What statement provides the best definition of malware?

What statement provides the best definition of malware?

A.
Malware is tools and applications that remove unwanted programs.

B.
Malware is a software used by nation states to commit cyber-crimes.

C.
Malware is unwanted software that is harmful or destructive

D.
Malware is a collection of worms, viruses and Trojan horses that is distributed as a single…..