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Win32.HLLW.Autoruner2.4211

Added to the Dr.Web virus database: 2014-01-31

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\1ce2886ba0b8d0350137a25cc772615d.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\windowscms.exe' = '%APPDATA%\windowscms.exe:*:Enabled:windowscms.exe'
Creates and executes the following:
  • '%APPDATA%\windowscms.exe'
Executes the following:
  • '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\windowscms.exe" "windowscms.exe" ENABLE
Modifies file system :
Creates the following files:
  • %APPDATA%\windowscms.exe
Network activity:
Connects to:
  • 'hu####96.dnsd.info':22081
UDP:
  • DNS ASK hu####96.dnsd.info
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: '(null)'