It is very rare to find a computer that is not having anti-virus software installed. But having anti-virus software installed does not mean that the computer is totally safe from virus. It is always possible that your computer is affected by virus but your installed anti-virus is unable to detect it for certain reasons. In such cases you can always take advantage of free online virus scanner which is always updated.

The Best Free Online Virus Scanners

Kaspersky Online Virus Scanner

Kaspersky free online virus scanner is a great way to find out if you have any viruses or spyware on your machine without having to uninstall your current antivirus software or install a new one. Most importantly, you can see what viruses your current antivirus software let slip through! You just need to be online and using Internet Explorer


Symantec Security Check

Symantec Security Check tests your computer's exposure to a wide range of online threats. It's free and an effective tool that helps determine your Internet security needs.



BitDefender Online Scanner

BitDefender Online Scanner is an on-demand virus scanner which incorporates the award-winning BitDefender scanning engines. You can use it to scan your system's memory, all files and drives' boot sectors, and to automatically clean infected files.




ESET Online Scanner

The ESET Online Scanner is the Web's best free virus scan. A user-friendly, powerful tool, our online antivirus utility can remove malware—viruses, spyware, adware, worms, trojans, and more—from any PC utilizing only a web browser. No installation required. The scanner uses the same ThreatSense® technology and signatures as ESET NOD32 Antivirus, which means it is always up-to-date.


Panda ActiveScan 2.0

Panda ActiveScan 2.0 is an advanced online scanner based on Collective Intelligence (scanning in-the-cloud) that detects malware that traditional security solutions cannot detect.

F-Secure Online Virus Scanner

F-Secure Online Virus Scanner (version 3.3) is a free service. Use it to find out if your computer is infected, and disinfect your computer if needed. The product will automatically download the necessary components and virus definition databases as it is started.


Trend Micro™ Online Virus Scanner

Trend Micro™ HouseCall is an application for checking whether your computer has been infected by viruses, spyware, or other malware. HouseCall performs additional security checks to identify and fix vulnerabilities to prevent reinfection.

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