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Profil

Win32.HLLW.Autoruner.58587

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

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\system.dll
Malicious functions:
Executes the following:
  • %WINDIR%\explorer.exe /idlist,:340:2828,<Current directory>\
  • %WINDIR%\explorer.exe
Terminates or attempts to terminate
the following system processes:
  • %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
  • %WINDIR%\twain_86.dll
  • %WINDIR%\clbcatq.dll
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\system.dll
Network activity:
Connects to:
  • '25#.#55.255.255':1701
  • 'ss###w.co.cc':80
  • 'ss###w.co.cc':1701
TCP:
HTTP GET requests:
  • ss###w.co.cc/l.php?v=#####################################
UDP:
  • DNS ASK df####tjj-ltd.org
  • DNS ASK je#####hfdmkuioy.co.cc
  • DNS ASK ss###w.co.cc
  • '<Private IP address>':1040
  • '<Private IP address>':1037
  • '<Private IP address>':1039
  • '<Private IP address>':1038
  • '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: ''
  • ClassName: 'OleMainThreadWndClass' WindowName: ''
  • ClassName: 'CSCHiddenWindow' WindowName: ''
  • ClassName: 'SystemTray_Main' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Proxy Desktop' WindowName: ''
  • ClassName: 'SysListView32' WindowName: ''
  • ClassName: 'BaseBar' WindowName: 'ChanApp'