how to remove spyware virus from computer?

my computer has a spyware infection i need a free spyware software that really works please i need help

spybot search and distroy will clean it

http://www.safer-networking.org/en/index.html

Ebola Computer Virus

Computer Optimization, Networking & Security (High Definition) $150.00 Computer performance, networking and security have been the major concerns for all Windows users. Many Computer Geeks claim they have software to install on your PC that will eradicate these problems. Other charges huge some of money to fix the same problem. What they fail to tell to is that your computer already has the tools built-in to handle the optimization, networking and security essentials…

Norton Internect Security 2012 (2 Pack) $49.00 *Scans email and instant messages for viruses, suspicious links, infected attachments, and other dangers before you open them. Prevents cybercriminals from hacking into your PC and swiping your information when you use wireless networks….