Win32.HLLW.Autoruner.54373
Added to the Dr.Web virus database:
2011-07-16
Virus description added:
2011-07-16
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'king_mg' = '<SYSTEM32>\mgking.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\w9.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\winlogon.exe' = '<SYSTEM32>\winlogon.exe:*:enabled:@shell32.dll,-1'
To complicate detection of its presence in the operating system,
forces the system hide from view:
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
- <SYSTEM32>\winlogon.exe
Restores hooked functions in System Service Descriptor Table (SSDT).
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- %TEMP%\Temporary Internet Files\Content.IE5\Y5CZU56N\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\C3KJUZSJ\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\WH6VCHIV\desktop.ini
- %TEMP%\History\History.IE5\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\01AZOTE7\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\desktop.ini
- <SYSTEM32>\mgking.exe
- \Device\HarddiskVolume1
- <SYSTEM32>\mgking0.dll
- C:\autorun.inf
- C:\w9.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\Temporary Internet Files\Content.IE5\Y5CZU56N\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\C3KJUZSJ\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\desktop.ini
- %TEMP%\History\History.IE5\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\01AZOTE7\desktop.ini
- %TEMP%\Temporary Internet Files\Content.IE5\WH6VCHIV\desktop.ini
- C:\w9.exe
- <SYSTEM32>\mgking0.dll
- <SYSTEM32>\mgking.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\w9.exe
- C:\autorun.inf
Deletes the following files:
Deletes itself.
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