Tuesday, May 12, 2009

How Do Virus Removers Work in Getting Rid of Viruses From Our System?

We all use antivirus to prevent our computer systems from getting infected by any malicious program. It is mainly used to scan files that are suspicious and harmful. It is a very good idea to understand the functionality of an antivirus program. Here's a low down on how do virus removers work. Most of the conventional antivirus tools work on two basic techniques. The first technique is the regular function of antivirus software that is, scanning files to detect known viruses. This is done with the help of virus definitions installed in the system when the antivirus is installed which helps it to find known virus. The second basic technique is determining suspicious behavior or activities that are recorded within the system. Most of the competent antivirus software works on both the above mentioned techniques.

In the first type of technique in which the software uses virus definition, it looks for matching codes in the computer. This method of virus removers' work in such a way that it tries to find out any malicious code present in the computer that match with the pre-defined virus definition of the antivirus. Once a match is found, the antivirus will show notification on the screen or terminates the infections by itself. It may also quarantine the virus so that no other files in the computer can access this quarantined file and get infected with the virus.

The second approach that is the suspicious activity determining approach of the virus removers does not actually intend to search for existing infected files but in contrast it stops any suspicious program from performing malicious activities. For example, any program that tries to manipulate with .exe files is considered as malicious action. Any such activity is notified by antivirus software and asks for appropriate action to handle the error. Such antivirus software is very useful to keep your computer working fluently. You can set the scanning schedule for these tools so that it may start the scanning process on the set time. You can easily avail this software from the market. Internet is another option that may help you get an antivirus tool. You can download such software from various sites on internet; you may get this software for free or at a nominal cost.

The author of this article, Silki Garg, has written many high rated articles on Online Security. You will surely find her recent articles on a free PC Security and Windows Security interesting to read.

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