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Win32.HLLW.Autoruner.58995

Added to the Dr.Web virus database: 2011-09-16

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following files on removable media:
  • <Drive name for removable media>:\RECYCLER\Sysyery.bat
  • <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
  • [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
Modifies file system :
Creates the following files:
  • C:\autorun.inf
  • C:\RECYCLER\Sysyery.bat
  • %HOMEPATH%\Cookies\%USERNAME%@msn[1].txt
  • %TEMP%\Serial.exe
  • %TEMP%\lv2.BetaBat.bat
  • <SYSTEM32>\Winlogo.bat
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\autorun.inf
  • C:\autorun.inf
Network activity:
Connects to:
  • 'au##.#earch.msn.com':80
  • 'localhost':1038
TCP:
HTTP GET requests:
  • au##.#earch.msn.com/response.asp?MT################################################################################################################################
UDP:
  • DNS ASK au##.#earch.msn.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
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