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Win32.HLLW.Autoruner.25902

Added to the Dr.Web virus database: 2010-07-31

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'MY_VER.exe' = '%WINDIR%\MY_VER.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MY_VER.exe' = '%WINDIR%\MY_VER.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\mnu.sys
  • <Drive name for removable media>:\autorun.inf
Modifies file system :
Creates the following files:
  • C:\mnu.sys
  • %WINDIR%\ModemLog.utp
  • %WINDIR%\TMP4.hlp
  • C:\autorun.inf
Deletes the following files:
  • <Drive name for removable media>:\autorun.inf
  • C:\autorun.inf
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''