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Profil

Win32.HLLW.Autoruner.51970

Added to the Dr.Web virus database: 2011-06-17

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'nod32update' = '<SYSTEM32>\nod32krn.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\RECYCLER\NOD32_Update.exe
Malicious functions:
Executes the following:
  • <SYSTEM32>\ntvdm.exe -f -i4
  • <SYSTEM32>\ntvdm.exe -f -i3
  • <SYSTEM32>\ntvdm.exe -f -i6
  • <SYSTEM32>\ntvdm.exe -f -i5
  • <SYSTEM32>\taskkill.exe /IM sslmsc.exe /F
  • <SYSTEM32>\regsvr32.exe <SYSTEM32>\mfncom.dll /s
  • <SYSTEM32>\taskkill.exe /IM winlogger.exe /F
  • <SYSTEM32>\ntvdm.exe -f -i2
  • <SYSTEM32>\ntvdm.exe -f -i1
Hides the following processes:
  • <SYSTEM32>\nod32krn.exe
Modifies file system :
Creates the following files:
  • %WINDIR%\Temp\scs7.tmp
  • %WINDIR%\Temp\scs8.tmp
  • %WINDIR%\Temp\scs9.tmp
  • %WINDIR%\Temp\scs5.tmp
  • <SYSTEM32>\nod32krn.exe
  • %WINDIR%\Temp\scs6.tmp
  • %TEMP%\24315.60754776.tmp
  • C:\RECYCLER\NOD32_Update.exe
  • C:\autorun.inf
  • %WINDIR%\Temp\scsA.tmp
  • %WINDIR%\Temp\scsB.tmp
  • %WINDIR%\Temp\scsC.tmp
  • %WINDIR%\Temp\scs4.tmp
  • <SYSTEM32>\mfncom.dll
  • <SYSTEM32>\mfnhks32.dll
  • <SYSTEM32>\mfnsp32.dll
  • %TEMP%\28371.3936805725.tmp
  • %TEMP%\csrss.exe
  • %TEMP%\71877.2530555725.tmp
  • %WINDIR%\Temp\scs1.tmp
  • %WINDIR%\Temp\scs2.tmp
  • %WINDIR%\Temp\scs3.tmp
  • <SYSTEM32>\mfnspinst32.exe
  • <SYSTEM32>\mfnsvc.exe
  • <SYSTEM32>\sslmsc.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\RECYCLER\NOD32_Update.exe
  • C:\RECYCLER\NOD32_Update.exe
Deletes the following files:
  • %WINDIR%\Temp\scs7.tmp
  • %WINDIR%\Temp\scsB.tmp
  • %WINDIR%\Temp\scs5.tmp
  • %WINDIR%\Temp\scs8.tmp
  • C:\RECYCLER\NOD32_Update.exe
  • <Drive name for removable media>:\RECYCLER\NOD32_Update.exe
  • %WINDIR%\Temp\scsA.tmp
  • %WINDIR%\Temp\scsC.tmp
  • %WINDIR%\Temp\scs2.tmp
  • %WINDIR%\Temp\scs4.tmp
  • %TEMP%\csrss.exe
  • <SYSTEM32>\nod32krn.exe
  • %WINDIR%\Temp\scs6.tmp
  • %WINDIR%\Temp\scs9.tmp
  • %WINDIR%\Temp\scs1.tmp
  • %WINDIR%\Temp\scs3.tmp
Network activity:
Connects to:
  • 'www.dd##do1.com':80
TCP:
HTTP POST requests:
  • www.dd##do1.com/ecb.php?cb############################
UDP:
  • DNS ASK www.dd##do1.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b78.b7c.3f0009'
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b6c.b74.3e0008'
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-bc4.bc8.42000c'
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b98.b9c.40000a'
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b2c.b30.3b0005'
  • ClassName: 'Shell_traywnd' WindowName: ''
  • ClassName: '' WindowName: ''
  • ClassName: 'ConsoleWindowClass' WindowName: 'ntvdm-b34.b38.3c0006'

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