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Profil

Win32.HLLW.Autoruner.51932

Added to the Dr.Web virus database: 2011-06-16

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SvrWsc' = ''
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SvrWsc] 'Start' = '00000002'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\TGPYRN\GVFFIK.exe
Malicious functions:
Creates and executes the following:
  • <SYSTEM32>\svrwsc.exe 
Injects code into
the following system processes:
  • <SYSTEM32>\svchost.exe
  • %WINDIR%\Explorer.EXE
  • <SYSTEM32>\winlogon.exe
  • <SYSTEM32>\services.exe
the following user processes:
  • iexplore.exe
  • firefox.exe
Modifies file system :
Creates the following files:
  • <SYSTEM32>\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\wpad[1].dat
  • %TEMP%\LowFD59.tmp.bat
  • <SYSTEM32>\svrwsc.exe
Deletes itself.
Network activity:
Connects to:
  • 'wpad.localdomain':80
  • 'ms###emicro.ru':80
TCP:
HTTP GET requests:
  • wpad.localdomain/wpad.dat
HTTP POST requests:
  • ms###emicro.ru/point/forum/index.php
UDP:
  • DNS ASK wpad.localdomain
  • DNS ASK ms###emicro.ru
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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