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Win32.HLLW.Autoruner.60072

Added to the Dr.Web virus database: 2011-09-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /J'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /Z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /E'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /Y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /A'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /B'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /i'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /R'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /D'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /Q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vouajig' = '%HOMEPATH%\vouajig.exe /h'
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>:\NlC.ico
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\vouajig.exe
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\vouajigx.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%\vouajig.exe 
Modifies file system :
Creates the following files:
  • %HOMEPATH%\vouajig.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\vouajig.exe
  • <Drive name for removable media>:\vouajigx.exe
  • <Drive name for removable media>:\NlC.ico
  • %HOMEPATH%\vouajig.exe
  • <Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
  • 'ns#.##ayer1532.com':8001
UDP:
  • DNS ASK ns#.##ayer1532.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
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