted !!!.txt
C:\far2\encyclopedia\tap\!!! all your files are encrypted !!!.txt
C:\far2\fexcept\!!! all your files are encrypted !!!.txt
C:\far2\plugins\!!! all your files are encrypted !!!.txt
C:\far2\addons\colors\!!! all your files are encrypted !!!.txt
C:\far2\addons\xlat\russian\!!! all your files are encrypted !!!.txt
C:\far2\addons\!!! all your files are encrypted !!!.txt
D:\$recycle.bin\!!! all your files are encrypted !!!.txt
%APPDATA%\microsoft\windows\services.exe
%TEMP%\edb7477f.zeppelin
%TEMP%\~temp001.bat
D:\$recycle.bin\.zeppelin
D:\$recycle.bin\s-1-5-21-1960123792-2022915161-3775307078-1001\.zeppelin
D:\!!! all your files are encrypted !!!.txt
D:\$recycle.bin\s-1-5-21-1960123792-2022915161-3775307078-1001\!!! all your files are encrypted !!!.txt
C:\documents and settings\!!! all your files are encrypted !!!.txt
C:\$recycle.bin\.zeppelin
C:\$recycle.bin\s-1-5-21-1960123792-2022915161-3775307078-1001\.zeppelin
C:\far2\.zeppelin
C:\!!! all your files are encrypted !!!.txt
C:\$recycle.bin\!!! all your files are encrypted !!!.txt
C:\$recycle.bin\s-1-5-21-1960123792-2022915161-3775307078-1001\!!! all your files are encrypted !!!.txt
C:\far2\!!! all your files are encrypted !!!.txt
C:\far2\plugins\arclite\!!! all your files are encrypted !!!.txt

Deletes the following files

%TEMP%\0dc5e6a4.zeppelin
%TEMP%\edb7477f.zeppelin

Modifies the following files

<Drive name for removable media>:\archer.avi
C:\far2\farcze.lng
C:\far2\far.map
C:\far2\changelog_eng
C:\far2\changelog
<Drive name for removable media>:\iso27k_isms_implementation_and_certification_process_overview_v2.pptx
<Drive name for removable media>:\hypothyroidism_slides.pptx
<Drive name for removable media>:\middaugh_keynote.pptx
<Drive name for removable media>:\gruenspecht_02172016.pptx
<Drive name for removable media>:\stoc13_ml_quoc_le.pptx
<Drive name for removable media>:\cveuropeo.doc
<Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc
<Drive name for removable media>:\hanni_umami_chapter.doc
<Drive name for removable media>:\fi51.doc
<Drive name for removable media>:\ovp25012015.doc
<Drive name for removable media>:\applicantform_en.doc
<Drive name for removable media>:\february_catalogue__2015.doc
<Drive name for removable media>:\contoso.cer
<Drive name for removable media>:\sdksampleprivdeveloper.cer
<Drive name for removable media>:\sdksampleunprivdeveloper.cer
<Drive name for removable media>:\testee.cer
<Drive name for removable media>:\contoso_1.cer
<Drive name for removable media>:\tileimage.bmp
<Drive name for removable media>:\dashborder_96.bmp
<Drive name for removable media>:\default.bmp
<Drive name for removable media>:\coffee.bmp
<Drive name for removable media>:\join.avi
<Drive name for removable media>:\split.avi
C:\far2\fareng.hlf
C:\far2\fareng.lng

Modifies multiple files.

Modifies user data files (Trojan.Encoder).

Network activity

Connects to

'ge###tool.com':80
'ge###tool.com':443
'microsoft.com':80
'ip###ger.org':80
'ip###ger.org':443
'oc##.#ectigo.com':80

TCP

Other

'ge###tool.com':443
'ip###ger.org':443

UDP

DNS ASK ge###tool.com
DNS ASK ge###tatool.com
DNS ASK microsoft.com
DNS ASK ip###ger.org
DNS ASK oc##.#ectigo.com

Miscellaneous

Creates and executes the following

'%APPDATA%\microsoft\windows\services.exe' -start
'%APPDATA%\microsoft\windows\services.exe' -agent 0
'%APPDATA%\microsoft\windows\services.exe' -agent 1
'%APPDATA%\microsoft\windows\services.exe' -agent 2
'%WINDIR%\syswow64\cmd.exe' /C wmic shadowcopy delete' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C bcdedit /set {default} recoveryenabled no' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C bcdedit /set {default} bootstatuspolicy ignoreallfailures' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C wbadmin delete catalog -quiet' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C vssadmin delete shadows /all /quiet' (with hidden window)
'%WINDIR%\syswow64\cmd.exe' /C %TEMP%\~temp001.bat' (with hidden window)

Executes the following

'%WINDIR%\syswow64\cmd.exe' /C wmic shadowcopy delete
'%WINDIR%\syswow64\cmd.exe' /C bcdedit /set {default} recoveryenabled no
'%WINDIR%\syswow64\cmd.exe' /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
'%WINDIR%\syswow64\cmd.exe' /C wbadmin delete catalog -quiet
'%WINDIR%\syswow64\cmd.exe' /C vssadmin delete shadows /all /quiet
'%WINDIR%\syswow64\cmd.exe' /C %TEMP%\~temp001.bat

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