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Win32.HLLW.Autoruner1.5936

Aggiunto al database dei virus Dr.Web: 2011-12-09

La descrizione è stata aggiunta:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /F'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /D'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /L'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /K'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /I'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /C'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /T'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /P'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'biejoo' = '%HOMEPATH%\biejoo.exe /r'
Creates the following files on removable media:
  • <Drive name for removable media>:\Passwords.exe
  • <Drive name for removable media>:\RCX3.tmp
  • <Drive name for removable media>:\RCX2.tmp
  • <Drive name for removable media>:\RCX6.tmp
  • <Drive name for removable media>:\RCX5.tmp
  • <Drive name for removable media>:\RCX4.tmp
  • <Drive name for removable media>:\Secret.exe
  • <Drive name for removable media>:\biejoo.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Porn.exe
  • <Drive name for removable media>:\RCX1.tmp
  • <Drive name for removable media>:\Sexy.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%\biejoo.exe 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\biejoo.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\biejoo.exe
  • <Drive name for removable media>:\autorun.inf
  • %HOMEPATH%\biejoo.exe
Deletes the following files:
  • <Drive name for removable media>:\Passwords.exe
  • <Drive name for removable media>:\Porn.exe
  • <Drive name for removable media>:\Sexy.exe
Network activity:
Connects to:
  • 'ns#.##ayer1352.com':8000
UDP:
  • DNS ASK ns#.##ayer1352.com
  • '<Private IP address>':1037
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''