免費線上掃毒
 
廠  牌 線上掃毒網址
卡巴斯基 http://www.kaspersky.com/virusscanner
F-Secure http://support.f-secure.com/enu/home/ols.shtml
趨勢PC-cillin http://housecall.trendmicro.com/housecall/start_corp.asp
PANDA http://www.pandasoftware.com/activescan/activescan/ascan_1.asp
賽門鐵克 諾頓 http://security.symantec.com/sscv6/default.asp?langid=ch
McAfee 邁克菲 http://us.mcafee.com/root/mfs/default.asp
WindowsSecurity

http://www.windowsecurity.com/trojanscan/  (掃木馬)

 微軟 OneCare http://onecare.live.com/ (只支援IE瀏覽器)

以上清單隨時更新中,若有看到其他不錯用的免費線上掃毒服