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Win32.HLLW.Autoruner.56390

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

Virus description added:

Technical Information

To ensure autorun and distribution:
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
Modifies file system :
Creates the following files:
  • %PROGRAM_FILES%\Bifrost\server.exe
  • C:\autorun.inf
  • C:\WGHXWco.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\WGHXWco.exe
  • C:\WGHXWco.exe
Network activity:
Connects to:
  • 'h1###.zapto.org':81
UDP:
  • DNS ASK h1###.zapto.org
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: ''

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