NoVirusThanks is a web based virus scanning tool. NoVirusThanks offer a free service that scan suspicious files for possible presence of virus, worms, trojans and any other kind of malware using several Anti-Virus engines.
To use NoVirusThanks, simply upload your file and press the Submit File button. The system will then put your file in the queue. The scanning process took me more than 5 minutes even though there are only 6 files in the queue. But, i am satisfied with the overall process. It will give you a link which contains the report of the scanning process.
The maximum file size supported is 20MB. You may try to use the Search MD5 feature if you lazy to upload your file. Use any software to compute the MD5 hash and paste to to the service. It will show you the analysis of the file if that file was analyzed before.
When you open your task manager, you may found some unknown processes. These processes may contains spyware or malware. So, you need a database to check these suspicious files. I had introduce 
There are more than 5000 unique spyware and malware found around the world daily. Not all anti-spyware or anti-malware applications can detect these threats. Even though we update the spyware database regularly, there are still some threats which are undetected by our applications. So, some people install a few anti-spyware applications in their PC. So, why not use a online scanner which has a large and comprehensive database?
