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Profil

BackDoor.Pigeon.55212

Added to the Dr.Web virus database: 2012-09-13

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\Windows File Server] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • %WINDIR%\wfs.exe
Executes the following:
  • <SYSTEM32>\dumprep.exe 3224 -dm 7 7 %TEMP%\WERdff6.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3160 -dm 7 7 %TEMP%\WERb40c.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3284 -dm 7 7 %TEMP%\WERf097.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3336 -dm 7 7 %TEMP%\WER2907.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3284 -dm 7 7 %TEMP%\WERf097.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3052 -dm 7 7 %TEMP%\WER54c4.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3116 -dm 7 7 %TEMP%\WER8558.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3116 -dm 7 7 %TEMP%\WER8558.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3224 -dm 7 7 %TEMP%\WERdff6.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3160 -dm 7 7 %TEMP%\WERb40c.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3336 -dm 7 7 %TEMP%\WER2907.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3496 -dm 7 7 %TEMP%\WER94e6.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3556 -dm 7 7 %TEMP%\WERddb8.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3588 -dm 7 7 %TEMP%\WERfea2.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3720 -dm 7 7 %TEMP%\WER4c64.dir00\mmc.exe.mdmp 16325836412027080
  • <SYSTEM32>\dumprep.exe 3588 -dm 7 7 %TEMP%\WERfea2.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3448 -dm 7 7 %TEMP%\WER8842.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3404 -dm 7 7 %TEMP%\WER454e.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3404 -dm 7 7 %TEMP%\WER454e.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3448 -dm 7 7 %TEMP%\WER8842.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 3496 -dm 7 7 %TEMP%\WER94e6.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 2988 -dm 7 7 %TEMP%\WER317b.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 2676 -dm 7 7 %TEMP%\WER162c.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 2676 -dm 7 7 %TEMP%\WER162c.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 2748 -dm 7 7 %TEMP%\WER4c7f.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 2804 -dm 7 7 %TEMP%\WER668f.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 2748 -dm 7 7 %TEMP%\WER4c7f.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\cmd.exe /c %WINDIR%\SxingDel.bat
  • <SYSTEM32>\mmc.exe
  • <SYSTEM32>\dumprep.exe 2532 -dm 7 7 %TEMP%\WEReb2d.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\rundll32.exe <SYSTEM32>\sysdm.cpl,NoExecuteProcessException <SYSTEM32>\mmc.exe
  • <SYSTEM32>\dumprep.exe 2532 -dm 7 7 %TEMP%\WEReb2d.dir00\mmc.exe.hdmp 16325836412027092
  • <SYSTEM32>\dumprep.exe 2804 -dm 7 7 %TEMP%\WER668f.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 2916 -dm 7 7 %TEMP%\WERe77f.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 2956 -dm 7 7 %TEMP%\WER2ba7.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 2988 -dm 7 7 %TEMP%\WER317b.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 3052 -dm 7 7 %TEMP%\WER54c4.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 2956 -dm 7 7 %TEMP%\WER2ba7.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 2880 -dm 7 7 %TEMP%\WERca12.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 2856 -dm 7 7 %TEMP%\WER9865.dir00\mmc.exe.mdmp 16325836412027072
  • <SYSTEM32>\dumprep.exe 2856 -dm 7 7 %TEMP%\WER9865.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 2880 -dm 7 7 %TEMP%\WERca12.dir00\mmc.exe.hdmp 16325836412027084
  • <SYSTEM32>\dumprep.exe 2916 -dm 7 7 %TEMP%\WERe77f.dir00\mmc.exe.mdmp 16325836412027072
Injects code into
the following system processes:
  • <SYSTEM32>\mmc.exe
Modifies file system :
Creates the following files:
  • %TEMP%\WERb40c.dir00\appcompat.txt
  • %TEMP%\WERb40c.dir00\manifest.txt
