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Win32.HLLW.Autoruner1.11428

Added to the Dr.Web virus database: 2012-02-01

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'system' = '%WINDIR%\system\SYSTEM.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\game vui.exe
  • <Drive name for removable media>:\pikachu.exe
Malicious functions:
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Registry Editor (RegEdit)
Modifies settings of Windows Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'Norun' = '00000001'
Modifies file system :
Creates the following files:
  • %WINDIR%\system\SYSTEM.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\pikachu.exe
  • %WINDIR%\system\SYSTEM.exe
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