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Win32.HLLW.Autoruner.56725

Aggiunto al database dei virus Dr.Web: 2011-08-21

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ctfnom' = '%APPDATA%\Dir\ctfnom.exe'
Creates the following files on removable media:
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Mirc.exe
Malicious functions:
Creates and executes the following:
  • %APPDATA%\Dir\ctfnom.exe 
  • %TEMP%\lostdoorfevicold.exe 
  • %TEMP%\fear.exe 
Executes the following:
  • <SYSTEM32>\net1.exe stop sharedaccess
  • <SYSTEM32>\net.exe stop sharedaccess
  • <SYSTEM32>\rundll32.exe <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen "%TEMP%\172965-brotherhoodheader.jpg"
Modifies file system :
Creates the following files:
  • %TEMP%\172965-brotherhoodheader.jpg
  • %APPDATA%\Dir\ctfnom.exe
  • %APPDATA%\Dir\Dated.dat
  • %TEMP%\fear.exe
  • %TEMP%\lostdoorfevicold.exe
  • %TEMP%\lostdoor 1.exe
Sets the 'hidden' attribute to the following files:
  • %APPDATA%\Dir\ctfnom.exe
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'ShImgVw:CPreviewWnd' WindowName: ''