Which virus category has the capability of changing its own code, making it harder to detect by anti-virus software?

The correct answer is B. Polymorphic viruses. A polymorphic virus has the capability of changing its own code, enabling it to have many different variants, making it harder to detect by anti-virus software. The particularity of a stealth virus is that it tries to hide its presence after infecting a system. A Trojan horse is

Submitted by chen.hong· Apr 18, 2026Security Concepts and Practices

Question

Which virus category has the capability of changing its own code, making it harder to detect by anti-virus software?

Options

AStealth viruses
BPolymorphic viruses
CTrojan horses
DLogic bombs

How the community answered

(23 responses)

A
9% (2)
B
87% (20)
C
4% (1)

Explanation

A polymorphic virus has the capability of changing its own code, enabling it to have many different variants, making it harder to detect by anti-virus software. The particularity of a stealth virus is that it tries to hide its presence after infecting a system. A Trojan horse is a set of unauthorized instructions that are added to or replacing a legitimate program. A logic bomb is a set of instructions that is initiated when a specific event occurs.

Topics

#Malware#Polymorphic viruses#Virus detection#Anti-virus evasion

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