Brontok Worm

Brontok is a computer worm which spreads through emails and USB drives. There are so many variants of brontok but they basically work similarly.How do I know if my system is infected?
You can’t start Regedit.exe
When trying to start any other registry editor, the system restarts
The system also restarts when executing certain EXE files
The presence of the following files:
%WINDIR%\eksplorasi.pif
%UserProfile%\Local Settings\Application Data\smss.exe
%UserProfile%\Local Settings\Application Data\services.exe
%UserProfile%\Local Settings\Application Data\lsass.exe
%UserProfile%\Local Settings\Application Data\csrss.exe
%UserProfile%\Local Settings\Application Data\inetinfo.exe
%UserProfile%\Local Settings\Application Data\winlogon.exe
%UserProfile%\Start Menu\Programs\Startup\Empty.pif
%UserProfile%\Templates\WowTumpeh.com
%WINDIR%\%CURRENT_USER%’s Setting.scr
%WINDIR%\ShellNew\bronstab.exe
All these files have the size of the worm’s main executable: 42,028 bytes(About 42 KB).

What does it do?
Disable Folder Options
Disable Registry Editor
Installs itself in the startup
When in memory, it will restart the system if any program involving the registry is started

How to remove Brontok?

Download and run this brontok removal tool from Bitdefender. This tool will kill the brontok process, restore folder options and registry editor and fix system startup.