Protecting your computer from virus and other malware is essential for smooth performance and for security reasons. If you think that your computer is infected with virus, spyware or other malware then you can use any of the anti-virus software to detect and remove them from your computer. If the anti-virus software installed on your computer is out dated then you can make use of online virus scan services to scan your computer quickly.

Here are some of the best online virus scan tools that enable you to scan for virus on your computer. Some of these online applications scan your computer using multiple virus databases to detect any unknown virus that your anti-virus software might have missed.

Nano Scan

Nano Scan is an online virus scanner that will scan your system for virus and other malware quickly. This tool is from the house of Panda software which is well known for developing security software’s. Most of the time it will complete the scanning process in just under a minute or might take longer depending on number of files on your computer and infection level. It uses TruPrevent technology to detect unknown malware or virus. You need to have Internet Explorer with ActiveX control enabled to use this service.

BitDefender Online Scanner

BitDefender Online Scanner provides you with complete solution for detecting and cleaning the infection. It can scan all your memory, drives, boot sectors, etc., and clean any detected virus or malware on your computer. It is well known for detecting and cleaning new virus who’s signatures are not been released yet. There is no need to download and install any files on the computer so you can perform scan whenever you want it. It works perfectly even if you have other security software’s installed on your computer and it does everything automatically and lets you know how save is your computer.

McAfee FreeScan

McAfee is a well know name for producing and developing security software’s. FreeScan is a free service from McAfee to let you know your system status for the presence of any malware or virus on it. You need to agree with the End User License Agreement in order to use this service and click on the Scan Now button. It will right away start scanning all your system memory, hard disks and other files on your drives and gives you a detailed report about the condition of your computers security and virus if any.

F-Secure Online Scanner

F-Secure is relatively new name in the industry of PC security services. Though it is pretty new to the filed it is proving to be one of the best in the industry. F-Secure Online Scanner helps you to scan your computer hard drives, operating system files and other critical files for the presence of virus or other malware or spyware. To use this service you need to install an add-on to your Internet Explorer or Firefox web browser. It will quickly scan and clean any infection on your computer.