Win32.HLLW.Autoruner.51494
Added to the Dr.Web virus database:
2011-06-07
Virus description added:
2011-06-14
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WindowsSystem32' = '%ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\unwise_.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Setup.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\unwise_.exe' = '%ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\unwise_.exe:*:Enabled:WindowsSystem32'
Creates and executes the following:
- %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\unwise_.exe
Searches for windows to
detect analytical utilities:
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
- ClassName: 'RegMonClass' WindowName: ''
- ClassName: 'FileMonClass' WindowName: ''
Modifies file system :
Creates the following files:
- %ALLUSERSPROFILE%\Application Data\TEMP:3A88AF3E
- %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\unwise_.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Setup.exe
- %ALLUSERSPROFILE%\Start Menu\Programs\Administrative Tools\unwise_.exe
Network activity:
Connects to:
- '<Private IP address>':445
- '<Private IP address>':135
- 'ze####.weedns.com':65500
UDP:
- DNS ASK ze####.weedns.com
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