JavaScript support is required for our site to be fully operational in your browser.
Trojan.Encoder.35208
Added to the Dr.Web virus database:
2022-04-13
Virus description added:
2022-04-15
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKLM>\Software\Classes\.com] '' = 'txtfile'
[<HKLM>\Software\Classes\.bat] '' = 'txtfile'
[<HKLM>\Software\Classes\.cmd] '' = 'txtfile'
Sets the following service settings
[<HKLM>\System\CurrentControlSet\Services\IKEEXT] 'Start' = '00000002'
Modifies master boot record (MBR).
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
Registry Editor (RegEdit)
blocks the following features:
deletes volume shadow copies.
Executes the following
'<SYSTEM32>\netsh.exe' firewall set opmode mode = disable
Injects code into
the following system processes:
Sets a new unauthorized home page for Windows Internet Explorer.
Modifies file system
Sets the 'hidden' attribute to the following files
Modifies the following files
D:\install.log
C:\far2\addons\shell\farhere.inf
C:\far2\addons\shell\descript.ion
C:\far2\addons\setup\descript.ion
C:\far2\addons\readme.txt
C:\far2\addons\macros\descript.ion
C:\far2\addons\descript.ion
C:\far2\addons\colors\import_colors.bat
C:\far2\addons\colors\export_colors.bat
C:\far2\addons\colors\descript.ion
C:\far2\addons\colors\default_highlighting\import_colors.bat
<Drive name for removable media>:\stoc13_ml_quoc_le.pptx
<Drive name for removable media>:\hypothyroidism_slides.pptx
C:\far2\addons\colors\default_highlighting\descript.ion
%HOMEPATH%\desktop\total commander 64 bit.lnk
%HOMEPATH%\desktop\telegram.lnk
C:\far2\addons\colors\custom_highlighting\import_colors.bat
%HOMEPATH%\desktop\qip 2012.lnk
%HOMEPATH%\desktop\mail.ru agent.lnk
C:\far2\addons\colors\custom_highlighting\descript.ion
%HOMEPATH%\desktop\icq.lnk
%HOMEPATH%\desktop\desktop.ini
<Drive name for removable media>:\split.avi
%HOMEPATH%\desktop\adadsi.html
%HOMEPATH%\desktop\about.htm
%HOMEPATH%\desktop\64bit_notes.htm
%HOMEPATH%\desktop\168.jpeg
<Drive name for removable media>:\delete.avi
C:\far2\addons\xlat\descript.ion
C:\far2\addons\xlat\russian\descript.ion
Modifies multiple files.
Modifies user data files (Trojan.Encoder).
Miscellaneous
Executes the following
'<SYSTEM32>\cmd.exe' /c SC Delete DcomLaunch
'<SYSTEM32>\cmd.exe' /c netsh advfirewall set currentprofile state off
'<SYSTEM32>\cmd.exe' /c assoc .inf=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .bin=txtfile
'<SYSTEM32>\vds.exe'
'<SYSTEM32>\cmd.exe' /c assoc .efi=txtfile
'<SYSTEM32>\wbengine.exe'
'<SYSTEM32>\cmd.exe' /c assoc .gho=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .bat=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .reg=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .com=txtfile
'<SYSTEM32>\cmd.exe' /c wbadmin delete catalog -quiet
'<SYSTEM32>\reg.exe' Delete HKEY_CLASSES_ROOTDriveshell /f
'<SYSTEM32>\cmd.exe' /c assoc .html=exefile
'<SYSTEM32>\cmd.exe' /c reg Delete HKEY_CLASSES_ROOTDriveshell /f
'<SYSTEM32>\wbadmin.exe' delete catalog -quiet
'<SYSTEM32>\netsh.exe' advfirewall set currentprofile state off
'<SYSTEM32>\cmd.exe' /c assoc .rar=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .zip=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .jpe=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .jpeg=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .png=txtfile
'<SYSTEM32>\cmd.exe' /c vssadmin.exedelete shadows /all /quiet
'<SYSTEM32>\cmd.exe' /c assoc .ico=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .gif=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .bmp=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .cmd=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .ppt=txtfile
'<SYSTEM32>\bcdedit.exe' / set nointegritychecks on
'<SYSTEM32>\cmd.exe' /c assoc .doc=exefile
'<SYSTEM32>\cmd.exe' /c bcdedit.exe / set nointegritychecks on
