Wherever possible, this list includes just those sites that are the originator and main site for that particular engine. Some online anti-virus scanners have private-labeled their engines to third parties, but these engines are not always up-to-date or as good as the original.

virustotal: This is a real online scanner , you have to upload any suspicious file then it show results after checking your file by 32 top Antivirus softwares

Dr.Web: If you are a fan of Dr.web then u can use its online file scanner .you can scan one file at a time by browsing file .its a well renowned antivirus .

A-squared: The A-squared malware scanner looks for for Trojan horses, backdoors, worms, dialers, adware, keyloggers, rootkits, hacking tools, riskware and tracking cookies. However, it only works inside IE (Internet Explorer) with ActiveX controls enabled.

BitDefender Scan8 Online: BitDefender is a complete online anti-virus scanner that appears in a new window. It requires IE to function.

Command On Demand Scanner: Another straightforward online virus scanner that requires IE and ActiveX controls.

The ESET Online Scanner: This online antivirus scanner from ESET also requires ActiveX and IE.

Computer Associates CA Anti-Virus: The free online version of CA’s anti-virus program requires ActiveX and IE.

Ewido Networks Anti-Spyware: Ewido Networks has an online anti-spyware scanner that is a predecessor to AVG Anti-Virus; it also requires IE and ActiveX.

Freedom Online Virus Check: One of the very few online scanners that works with both Firefox and IE. Firefox users will need to install a Java-based scanner, while IE users will need to activate ActiveX controls The service’s engine is based on the F-Prot scanner.

F-Secure Online Scanner: Another scanner that requires IE and ActiveX. It also checks for rootkits.

Panda ActiveScan: Based on the popular Panda virus scanner, the online version also requires IE and ActiveX.

Windows Live OneCare: ’s online virus scanner is based around its new Windows Live technology — and yes, this service too is only compatible with Internet Explorer with ActiveX controls enabled.

Trend Micro HouseCall: A smarter online scanner than most, Trend Micro’s solution detects browsers and installs the appropriate piece of code needed, whether it’s Java or ActiveX. The service is based on TrendMicro’s popular anti-virus engine.

Infected or Not:This online scanner is powered by panda software.

Note that leading anti-virus vendors McAfee Inc. and Symantec Corp. have rich online scanning tools, but these services do not actually remove detected threats.

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