Links:
http://www.pandasecurity.com/homeusers/solutions/activescan/?
http://support.f-secure.com/enu/home/ols.shtml
http://www.kaspersky.com/virusscanner
http://www.bitdefender.com/scan8/ie.html
http://security.symantec.com/sscv6/default.asp?langid=ie&venid=sym
http://housecall.trendmicro.com/
http://www.ewido.net/en/onlinescan/