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Nfs world wiki5/29/2023 ![]() It doesn't need a host to replicate from one computer to another.Ĭonsumes system resources and slows down it, and can halt the system completely.Ī virus is a software program that can link itself to the executable files of a computer. The Virus attaches itself to executable files and transfers from one system to the other.Ī Worm is a malicious program that replicates itself and can spread to different computers via Network. ![]() ![]() Worms and zombie programs are examples of self-contained programs that don’t need the host and can be executed by the operating system automatically. Viruses, logic bombs, and backdoors are the example of fragments of programs that require host program and cannot exist solitarily. The malicious softwares are known as malware, which is broadly divided into two categories: one which needs a host program and others which are independent and don’t need a host for their execution.
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