2 things to try. 1: Go into the bios & make sure the boot order is set to boot from your HD first.
2: Run Malwarebytes' Anti-Malware
http://www.softpedia.com/get/Antivi...
http://www.softpedia.com/progScreen...
http://www.malwarebytes.org/mbam.php
http://www.spywareinfoforum.com/ind...
http://www.bleepingcomputer.com/vir...
