Or any of these online scanners - you might need to use your IE browser for them to work - it will tell you when you try it with FF if it needs IE.

then just copy /paste the URL into the IE location bar and hit go or enter

http://www.kaspersky.com/virusscanner

http://free.antivirus.com/clean-up-tools/

http://www.pandasecurity.com/homeuse...ns/activescan/

http://www.f-secure.com/en_EMEA-Labs...online-scanner

oh - here's the whole list in one place -
http://techpp.com/2009/08/07/top-10-...ers-antivirus/

some sites will have a specific download available to remove the spy.,Trojan, virus - or tell you how to removes it if the scanner can't do it.