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Profil

Win32.HLLW.Autoruner.51961

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:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Svchost.exe' = '%APPDATA%\Microsoft\Svchost.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Svchost.exe
Malicious functions:
Creates and executes the following:
  • %APPDATA%\Microsoft\Svchost.exe 
  • %HOMEPATH%\Templates\wsFVWrtDaIlBhnH.exe.exe 
Modifies file system :
Creates the following files:
  • %APPDATA%\Microsoft\Svchost.exe
  • %HOMEPATH%\Templates\wsFVWrtDaIlBhnH.exe.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Svchost.exe
  • %APPDATA%\Microsoft\Svchost.exe
Deletes the following files:
  • %APPDATA%\Microsoft\Svchost.exe
Network activity:
Connects to:
  • 'xl#.#o-ip.info':3174
UDP:
  • DNS ASK xl#.#o-ip.info
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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