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Trojan.Encoder.16223

Added to the Dr.Web virus database: 2017-11-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Adolf Hitler' = '<Full path to file>'
Creates or modifies the following files:
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\desktop.ini
Creates the following files on removable media:
  • <Drive name for removable media>:\_Adolf Hitler_.bmp
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
  • User Account Control (UAC)
deletes volume shadow copies.
Executes the following:
  • '<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen %HOMEPATH%\Desktop\_Adolf Hitler_.bmp
  • '<SYSTEM32>\cmd.exe' /c vssadmin delete shadow /all /quiet & wmic shadowcopy delete & bcdedit /set {default} boostatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -q...
Modifies file system:
Creates the following files:
  • %TEMP%\tmp1.tmp
  • %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-2052111302-484763869-725345543-1003\ec702f375e1b12d218f67ab9ef19ca23_23ef5514-3059-436f-a4a7-4cefaab20eb1
  • %TEMP%\tmp2.tmp
  • <SYSTEM32>\wbem\AutoRecover\23BDE61F1F4FACE17E9B0C01F2A1FD9B.mof
  • %TEMP%\tmp3.tmp
  • %HOMEPATH%\Desktop\_Adolf Hitler_.bmp
  • C:\_Adolf Hitler_.bmp
  • %TEMP%\_Adolf Hitler_.mp3
  • %APPDATA%\Microsoft\Protect\CREDHIST
  • %WINDIR%\ЧАГж±іѕ°НјЖ¬.bmp
Sets the 'hidden' attribute to the following files:
  • <Full path to file>
Deletes the following files:
  • %TEMP%\tmp3.tmp
  • %TEMP%\tmp2.tmp
  • %TEMP%\tmp1.tmp
Moves the following files:
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\places.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\places.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\permissions.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\permissions.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\pluginreg.dat to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\pluginreg.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\search.json to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\search.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\prefs.js to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\prefs.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\formhistory.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\formhistory.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions.ini to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\extensions.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\key3.db to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\key3.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\mimeTypes.rdf to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\mimeTypes.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\localstore.rdf to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\localstore.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\chrome\userContent-example.css to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\chrome\userContent-example.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\chrome\userChrome-example.css to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\chrome\userChrome-example.0FABFBFF000306E4.AdolfHitler
  • from %HOMEPATH%\Desktop\_Adolf Hitler_.bmp to %HOMEPATH%\Desktop\_Adolf Hitler_.0FABFBFF000306E4.AdolfHitler
  • from %HOMEPATH%\Recent\_Adolf Hitler_.lnk to %HOMEPATH%\Recent\_Adolf Hitler_.0FABFBFF000306E4.AdolfHitler
  • from %HOMEPATH%\Local Settings\<INETFILES>\Content.IE5\KHMHGZ4F\baidu[1] to %HOMEPATH%\Local Settings\<INETFILES>\Content.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\sessionstore.bak to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\sessionstore.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\secmod.db to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\secmod.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\signons.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\signons.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\bookmarkbackups\bookmarks-2011-11-10.json to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\bookmarkbackups\bookmarks-2011-11-10.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\webappsstore.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\webappsstore.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Internet Explorer\Quick Launch\desktop.ini to %APPDATA%\Microsoft\Internet Explorer\Quick Launch\desktop.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Internet Explorer\Desktop.htt to %APPDATA%\Microsoft\Internet Explorer\Desktop.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Launch Internet Explorer Browser.lnk to %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Launch Internet Explorer Browser.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Windows Media Player.lnk to %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Windows Media Player.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Show Desktop.scf to %APPDATA%\Microsoft\Internet Explorer\Quick Launch\Show Desktop.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\desktop.ini to %APPDATA%\desktop.0FABFBFF000306E4.AdolfHitler
  • from C:\_Adolf Hitler_.bmp to C:\_Adolf Hitler_.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\winscp.rnd to %APPDATA%\winscp.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Internet Explorer\brndlog.bak to %APPDATA%\Microsoft\Internet Explorer\brndlog.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Address Book\%USERNAME%.wab to %APPDATA%\Microsoft\Address Book\%USERNAME%.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\compatibility.ini to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\compatibility.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\chromeappsstore.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\chromeappsstore.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\content-prefs.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\content-prefs.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\downloads.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\downloads.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\cookies.sqlite to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\cookies.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Windows\Themes\Custom.theme to %APPDATA%\Microsoft\Windows\Themes\Custom.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Microsoft\Media Player\0007F0B7.wpl to %APPDATA%\Microsoft\Media Player\0007F0B7.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\profiles.ini to %APPDATA%\Mozilla\Firefox\profiles.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\cert8.db to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\cert8.0FABFBFF000306E4.AdolfHitler
  • from %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\bookmarks.html to %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\bookmarks.0FABFBFF000306E4.AdolfHitler
Substitutes the following files:
  • <Current directory>\0FABFBFF000306E4.AdolfHitler
Moves itself:
  • from <Full path to file> to <Current directory>\<File name>.0FABFBFF000306E4.AdolfHitler
Modifies user data files (Trojan.Encoder).
Network activity:
Connects to:
  • '12#.#25.114.144':80
TCP:
HTTP GET requests:
  • http://www.ba##u.com/ via 12#.#25.114.144
UDP:
  • DNS ASK www.ba##u.com
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: 'ИООс№ЬАнЖч.exe'
  • ClassName: 'ShImgVw:CPreviewWnd' WindowName: ''
  • ClassName: '' WindowName: 'taskmgr.exe'
  • ClassName: '' WindowName: '??????????.exe'

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.
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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