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Win32.HLLW.Facebook.133

Added to the Dr.Web virus database: 2013-04-28

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sysldtray' = '%WINDIR%\ld12.exe'
Malicious functions:
Creates and executes the following:
  • '%WINDIR%\ld12.exe'
Executes the following:
  • '<SYSTEM32>\cmd.exe' /c %WINDIR%\567788.bat
Modifies file system :
Creates the following files:
  • %WINDIR%\567788.bat
  • %WINDIR%\ld12.exe
  • <Current directory>\x2.dat
Deletes the following files:
  • <Current directory>\x2.dat
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

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