Free antivirus scanner

Free online antivirus scanner

Online antivirus software are a free services offered by the biggest and most important antivirus companies, these are ready to be used online in such way that anyone who wishes to, is able to examine his or her computer files, to be able to know what type of virus we have on our computer.

It is very important to understand that the online service does not eliminate the viruses installed in our computers, it just helps us knowing which viruses we have, and for example it will help us finding Trojans, Spyware, Keyloggers and worms, among others.

These online virus detectors can be used from any computer, it is only necessary to have a little component called activeX installed, it will make it possible for your computer to be analyzed.

It is also very probable that it will require a few more specifications when scanning our PC, we just have to accept the downloads it requires and, maybe, having to start some installation.

Most antivirus software are tested from the Internet Explorer, as well as from Mozilla Firefox, although some antivirus software are not recognized by Internet Explorer, it is also better to use only one antivirus at the time, because using more than one could decrease the transfer speed and delay the file scan in your PC, as well as the PC processes.

Finally, it is best to close the programs you are using, especially those who represent some sort of filter for the information through the Internet, such as Messenger, P2P programs or FTP file downloads.
 

In order to be able to check your computer, I have prepared a list of the top online antivirus software, they are totally free and some of them require downloading some file to be able to analyze your computer.

The first one I will recommend is known as aVaST antivirus Protection. This online antivirus is an extremely light file, it only weight 512 Kb, recognized every kind of current virus, the only disadvantage it presents it that it only analyzes viruses stored in the hard drive, but not the ones that could be stored in the start system. To check it, you can visit this web site: http://onlinescan.avast.com/.

another great online antivirus is the bIT Defender. It has high content regarding the latest viruses it is capable of recognizing any kind of virus, whether it is a Trojan, a Worm or a Keylogger, it also analyzes the memory sector that correspond to your drive. This online scanner is pretty effective against any threat; you can visit its website here: http://www.bitdefender.com/scanner/online/free.html.

The ESET online Nod32 is also a great antivirus, as capable as the other listed before. It is very recognized for the Nod32 brand. The scanner specializes in detecting threats such as malware, Trojans and worms, it does not require much installation processes and it is very easy to use. It analyzes your file system, as well as the memory start. You can visit it from this link: http://www.eset.com/onlinescan/.