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Win32.HLLW.Autoruner1.26941

Added to the Dr.Web virus database: 2012-10-02

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft' = '<LS_APPDATA>\Sms.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'windows' = '<LS_APPDATA>\Sms.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = '%SYSTEMROOT%\Explorer.exe, %SYSTEMROOT%\CONFIG.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\Autorun.inf
Malicious functions:
Executes the following:
  • %WINDIR%\explorer.exe C:
Modifies file system :
Creates the following files:
  • C:\Autorun.inf
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''