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Win32.HLLW.Autoruner1.35265

Aggiunto al database dei virus Dr.Web: 2013-04-17

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /F'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /T'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /r'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /I'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'yuouzu' = '%HOMEPATH%\yuouzu.exe /o'
Creates the following files on removable media:
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\cSDc.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\yuouzu.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\yuouzux.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • '%HOMEPATH%\yuouzu.exe'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\yuouzu.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\yuouzu.exe
  • <Drive name for removable media>:\yuouzux.exe
  • <Drive name for removable media>:\cSDc.ico
  • %HOMEPATH%\yuouzu.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ns#.##ayer1532.com':8000
UDP:
  • DNS ASK ns#.##ayer1532.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''