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Win32.HLLW.Autoruner1.35702

Added to the Dr.Web virus database: 2013-04-26

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /y'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /v'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /q'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /t'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /f'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /j'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /d'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /u'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /n'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /o'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /k'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /m'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /b'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /r'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /z'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /l'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /c'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /w'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /g'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /a'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /e'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /p'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /h'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /s'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'dghat' = '%HOMEPATH%\dghat.exe /i'
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>:\dghat.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%\dghat.exe'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\RCX7.tmp
  • %HOMEPATH%\RCX8.tmp
  • %HOMEPATH%\RCX5.tmp
  • %HOMEPATH%\RCX6.tmp
  • %HOMEPATH%\RCXB.tmp
  • %HOMEPATH%\RCXC.tmp
  • %HOMEPATH%\RCX9.tmp
  • %HOMEPATH%\RCXA.tmp
  • %HOMEPATH%\RCX4.tmp
  • %HOMEPATH%\Sexy.exe
  • %HOMEPATH%\RCX1.tmp
  • %HOMEPATH%\dghat.exe
  • %HOMEPATH%\Secret.exe
  • %HOMEPATH%\RCX3.tmp
  • %HOMEPATH%\Passwords.exe
  • %HOMEPATH%\Porn.exe
  • %HOMEPATH%\RCX2.tmp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\dghat.exe
  • <Drive name for removable media>:\autorun.inf
  • %HOMEPATH%\dghat.exe
Deletes the following files:
  • %HOMEPATH%\Passwords.exe
  • %HOMEPATH%\Secret.exe
  • %HOMEPATH%\Sexy.exe
  • %HOMEPATH%\Porn.exe
Moves the following files:
  • from %HOMEPATH%\RCX9.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX8.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX7.tmp to %HOMEPATH%\Sexy.exe
  • from %HOMEPATH%\RCXC.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCXB.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCXA.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCX3.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX2.tmp to %HOMEPATH%\Porn.exe
  • from %HOMEPATH%\RCX1.tmp to %HOMEPATH%\Sexy.exe
  • from %HOMEPATH%\RCX6.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCX5.tmp to %HOMEPATH%\Passwords.exe
  • from %HOMEPATH%\RCX4.tmp to %HOMEPATH%\Passwords.exe
Network activity:
Connects to:
  • 'ns#.##tetoday2.org':7001
  • 'ns#.##tetoday3.com':7001
  • 'ns#.##tetoday1.net':7001
  • 'ns#.##tetoday2.net':7001
  • 'ns#.##tetoday1.org':7001
  • 'ns#.##tetoday1.com':7001
  • 'ns#.##tetoday2.com':7001
UDP:
  • DNS ASK ns#.##tetoday2.org
  • DNS ASK ns#.##tetoday3.com
  • DNS ASK ns#.##tetoday1.net
  • DNS ASK ns#.##tetoday2.net
  • DNS ASK ns#.##tetoday1.org
  • DNS ASK ns#.##tetoday1.com
  • DNS ASK ns#.##tetoday2.com
Miscellaneous:
Searches for the following windows:
  • ClassName: '' WindowName: ''
  • ClassName: 'Indicator' WindowName: ''
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