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Win32.HLLW.Autoruner.38782

Added to the Dr.Web virus database: 2012-10-09

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /r'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /B'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /Q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /X'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /U'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /O'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /H'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /M'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /G'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /S'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /N'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /P'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'nueiq' = '%HOMEPATH%\nueiq.exe /i'
Creates the following files on removable media:
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Documents.lnk
  • <Drive name for removable media>:\Video.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\nueiq.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\New Folder.lnk
  • <Drive name for removable media>:\nueiqx.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%\btlop.exe
  • %HOMEPATH%\ctlop.exe
  • %HOMEPATH%\atlop.exe
  • %HOMEPATH%\nueiq.exe
Executes the following:
  • <SYSTEM32>\cmd.exe /c ""%HOMEPATH%\a.bat" "
  • <SYSTEM32>\cmd.exe /c ""%TEMP%\7ZSfx000.cmd" "
  • <SYSTEM32>\tasklist.exe
  • <SYSTEM32>\svchost.exe
Injects code into
the following system processes:
  • <SYSTEM32>\svchost.exe
the following user processes:
  • firefox.exe
  • iexplore.exe
  • YahooMessenger.exe
  • msnmsgr.exe
  • ICQ.exe
Searches for windows to
detect programs and games:
  • ClassName: 'SkinuxWindow' WindowName: 'MySpaceIM with Skype'
Hides the following processes:
Modifies file system :
Creates the following files:
  • %HOMEPATH%\a.bat
  • %TEMP%\Aqz..bat
  • %TEMP%\7ZSfx000.cmd
  • %HOMEPATH%\nueiq.exe
  • %HOMEPATH%\atlop.exe
  • %HOMEPATH%\btlop.exe
  • %HOMEPATH%\ctlop.exe
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\nueiq.exe
  • <Drive name for removable media>:\nueiqx.exe
  • %HOMEPATH%\nueiq.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • %HOMEPATH%\ctlop.exe
  • %TEMP%\7ZSfx000.cmd
  • %HOMEPATH%\btlop.exe
  • %HOMEPATH%\atlop.exe
Deletes itself.
Network activity:
Connects to:
  • 'fl###spot.in':80
UDP:
  • DNS ASK fl###spot.in
  • DNS ASK ma#l.ru
  • DNS ASK yandex.ru
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''