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Win32.HLLW.Autoruner1.6005

Added to the Dr.Web virus database: 2011-12-09

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '%USERNAME%' = '%WINDIR%\%USERNAME%.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\AutoRun.inf
  • <Drive name for removable media>:\%USERNAME%.exe
  • <Drive name for removable media>:\rdfc.isd
Modifies file system :
Creates the following files:
  • %WINDIR%\%USERNAME%.exe
  • %WINDIR%\InList.txt
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\currentlyattacked[1].htm
  • <Current directory>\LOIC.exe
  • %TEMP%\aut1.tmp
  • %TEMP%\hcgbcxk
  • %TEMP%\aut2.tmp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\AutoRun.inf
  • <Drive name for removable media>:\rdfc.isd
  • %WINDIR%\%USERNAME%.exe
Deletes the following files:
  • %TEMP%\aut2.tmp
  • %TEMP%\hcgbcxk
  • %TEMP%\aut1.tmp
Network activity:
Connects to:
  • 'al###s.webs.com':80
  • 'localhost':1035
TCP:
HTTP GET requests:
  • al###s.webs.com/currentlyattacked.htm
UDP:
  • DNS ASK al###s.webs.com
  • '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
  • ClassName: 'MS_WebcheckMonitor' WindowName: ''
  • ClassName: 'MS_AutodialMonitor' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''