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Trojan.Encoder.34214
Added to the Dr.Web virus database:
2021-08-04
Virus description added:
2021-08-06
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
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
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
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