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Win32.HLLW.Autoruner1.40267

Added to the Dr.Web virus database: 2013-06-08

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maufe' = '%HOMEPATH%\maufe.exe /r'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'maufe' = '%HOMEPATH%\maufe.exe /m'
Creates the following files on removable media:
  • <Drive name for removable media>:\Sexy.exe
  • <Drive name for removable media>:\Porn.exe
  • <Drive name for removable media>:\Passwords.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\maufe.exe
  • <Drive name for removable media>:\Secret.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%\maufe.exe'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Passwords.exe
  • %HOMEPATH%\RCX3.tmp
  • %HOMEPATH%\RCX4.tmp
  • %HOMEPATH%\RCX6.tmp
  • %HOMEPATH%\RCX5.tmp
  • %HOMEPATH%\RCX2.tmp
  • %HOMEPATH%\Secret.exe
  • %HOMEPATH%\maufe.exe
  • %HOMEPATH%\Sexy.exe
  • %HOMEPATH%\Porn.exe
  • %HOMEPATH%\RCX1.tmp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\maufe.exe
  • <Drive name for removable media>:\autorun.inf
  • %HOMEPATH%\maufe.exe
Deletes the following files:
  • %HOMEPATH%\Secret.exe
  • %HOMEPATH%\Passwords.exe
  • %HOMEPATH%\Sexy.exe
  • %HOMEPATH%\Porn.exe
Moves the following files:
  • from %HOMEPATH%\RCX4.tmp to %HOMEPATH%\Sexy.exe
  • from %HOMEPATH%\RCX5.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX6.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX1.tmp to %HOMEPATH%\Sexy.exe
  • from %HOMEPATH%\RCX2.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX3.tmp to %HOMEPATH%\Porn.exe
Network activity:
Connects to:
  • 'ns#.##ytime1.org':7005
  • 'ns#.##ytime2.com':7005
  • 'ns#.##ytime1.com':7005
  • 'ns#.##ytime1.net':7005
UDP:
  • DNS ASK ns#.##ytime1.org
  • DNS ASK ns#.##ytime2.com
  • DNS ASK ns#.##ytime1.com
  • DNS ASK ns#.##ytime1.net
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''

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