So use the following 100% freeware tools:
ComboFix:
1.Removes most trojans and viruses.Realy powerfull
2.Command prompt tool
Download Link:http://www.bleepingcomputer.com/comb...o-use-combofix
Note:Use the above link only many sites provide fake verson of this
GMER:
1.Powerfull against roolkits.
2.Removes even ADS hidden roolkits with ease
Download Site:http://www.gmer.net
Apart from this use free anti-virus like AVG free edition
Enjoy a problem free and hacker-proof System

