Computer Virus

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Malware is software intentionally created to cause harm to a user, a computer system, or a network. It can damage files, interrupt work, or gain unauthorized access to computer resources.

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A computer virus is a malicious program that can execute and replicate itself. It attaches to other programs, spreads without the user's knowledge, and causes damage to the system.

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VIRUS stands for Vital Information Resources Under Siege. It is used as a name for harmful computer programs that attack important data and system resources.

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A virus is called an electronic terrorist because it is destructive, acts without permission, and can harm files, programs, and system work.

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A virus usually attaches itself to other programs and spreads across the system without the user's knowledge. It can enter through infected storage media, pirated software, hired games or CDs, unwante…

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Common symptoms include slow processor speed, unusual messages on the screen, a flashing disk drive light, more time taken to open or close files, increased file size, and decreased memory.

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A virus can infect executable files such as word documents, spreadsheets, and presentations, as well as disks and drives and files sent through emails or transferred using storage devices.

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A virus cannot infect computer hardware such as a monitor, keyboard, mouse, or printer. It also cannot infect write-protected discs such as CD-ROM and audio cassettes, or antivirus-protected software.