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Win32.HLLW.Autoruner1.29271

Added to the Dr.Web virus database: 2012-11-05

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\sdra64.exe,'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\NDI4ODU4MjA3MDQzNzg4O.exe
Modifies file system :
Creates the following files:
  • <SYSTEM32>\sdra64.exe
  • C:\autorun.inf
  • C:\NDI4ODU4MjA3MDQzNzg4O.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • <SYSTEM32>\sdra64.exe
  • <Drive name for removable media>:\NDI4ODU4MjA3MDQzNzg4O.exe
  • C:\NDI4ODU4MjA3MDQzNzg4O.exe
  • C:\autorun.inf
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''