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Win32.HLLW.Facebook.1654

Added to the Dr.Web virus database: 2012-09-21

Virus description added:

Technical Information

Malicious functions:
Creates and executes the following:
  • %WINDIR%\nl13.exe
Executes the following:
  • %WINDIR%\regedit.exe /s c:\2.reg
  • <SYSTEM32>\cmd.exe /c c:\353454543.bat
Modifies file system :
Creates the following files:
  • %WINDIR%\nlmark2.dat
  • C:\2.reg
  • %WINDIR%\nl13.exe
  • C:\353454543.bat
Sets the 'hidden' attribute to the following files:
  • %WINDIR%\nlmark2.dat
  • %WINDIR%\nl13.exe
Deletes the following files:
  • C:\2.reg
Deletes itself.
Network activity:
Connects to:
  • '74.##5.232.51':80
TCP:
HTTP GET requests:
  • 74.##5.232.51/
UDP:
  • DNS ASK www.google.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'RegEdit_RegEdit' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: '' WindowName: ''