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Win32.HLLW.Autoruner1.25651

Added to the Dr.Web virus database: 2013-05-11

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe logon.exe'
Malicious functions:
Injects code into
the following system processes:
  • %WINDIR%\Explorer.EXE
  • <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
  • <SYSTEM32>\config\systemprofile\Local Settings\Temporary Internet Files\Content.IE5\6YQRA29M\get[1].php
  • <SYSTEM32>\logon.exe
Deletes itself.
Network activity:
Connects to:
  • 'go##ozha.cn':80
TCP:
HTTP GET requests:
  • go##ozha.cn/gallery/get.php?v=################################################
UDP:
  • DNS ASK go##ozha.cn
  • DNS ASK www.microsoft.com