Which type of malware reproduces itself by spreading through computer systems or networks?

A worm is a type of malware that can replicate itself automatically and spread from one computer to another without requiring user interaction. Unlike many other types of malicious software, a worm does not need to attach itself to a... Read More

1 BASIC COMPUTER MCQS

Which type of malware reproduces itself by spreading through computer systems or networks?

  • Time bomb
  • Worm
  • Melissa Virus
  • Macro virus
Correct Answer: B. Worm

Detailed Explanation

A worm is a type of malware that can replicate itself automatically and spread from one computer to another without requiring user interaction. Unlike many other types of malicious software, a worm does not need to attach itself to a host file or program to spread. Instead, it exploits network vulnerabilities to copy itself across connected systems. Therefore, Option B (Worm) is the correct answer.


Once a worm infects a computer, it creates copies of itself and transmits those copies to other devices on the same network or across the internet. As the number of infected systems increases, worms consume network bandwidth and system resources, which can slow down or even crash computers and networks. Some worms also install additional malware, steal confidential information, or provide attackers with unauthorized access to infected devices.


Key Points



  • Worm: Self-replicating malware that spreads automatically across computers and networks. 

  • Does not require a host file or user action to spread.

  • Can consume network bandwidth and reduce system performance.

  • Often exploits security vulnerabilities in operating systems or networks.

  • May install additional malware or create backdoors for attackers.

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