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Win32.HLLW.Autoruner.62491

Added to the Dr.Web virus database: 2011-10-07

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'booef' = '%HOMEPATH%\booef.exe /B'
Creates the following files on removable media:
  • <Drive name for removable media>:\booef.exe
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • %HOMEPATH%\booef.exe 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\booef.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • %HOMEPATH%\booef.exe
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
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