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Profil

Win32.HLLW.Autoruner.51968

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] 'Windows Firewall' = '"%TEMP%\lsass.exe"'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Firewall' = '"%TEMP%\lsass.exe"'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\TTHDHGC\DFG-2352-66235-2352322-634621321-6662355\364855.exe
  • <Drive name for removable media>:\TTHDHGC\DFG-2352-66235-2352322-634621321-6662355\Desktop.ini
Malicious functions:
Searches for windows to
detect analytical utilities:
  • ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
  • ClassName: 'RegMonClass' WindowName: ''
  • ClassName: 'FileMonClass' WindowName: ''
Modifies file system :
Creates the following files:
  • %ALLUSERSPROFILE%\Application Data\TEMP:663565B1
  • %TEMP%\lsass.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\TTHDHGC\DFG-2352-66235-2352322-634621321-6662355\364855.exe
  • %TEMP%\lsass.exe
Network activity:
Connects to:
  • 'co####x.no-ip.org':65000
UDP:
  • DNS ASK co####x.no-ip.org
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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