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Win32.HLLW.Autoruner1.27087

Added to the Dr.Web virus database: 2012-10-04

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'anhao' = '<SYSTEM32>\config\svchost.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\ah.exe
Malicious functions:
Creates and executes the following:
  • C:\1.exe
  • <SYSTEM32>\config\svchost.exe
  • C:\1.exe (downloaded from the Internet)
Modifies file system :
Creates the following files:
  • C:\1.exe
  • C:\ah.exe
  • C:\autorun.inf
  • <SYSTEM32>\config\svchost.exe
  • <SYSTEM32>\hello.dll
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\sx[1].exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\ah.exe
  • C:\ah.exe
  • <SYSTEM32>\config\svchost.exe
Network activity:
Connects to:
  • 'www.44#6.cc':80
  • 'localhost':1036
TCP:
HTTP GET requests:
  • www.44#6.cc/123/sx.exe
UDP:
  • DNS ASK www.44#6.cc