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Profile

Win32.HLLW.Autoruner1.13279

Added to the Dr.Web virus database: 2012-03-08

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'SYS2' = '%WINDIR%\war3.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'SYS1' = '%WINDIR%\scvost.com'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\explorer.exe
  • <Drive name for removable media>:\japan.exe
  • <Drive name for removable media>:\DotA Editor.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
  • file extensions
Modifies settings of Windows Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
  • %WINDIR%\war3.exe
  • %WINDIR%\scvost.com
  • %WINDIR%\autorun.inf
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\explorer.exe
  • <Drive name for removable media>:\japan.exe
  • %WINDIR%\autorun.inf
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • <Drive name for removable media>:\explorer.exe
  • <Drive name for removable media>:\autorun.inf