Best and free online virus scanners

Free on-demand online virus scanner which scans and automatically cleans viruses, spyware &
malware. An online virus scanner cannot be considered a replacement for an installed antivirus scanner. But you can consider it as a second option. Here is a list of the best and free online scanners:

1. BitDefender Online Scanner (IE Only):
   
   Incorporating the BitDefender award-winning scanning engines, BitDefender Online Scanner is an on-demand antivirus and antispyware tool that shows how safe your PC is. Accessible from your browser, it will scan and automatically clean the system memory, all files and drives' boot sectors.
   
   
2. Kaspersky Online Scanner:
   
   One of the best online scanners. can be configured to scan individual files, folders, and drives - or target all email related files found on local and mapped drives.
   
   
3. Tend Micro HouseCall:
   
   HouseCall can quickly identify and fix a wide range of threats including viruses, worms, Trojans, and spyware. It is now faster, more powerful and browser independent!
   
   
4. ESET Online Scanner (IE Only):
   
   ESET Online Scanner is a user friendly, free and powerful tool which you can use to remove malware from any PC utilizing only your web browser without having to install anti-virus software. ESET Online Scanner uses the same ThreatSense® technology and signatures as ESET Smart Security/ESET NOD32 Antivirus, and is always up-to-date.
   
   IMPORTANT: Administrator privileges are required to run ESET Online Scanner.
   
   
5. Symantec Online Scanner /Norton Online Scanner (IE Only):
   
   Download and install Norton Security Scan. It will automatically scan your computer every week, replacing the need for you to manually scan using Symantec Security Check. It’s quick, easy, and best of all, it’s free!
   
   
6. Comodo AV Scanner:
   
   Comodo AV Scanner is a free service that lets you quickly find out whether your computer is infected with viruses and spyware. The scanner requires the installation of a small browser plug-in. This is a one time operation and takes around 3- 4 minutes depending on your Internet connection speed.