Computer Virus

Computer Virus

Computer viruses are programs written by "mean" people to achieve some Goal ! A computer virus is a program which reproduces itself. 

What Is a Basically Virus mean?

A computer virus is a destructive computer program written to alter the way a computer operates. A computer virus is a contagious and passes through networked and shared media, such as floppy disk and CD-ROMs and Pen Drives!!

A virus is a program written by individual who take pleasure in causing damage to computers and the data stored in them. Upon infecting a computer, viruses copy

Malicious program code into files and multiply rapidly in size. They

are capable of renaming files in a computer so that the programs no longer run. They

can also overwrite, corrupt, or delete files in a computer, rendering a computer useless.

Some viruses are programmed or written only to damage systems files and even format the hard disk.

A virus, if detected can cause serious damage to data on the computer. If the computer is on network, the virus will infect other computers. Sometimes, data on the infected computers is lost and cannot be retrieved. For companies dependent on the data,

this can even lead to serious financial loss. Some examples of such viruses are Disk Killer, W97M, Cascade, Autorun, Anna Kournikova and Lovegate

How Virus is spread?

The Virus begin to work and spread when you start up the program or application of which the virus is present . The virus may be programmed to attach to other applications, disks or folders. It may infect a network if given the opportunity

Antivirus Software

Its is nothing but the software which is designed to protect your System against Virus You can protect your hard disk from a virus attack by using antivirus software. Antivirus

software is software that scans the computer’s hard disk to detect viruses. If any virus is around software removes it from computer. A number of antivirus program are available in the market. Some of them are:

• McAfee

• Quick Heal

• Smart dog

Why Antivirus Software is Required to Update?

New viruses are created every day, which multiply through the internet and infected

networks. Therefore, you need you update your antivirus software on a regular basis.

How To Prevent your System from Virus Attack?

Here are some precautions that you can follow to keep your computer free from viruses:

* Scan all floppy disk before copying or opening files.

* Install at least one antivirus program on your computer and use it regularly to check for

   viruses.

* Update your antivirus program regularly to protect your computer from new viruses.

* Make backup copies of important files regularly, so that the damage is minimized if a    

virus attack does occur.

As every new breed of virus is conceived, created and released into the wild, another small change is made to the anti-virus software to combat the new threat

Author : Pratik Nikam
Thanks :)