In spite of your best attempts, your system may get infected by a virus or some other malicious programs. Viruses need to be gotten rid of, to restore the system to its previous working state. Removing the virus from the system may be quite simple, or even amazingly difficult, depending upon the methods deployed to remove them. You may also come across data loss when your system gets affected by a virus. Data loss may be permanent or reversible. Mostly, Data Recovery Software can help recover all your lost data.

I found this article that comes into detail about virus recovery something that isn’t really talked about much on the web.  Read the full article here at How to remove Virus from Hard Drive