Win32.HLLW.Autoruner1.10288

Added to the Dr.Web virus database: 2011-12-29

Virus description added: 2011-12-29

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,%WINDIR%\System\wininit.exe'

Creates the following files on removable media:

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\system\wininit.exe' = '%WINDIR%\system\wininit.exe:*:Enabled:WinServices'

Creates and executes the following:

Executes the following:

<SYSTEM32>\netsh.exe firewall add allowedprogram "%WINDIR%\System\wininit.exe" WinServices Enable

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Deletes itself.

Network activity:

Connects to:

UDP:

Miscellaneous:

Searches for the following windows: