Question

In computer, which virus spreads without user intervention?

• A. Trojan
• B. Worm
• C. Spyware
• D. Ransomware

Hint:

Worms can propagate independently, unlike Trojans or ransomware, which typically require user interaction.

Answer 1

The Correct Option is B

Step 1: Understanding worms.
Worms are a type of malicious software that can spread from one computer to another without any user interaction. They typically exploit vulnerabilities in network security to propagate and infect other systems.

Step 2: Explanation of options.
- (A) Trojan: Trojans are viruses that require user interaction to execute, such as opening a file or running a program.
- (B) Worm: Correct. Worms can spread autonomously without user intervention by exploiting network vulnerabilities.
- (C) Spyware: Spyware is designed to secretly gather information from the user but does not spread automatically.
- (D) Ransomware: Ransomware requires user interaction to activate, often through phishing emails or malicious downloads.

Step 3: Conclusion.
Therefore, worms are viruses that spread without user intervention.

Final Answer: Worm.