SOME THEORIES THAT ARE COMPUTER VIRUS- RELATED

Computer virus is a type of computer program that can be copied manually without user permission or ieda. Like the Metamorphic virus, they can covert the original virus copies or copies can be modified by themselves. A virus can be from one computer to the other computer only when the infected computer is taken to the normal computer. For example: A use can send the virus through a network work or spread through a portable device, such as a floppy disk, CD, USB, drive, pen drive or Internet. Viruses can also attack a net work file system, which can cause other computer to use those systems. The virus is sometimes combined with computer warms and Trojan horses. Trojan horse is a file that is harmless until it is executed.

Currently, many personal computers (PCs) are connected to the Internet and local area networks, which help to spread harmful code. virus infection can occur through the World Wide Web, e-mail and computer file sharing. Some viruses are created by destroying programs, deleting files, or by destroying the computer bu reinstalling the hard disk. Many viruses do not damage the computer directly, but they also produce many copies that express their presence via writing, video or audio and message. Silent Philosophy These

Viruses can also make many user problems. They occupy the necessary memory of normal programs. Several viruses create bugs which in turn cause system crash or loss of date.

The process of the repair It is risky to use it without any computer reinstalling the opening system once it is infected with a virus. However, there are several methods for fixing the virus-related computer. These methods depend on the type of virus and the level of infection. Virus removed An antivirus is not able to delete all the viruses, no matter how good anti-virus, because there is no anti-virus in all viruses. Antivirus software detects virus in two common method is to identify viruses from the list of virus signatures. The main problem of this detection method is that users are protected from viruses that are mentioned in the update of the virus.

anti-virus Setup/software should be kept on every computer.