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Win32.HLLW.Autoruner.34576

Added to the Dr.Web virus database: 2010-11-02

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'king_mg' = '%TEMP%\mgking.exe'
Substitutes the following executable system files:
  • <DRIVERS>\cdaudio.sys with <DRIVERS>\SET2.tmp
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\9keibj.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
Installs hooks to intercept notifications
on keystrokes:
  • Handler for all processes: %TEMP%\mgking0.dll
Searches for windows to
bypass different anti-viruses:
  • ClassName: 'AVP.Product_Notification' WindowName: '(null)'
  • ClassName: 'AVP.AlertDialog' WindowName: '(null)'
Restores hooked functions in System Service Descriptor Table (SSDT).
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
  • C:\autorun.inf
  • C:\9keibj.exe
  • %TEMP%\am1.rar
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\am1[1].rar
  • <SYSTEM32>\dllcache\cdaudio.sys.new
  • %TEMP%\mgking0.dll
  • %TEMP%\mgking.exe
  • <DRIVERS>\SET2.tmp
  • <DRIVERS>\SET1.tmp
Sets the 'hidden' attribute to the following files:
  • C:\autorun.inf
  • <Drive name for removable media>:\9keibj.exe
  • <Drive name for removable media>:\autorun.inf
  • %TEMP%\mgking.exe
  • %TEMP%\mgking0.dll
  • C:\9keibj.exe
Deletes the following files:
  • C:\autorun.inf
  • <Drive name for removable media>:\9keibj.exe
  • <Drive name for removable media>:\autorun.inf
  • C:\9keibj.exe
  • <DRIVERS>\cdaudio.sys
  • <DRIVERS>\SET1.tmp
  • %TEMP%\am1.rar
Moves the following files:
  • from <SYSTEM32>\dllcache\cdaudio.sys.new to <SYSTEM32>\dllcache\cdaudio.sys
Deletes itself.
Network activity:
Connects to:
  • 'www.16##ji.com':80
  • 'localhost':1036
TCP:
HTTP GET requests:
  • www.16##ji.com/1mg/am1.rar
UDP:
  • DNS ASK www.16##ji.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'IEFrame' WindowName: '(null)'
  • ClassName: 'Indicator' WindowName: '(null)'
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