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Win32.HLLW.Autoruner1.17821

Added to the Dr.Web virus database: 2012-06-24

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\e
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
  • System Restore (SR)
Modifies file system :
Creates the following files:
  • %TEMP%\who.txt
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\e
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • <SYSTEM32>\Restore\MachineGuid.txt
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Button' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Progman' WindowName: ''