'<SYSTEM32>\cmd.exe' /c assoc .jpg=txtfile
'<SYSTEM32>\cmd.exe' /c assoc .chm=txtfile
'<SYSTEM32>\cmd.exe' /c netsh firewall set opmode mode = disable
'<SYSTEM32>\cmd.exe' /c assoc .htm=exefile
'<SYSTEM32>\cmd.exe' /c assoc .jfif=txtfile
'<SYSTEM32>\reg.exe' add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoWinKeys /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFolderOptions /t REG_DWORD /d 1 /f
'<SYSTEM32>\cmd.exe' /c reg add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v HideClock /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' Delete HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSafeBoot /f
'<SYSTEM32>\cmd.exe' /c SC Delete SystemEventsBroker
'<SYSTEM32>\reg.exe' add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoClose /t REG_DWORD /d 1 /f
'<SYSTEM32>\sc.exe' Delete Sense
'<SYSTEM32>\cmd.exe' /c reg Delete HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSafeBoot /f
'<SYSTEM32>\cmd.exe' /c reg Delete HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon /f
'<SYSTEM32>\cmd.exe' /c reg add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoClose /t REG_DWORD /d 1 /f
'<SYSTEM32>\cmd.exe' /c SC Delete Sense
'<SYSTEM32>\sc.exe' Delete DcomLaunch
'<SYSTEM32>\cmd.exe' /c bcdedit / set{current} recoveryenabled No
'<SYSTEM32>\bcdedit.exe' / set{default} bootstatuspolicy ignoreallfailures
'<SYSTEM32>\cmd.exe' /c bcdedit / set{default} bootstatuspolicy ignoreallfailures
'<SYSTEM32>\cmd.exe' /c reg delete HKEY_CURRENT_USER/Software/Microsoft/Internet/Explorer/MenuExt
'<SYSTEM32>\reg.exe' delete HKEY_CURRENT_USER/Software/Microsoft/Internet/Explorer/MenuExt
'<SYSTEM32>\sc.exe' Delete SystemEventsBroker
'<SYSTEM32>\cmd.exe' /c SC Delete RpcSs
'<SYSTEM32>\reg.exe' add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v HideClock /t REG_DWORD /d 1 /f
'<SYSTEM32>\cmd.exe' /c reg add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoFolderOptions /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoViewContextMenu /t REG_DWORD /d 0 /f
'<SYSTEM32>\cmd.exe' /c reg add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoViewContextMenu /t REG_DWORD /d 0 /f
'<SYSTEM32>\reg.exe' add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoDesktop /t REG_DWORD /d 1 /f
'<SYSTEM32>\cmd.exe' /c wmic shadowcopy delete
'<SYSTEM32>\cmd.exe' /c reg add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoDesktop /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoWindowsUpdate /t REG_DWORD /d 01000000 /f
'<SYSTEM32>\cmd.exe' /c reg add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoWindowsUpdate /t REG_DWORD /d 01000000 /f
'<SYSTEM32>\reg.exe' Delete HKEY_LOCAL_MACHINESOFTWAREWOW6432NodeMicrosoftWindows NTCurrentVersionWinlogon /f
'<SYSTEM32>\reg.exe' add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v StartMenuLogOff /t REG_DWORD /d 1 /f
'<SYSTEM32>\cmd.exe' /c vssadmin delete shadows /all /quiet
'<SYSTEM32>\sc.exe' Delete RpcSs
'<SYSTEM32>\cmd.exe' /c reg Delete HKEY_LOCAL_MACHINESOFTWAREWOW6432NodeMicrosoftWindows NTCurrentVersionWinlogon /f
'<SYSTEM32>\cmd.exe' /c reg add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v StartMenuLogOff /t REG_DWORD /d 1 /f
'<SYSTEM32>\reg.exe' Delete HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon /f
'<SYSTEM32>\cmd.exe' /c reg add HKEY_CURRENT_USER\SOFTWARW\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoWinKeys /t REG_DWORD /d 1 /f
'<SYSTEM32>\cmd.exe' /c assoc .fla=txtfile
Curing recommendations
Windows
macOS
Linux
Android
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 .
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.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
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.
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
欢迎下载 Dr.Web for Android
免费3个月
可使用所有保护组件
可在AppGallery/Google Pay延期
继续使用此网站意味着您同意我们使用Cookie文件和其他用于收集网站访问统计信息的技术手段。详细信息
OK