Some more online scanners
* GRC Shields Up! - https://grc.com/x/ne.dll?bh0bkyd2
* PC Flank Multiple Tests - http://www.pcflank.com/
* Good Range of Port Scans - http://scan.sygate.com/
* Basic Port Scan - http://www.dslreports.com/scan
* Online port Scanners - http://www.computercops.biz/article808.html
* Privacy and Security - http://www.auditmypc.com
* Basic Scanner - http://www.preventon.com/scanner/en/
* Trojan Scanner - http://www.trojanscan.com/
* Lots of Tests - http://stealthtests.lockdowncorp.com/
* Good online port scanner - http://www.hackerwhacker.com/
* Panda online AV - http://www.pandasoftware.com/actives..._principal.htm
* Trend online AV - http://housecall.antivirus.com/
* Bitdefender online AV - http://www.bitdefender.com/scan/licence.php
* RAV online AV - http://www.ravantivirus.com/scan/
* Kasperksy remote virus scanner - http://www.kaspersky.com/remoteviruschk.html
* Browser Security Check - http://bcheck.scanit.be/bcheck/
* Blackcode Security Scan - http://www.blackcode.com/scan/
* PC-Pitstop AV Scan - http://www.pcpitstop.com/antivirus/
* a² Online-Check http://onlinecheck.emsisoft.com/en/
* Sygate trojan Scan http://scan.sygate.com/pretrojanscan.html
* ActiveX Spyware & Adware Scanning Xscan http://www.spywareinfo.com/xscan.php
* Adware Remover Gold free Scan http://www.adwareremovergold.com/freescan/index.html
* http://www3.ca.com/securityadvisor/virusinfo/scan.aspx
Source: got from security-forums.com