FREE!
Scan Your computer for Viruses Now!
Number 1
Panda
http://www.pandasecurity.com/homeusers/solutions/activescan/
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Number 2
Kaspersky
http://www.kaspersky.com/virusscanner
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Number 3
F-secure.com
http://support.f-secure.com/enu/home/ols.shtml
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Number 4
CA
http://www.ca.com/us/securityadvisor/virusinfo/scan.aspx
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Number 5
Bitdefender
http://www.bitdefender.com/scan8/ie.html
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Number 6
Symantic-Norton
http://security.symantec.com/sscv6/default.asp?langid=ie&venid=sym
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Number 8
Trend micro
http://housecall.trendmicro.com/
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Single File scanners
Avast File scanner
http://onlinescan.avast.com/
Virustotal
http://www.virustotal.com/