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What Is Computer Infection?

Sophia Al-Mansoor • • 6 min read
What Is Computer Infection?
A computer virus is a type of computer program that, when executed, replicates itself by modifying other computer programs and inserting its own code. When this replication succeeds, the affected areas are then said to be "infected" with a computer virus.

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Also asked, what is a virus on a computer?

Definition: A computer virus is a malicious software program loaded onto a user's computer without the user's knowledge and performs malicious actions. It can self-replicate, inserting itself onto other programs or files, infecting them in the process. Not all computer viruses are destructive though.

Secondly, what are the types of virus? Some of the most common viruses are,

  • Boot Sector Virus.
  • Direct Action Virus.
  • Resident Virus.
  • Multipartite Virus.
  • Polymorphic Virus.
  • Overwrite Virus.
  • Spacefiller Virus.

In this regard, how can a computer get infected with a virus?

Viruses can enter your computer in any number of ways, such as via an email attachment, during file downloads from the Internet or even upon a visit to a contaminated Web site.

Who created computer virus?

The first virus that attacked MS-DOC is called Brain and was written by two brothers, Basit Farooq Alvi and Amjad Farooq Alvi, from Lahore, Punjab, Pakistan in 1986. The virus infects the boot sector of storage media formatted with the DOS File Allocation Table (FAT) file system.

Related Question Answers

What are the types virus?

9 Types Of Computer Viruses That You Should Know About – And How To Avoid Them
  • Boot Sector Virus.
  • Web Scripting Virus.
  • Browser Hijacker.
  • Resident Virus.
  • Direct Action Virus.
  • Polymorphic Virus.
  • File Infector Virus.
  • Multipartite Virus.

What a computer virus Cannot do?

A computer virus, much like a flu virus, is designed to spread from host to host and has the ability to replicate itself. Similarly, in the same way that flu viruses cannot reproduce without a host cell, computer viruses cannot reproduce and spread without programming such as a file or document.
Sophia Al-Mansoor
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Sophia Al-Mansoor

Sophia analyzes international trade, startup ecosystems, retail transformation, and supply chain logistics for modern digital publications.