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Win32.HLLW.Autoruner.55341

Aggiunto al database dei virus Dr.Web: 2011-07-30

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\WindowsDown] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
  • <SYSTEM32>\sevser.exe (downloaded from the Internet) 
  • <SYSTEM32>\servet.exe 
Executes the following:
  • <SYSTEM32>\cmd.exe /c <SYSTEM32>\Deledomn.bat
Modifies file system :
Creates the following files:
  • <SYSTEM32>\sevser.exe
  • C:\AutoRun.inf
  • C:\servet.exe
  • <SYSTEM32>\servet.exe
  • <SYSTEM32>\Deledomn.bat
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\sevser[1].exe
Sets the 'hidden' attribute to the following files:
  • C:\servet.exe
  • C:\AutoRun.inf
  • <SYSTEM32>\servet.exe
Deletes itself.
Network activity:
Connects to:
  • 'ha####clf.512j.com':80
  • 'localhost':1037
TCP:
HTTP GET requests:
  • ha####clf.512j.com/sevser.exe
UDP:
  • DNS ASK ha####clf.512j.com
Miscellaneous:
Searches for the following windows:
  • ClassName: '#32770' WindowName: 'IE????????'
  • ClassName: '#32770' WindowName: '???????????????????? - IE??????'
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: '#32770' WindowName: 'IE ????????'