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Win32.HLLW.Facebook.168

Added to the Dr.Web virus database: 2009-07-26

Virus description added:

Technical Information

To ensure autorun and distribution
Modifies the following registry keys
  • [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'sysldtray' = '%WINDIR%\ld12.exe'
Modifies file system
Creates the following files
  • %WINDIR%\prxid93ps.dat
  • <Current directory>\x2.dat
  • %WINDIR%\ld12.exe
  • %WINDIR%\34rdft.bat
Deletes the following files
  • <Current directory>\x2.dat
Deletes itself.
Network activity
TCP
HTTP GET requests
  • http://www.google.com/
HTTP POST requests
  • http://u1##ul.com/achcheck.php
  • http://um###ummer.com/achcheck.php
UDP
  • DNS ASK google.com
  • DNS ASK up##306.com
  • DNS ASK rj###three.com
  • DNS ASK ut###ejuly.com
  • DNS ASK u1##ul.com
  • DNS ASK um###ummer.com
Miscellaneous
Creates and executes the following
  • '%WINDIR%\ld12.exe'
  • '%WINDIR%\ld12.exe' ' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /c %WINDIR%\34rdft.bat' (with hidden window)
Executes the following
  • '%WINDIR%\syswow64\cmd.exe' /c %WINDIR%\34rdft.bat