  • %TEMP%\WERf097.dir00\mmc.exe.mdmp
  • %TEMP%\WERb40c.dir00\mmc.exe.hdmp
  • %TEMP%\WERdff6.dir00\mmc.exe.hdmp
  • %TEMP%\WER2907.dir00\mmc.exe.mdmp
  • %TEMP%\WERf097.dir00\appcompat.txt
  • %TEMP%\WERf097.dir00\mmc.exe.hdmp
  • %TEMP%\WERdff6.dir00\appcompat.txt
  • %TEMP%\WERdff6.dir00\manifest.txt
  • %TEMP%\WER54c4.dir00\appcompat.txt
  • %TEMP%\WER8558.dir00\mmc.exe.hdmp
  • %TEMP%\WER54c4.dir00\mmc.exe.hdmp
  • %TEMP%\WER2ba7.dir00\manifest.txt
  • %TEMP%\WER317b.dir00\manifest.txt
  • %TEMP%\WER8558.dir00\appcompat.txt
  • %TEMP%\WER8558.dir00\manifest.txt
  • %TEMP%\WERdff6.dir00\mmc.exe.mdmp
  • %TEMP%\WERb40c.dir00\mmc.exe.mdmp
  • %TEMP%\WER54c4.dir00\manifest.txt
  • %TEMP%\WERf097.dir00\manifest.txt
  • %TEMP%\WERfea2.dir00\mmc.exe.mdmp
  • %TEMP%\WER94e6.dir00\mmc.exe.hdmp
  • %TEMP%\WER8842.dir00\manifest.txt
  • %TEMP%\WER8842.dir00\appcompat.txt
  • %TEMP%\WERddb8.dir00\mmc.exe.mdmp
  • %TEMP%\WERfea2.dir00\appcompat.txt
  • %TEMP%\WERfea2.dir00\manifest.txt
  • %TEMP%\WERfea2.dir00\mmc.exe.hdmp
  • %TEMP%\WER94e6.dir00\appcompat.txt
  • %TEMP%\WER94e6.dir00\manifest.txt
  • %TEMP%\WER8842.dir00\mmc.exe.mdmp
  • %TEMP%\WER2907.dir00\manifest.txt
  • %TEMP%\WER2907.dir00\appcompat.txt
  • %TEMP%\WER2907.dir00\mmc.exe.hdmp
  • %TEMP%\WER454e.dir00\mmc.exe.mdmp
  • %TEMP%\WER454e.dir00\appcompat.txt
  • %TEMP%\WER454e.dir00\manifest.txt
  • %TEMP%\WER8842.dir00\mmc.exe.hdmp
  • %TEMP%\WER454e.dir00\mmc.exe.hdmp
  • %TEMP%\WER94e6.dir00\mmc.exe.mdmp
  • %TEMP%\WER4c7f.dir00\mmc.exe.mdmp
  • %TEMP%\WER4c7f.dir00\mmc.exe.hdmp
  • %TEMP%\WER162c.dir00\manifest.txt
  • %TEMP%\WER162c.dir00\mmc.exe.hdmp
  • %TEMP%\WER162c.dir00\appcompat.txt
  • %TEMP%\WER668f.dir00\mmc.exe.hdmp
  • %TEMP%\WER668f.dir00\appcompat.txt
  • %TEMP%\WER668f.dir00\mmc.exe.mdmp
  • %TEMP%\WER4c7f.dir00\appcompat.txt
  • %TEMP%\WER4c7f.dir00\manifest.txt
  • <SYSTEM32>\_wfs.exe
  • %WINDIR%\SxingDel.bat
  • C:\wfs.exe
  • %WINDIR%\wfs.exe
  • C:\AutoRun.inf
  • %TEMP%\WEReb2d.dir00\manifest.txt
  • %TEMP%\WER162c.dir00\mmc.exe.mdmp
  • %TEMP%\WEReb2d.dir00\appcompat.txt
  • %TEMP%\WEReb2d.dir00\mmc.exe.mdmp
  • %TEMP%\WEReb2d.dir00\mmc.exe.hdmp
  • %TEMP%\WER668f.dir00\manifest.txt
  • %TEMP%\WER2ba7.dir00\mmc.exe.hdmp
  • %TEMP%\WERca12.dir00\manifest.txt
  • %TEMP%\WERca12.dir00\appcompat.txt
  • %TEMP%\WERe77f.dir00\manifest.txt
  • %TEMP%\WER317b.dir00\mmc.exe.mdmp
  • %TEMP%\WER317b.dir00\appcompat.txt
  • %TEMP%\WER2ba7.dir00\appcompat.txt
  • %TEMP%\WER8558.dir00\mmc.exe.mdmp
  • %TEMP%\WER54c4.dir00\mmc.exe.mdmp
  • %TEMP%\WER317b.dir00\mmc.exe.hdmp
  • %TEMP%\WERe77f.dir00\mmc.exe.mdmp
  • %TEMP%\WER9865.dir00\appcompat.txt
  • %TEMP%\WER9865.dir00\mmc.exe.hdmp
  • %TEMP%\WER9865.dir00\mmc.exe.mdmp
  • %TEMP%\WERca12.dir00\mmc.exe.mdmp
  • %TEMP%\WERe77f.dir00\mmc.exe.hdmp
  • %TEMP%\WERe77f.dir00\appcompat.txt
  • %TEMP%\WER2ba7.dir00\mmc.exe.mdmp
  • %TEMP%\WERca12.dir00\mmc.exe.hdmp
  • %TEMP%\WER9865.dir00\manifest.txt
Sets the 'hidden' attribute to the following files:
  • C:\wfs.exe
  • <SYSTEM32>\_wfs.exe
  • %WINDIR%\wfs.exe
  • C:\AutoRun.inf
Deletes the following files:
  • %TEMP%\WER94e6.dir00\appcompat.txt
  • %TEMP%\WER94e6.dir00\manifest.txt
  • %TEMP%\WER94e6.dir00\mmc.exe.hdmp
  • %TEMP%\WER94e6.dir00\mmc.exe.mdmp
  • %TEMP%\WER8842.dir00\appcompat.txt
  • %TEMP%\WER8842.dir00\manifest.txt
  • %TEMP%\WER8842.dir00\mmc.exe.hdmp
  • %TEMP%\WER8842.dir00\mmc.exe.mdmp
Deletes itself.
Network activity:
Connects to:
  • 'qq##.vicp.net':200
UDP:
  • DNS ASK qq##.vicp.net
Miscellaneous:
Searches for the following windows:
  • ClassName: 'TReserver0919' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'MS_WINHELP' WindowName: ''

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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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.

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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