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Win32.HLLW.Autoruner.56392

Added to the Dr.Web virus database: 2011-08-15

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{9D71D88C-C598-4935-C5D1-43AA4DB90836}] 'stubpath' = ''
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\WGHXWco.exe
Malicious functions:
Executes the following:
  • <SYSTEM32>\taskkill.exe /F /IM Avira.exe
  • <SYSTEM32>\taskkill.exe /F /IM .exe
  • <SYSTEM32>\taskkill.exe /F /IM cports.exe
  • <SYSTEM32>\taskkill.exe /F /IM procexp.exe
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
the following user processes:
  • msnmsgr.exe
Modifies file system :
Creates the following files:
  • <SYSTEM32>\spl\spol.exe
  • C:\autorun.inf
  • C:\WGHXWco.exe
Sets the 'hidden' attribute to the following files:
  • <SYSTEM32>\spl\spol.exe
  • <Drive name for removable media>:\WGHXWco.exe
  • C:\WGHXWco.exe
Network activity:
Connects to:
  • 'i4#.#o-ip.biz':82
UDP:
  • DNS ASK i4#.#o-ip.biz
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: ''