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Win32.HLLW.Autoruner1.59341

Added to the Dr.Web virus database: 2013-10-25

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'igfxtray Module' = '%WINDIR%\igfxtray.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\USB.exe
Malicious functions:
Executes the following:
  • '<SYSTEM32>\regsvr32.exe' %WINDIR%\msinet.ocx
  • '<SYSTEM32>\regsvr32.exe' %WINDIR%\mswinsck.ocx
Modifies file system :
Creates the following files:
  • %WINDIR%\igfxtray.exe
  • %WINDIR%\Opened.dat
  • %WINDIR%\mswinsck.ocx
  • %WINDIR%\msinet.ocx
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\USB.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ir#.###ellektuelli.es':6667
UDP:
  • DNS ASK ir#.###ellektuelli.es
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'