Which of the following is software that locks data files and demands financial payment in exchange for unlocking them?

Software that locks a victim's data files and demands money to unlock them is ransomware.

Spyware quietly gathers information without locking files or demanding payment.

A logic bomb triggers harmful action when a set condition is met, not for ransom.

A trojan horse disguises malicious code as a legitimate program.

Ransomware usually encrypts the files and shows a payment demand to release them.

Paying the ransom never guarantees the files will actually be restored.