The fake anti-virus program that is also known as rogue is C. Malware.
Step-by-step explanation:
1. Malware is a general term used to describe malicious software designed to harm or exploit computer systems.
2. Within the category of malware, there is a type known as rogue software.
3. Rogue software is specifically designed to deceive users by pretending to be legitimate anti-virus or security programs.
4. The main purpose of rogue software is to trick users into purchasing fake or unnecessary software by displaying false threat alerts and warnings.
5. Worms and sweepers are not specifically associated with fake anti-virus programs or rogues. Worms are a type of self-replicating malware that spread through computer networks, while sweepers could refer to various types of software or tools used for cleaning or removing malware.
Therefore, the correct answer is C. Malware.