What is virus?
Others answers (2)
- Hari PrakashJun 22, 2013
A computer virus is an executable program. Depend on the nature of a virus, it may cause damage of your hard disk contents, and/or interfere normal operation of your computer. By definition, a virus program is able to replicate itself. This means that the virus multiplies on a computer by making copies of itself. This replication is intentional; it is part of the virus program. In most cases, if a file that contains virus is executed or copied onto another computer, then that computer will also be "infected" by the same virus. A virus can be introduced to a computer system along with any software program. For Internet users, this threat can come from downloading files through FTP (file transfer protocol), or referencing email attachments.
- eAnswers...Jun 22, 2013
A computer virus is a computer program that can replicate itself and spread from one computer to another. The term "virus" is also used to refer to other types of malwares. It includes computer viruses, computer worms, ransom ware, Trojan horses, key loggers, most rootkits, spyware, dishonest adware, malicious BHOs and other malicious software. The majority of active malware threats are usually Trojans or worms rather than viruses.
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