CISA Certified Information Systems Auditor – Question2258

A malicious code that changes itself with each file it infects is called a:

A. logic bomb.
B. stealth virus.
C. trojan horse.
D. polymorphic virus.

Correct Answer: D

Explanation:

Explanation:
A polymorphic virus has the capability of changing its own code, enabling it to have many different variants. Since they have no consistent binary pattern, such viruses are hard to identify.