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Win32.HLLW.Autoruner1.1957

Added to the Dr.Web virus database: 2011-11-09

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '<Virus name>' = '<SYSTEM32>\explorer.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\<Virus name>.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\online[1].php
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\data[1].php
  • <SYSTEM32>\explorer.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\data[1].php
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\<Virus name>.exe
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\data[1].php
Network activity:
Connects to:
  • 'localhost':80
  • 'he####jnsite.net':80
  • 'localhost':1034
TCP:
HTTP GET requests:
  • localhost/data.php
  • he####jnsite.net/online.php?os############################################################################
  • he####jnsite.net/data.php
UDP:
  • DNS ASK he####jnsite.net
  • '<Private IP address>':1035
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''