A computer infection is a kind of malicious code or program that, when executed, reproduces itself by modifying other computer programs and placing its own code. When this replication succeeds, the impacted locations are then said to be contaminated with an infection. Infections frequently spread by developing a copy of themselves on a user's computer without the user's knowledge or consent. MalwareZero.org Oftentimes, viruses will be spread by e-mail attachments or by files shared on peer-to-peer networks. When a virus has contaminated a computer, it can infect other computers on the same network. Some infections are set to spread themselves in a method that might cause serious damage to a computer system. For example, an infection might delete files, fill a disk drive with useless data, or corrupt system files. Sometimes, an infection might even display a message or image that is developed to scare the user. The majority of viruses are reasonably harmless, and only trigger small inconvenience to the user. However, some infections can be very hazardous, and can cause widespread damage to computer system systems.A bug is a sort of malicious code or program that, when implemented, replicates by inserting itself right into other computer system programs, information documents, or the boot field of the hard disk drive. As a result, virus can spread throughout a network of computers and trigger serious damages.
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