http://www.grisoft.com/us/us_dwnl7.php (free anti-virus programme)
http://www.free-av.com/ (free anti-virus programme)
http://www.avast.com/i_kat_76.html (free anti-virus programme)
http://www.vcatch.com/home.html (free anti-virus programme)
http://www.bitdefender.com/bd/site/downloads.php?menu_id=21 (several
different free anti virus downloads here)
http://housecall.trendmicro.com/ (online scanner, one of the best!)
http://www.pandasoftware.com/activescan/co...n_principal.htm
(online scanner)
http://www.ravantivirus.com/scan/ (online scanner)
http://www.kaspersky.com/remoteviruschk.html (online scanner)
http://www.commandondemand.com/eval/index.cfm (online scanner)
http://www.mwti.net/antivirus/free_utilities.asp (online scanner,
plus virus removal tools)

http://www.astonsoft.com/antiutils/ (virus removal tools)
http://www.freedom.net/viruscenter/onlineviruscheck.html (online
scanner)
http://www.trojanscan.com/ (trojan horse scanner)
http://www.noadware.net/?hop=mortdav (adware detecter)
http://www.pcflank.com/scanner1.htm (scans f or vunerabilities in
your system)
https://grc.com/x/ne.dll?bh0bkyd2 (has many useful scans to check
for vunerablities in your system and tells you how to fix them!)