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Win32.HLLW.Autoruner.37980

Added to the Dr.Web virus database: 2011-06-09

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'gfewbd8' = 'C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-8812\dgfew8.exe'
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe,C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-8812\dgfew8.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Taskman' = 'C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-8812\dgfew8.exe'
Malicious functions:
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-8812\Desktop.ini
  • C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-8812\dgfew8.exe
Sets the 'hidden' attribute to the following files:
  • C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-8812\dgfew8.exe
Network activity:
Connects to:
  • 'us#.#efgame.com':8800
UDP:
  • DNS ASK us#.#efgame.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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