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Profil

Win32.HLLW.Autoruner.47927

Added to the Dr.Web virus database: 2011-04-19

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsotf' = '%APPDATA%\Win7info.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsotf' = '%APPDATA%\Win7info.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\AEXRGYH\DFG-2352-26235-2322322-624621221-2622255\w89e85t5.exe
  • <Drive name for removable media>:\AEXRGYH\DFG-2352-26235-2322322-624621221-2622255\Desktop.ini
Malicious functions:
Creates and executes the following:
  • %APPDATA%\Win7info.exe 
  • %WINDIR%\system33.exe (downloaded from the Internet) 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\l0v3e[1].exe
  • %TEMP%\internet_csche2.tmp
  • %APPDATA%\Win7info.exe
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\l0v3e[1].exe
  • %WINDIR%\system33.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\AEXRGYH\DFG-2352-26235-2322322-624621221-2622255\w89e85t5.exe
  • %APPDATA%\Win7info.exe
Deletes the following files:
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\l0v3e[1].exe
Network activity:
Connects to:
  • 'localhost':1036
  • 'wi##.#23back.com':7000
  • 'localhost':1033
  • 'ks#.fm':80
TCP:
HTTP GET requests:
  • ks#.fm/l0v3e.exe
UDP:
  • DNS ASK wi##.#23back.com
  • DNS ASK ks#.fm
  • '<Private IP address>':1034
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''