Trojan Win32 KillReg d

Try the following programs, they will stop all unwanted stuff from getting on your pc, that is the a way to remove it by doing the following, clicked on link at the top of the page stating "Xoftspyse download", then clicked on virus tools/or you can search on that site for this program.
 

It is the best freeware program, It is important to do a live update of and to set program to run a full system scan.

Do download the full free home edition and not just the computer cleaner.