Dr.Web Online Link Checker (scan virus infection of files on web page including those linked via scripts and frames without downloading to user’s computer).However, some online virus scanner requires user to upload the file to scanning server, useful if you receive a file sent by friends via email or instant messaging, but unable to perform a full disk scan, check and test on your computer. It’s also useful when you’re not allowed to install security software, or want to perform multiple engine checks with ease. Most online virus scanning service requires an ActiveX control to install, but do not require to download any installer or setup executable to install any software program, thus minimizing conflict or interference with existing av security product. The list tries to eliminate third-party hosted scanner when the official scanner available for use. Here’s a big list of free online virus scanners, where some scanning and detection services even provide a mean for virus, Trojan, spyware, malware, adware, parasite and other threats removal, deletion and cleaning. Thus, the best alternative is to perform online web-based virus scanning, where in many cases, the updates of virus and spyware signatures are faster too if not real-time.

You are not encouraged to install more than one anti-virus program onto your computer. So it may be good to be able to scan the computer, or downloaded file, programs or executables against multiple different anti-virus, anti-Trojan, anti-spyware and anti-malware engines. In this matter, different security software developers have different mileages. How effective of an antivirus software largely depends on how fast the developers able to response to new or emerging threats. Already grabbed and installed a copy of free BitDefender Total Security, AVG AntiVirus, ESET NOD32 Smart Security, Avira AntiVir Premium, Kaspersky Anti-Virus or other security protection program, but still skeptic of whether your computer is infected or not? With so many viruses, worms, Trojans, malware, keyloggers, rootkits, spyware and other security threats, even an established real-time anti-virus protection software can’t give too much comfort or relieve to end-users especially in view of increasing zero-day attack.

Best free online virus scan and removal