What type of malicious software masquerades as legitimate software to entice the user to run it?

Trojan horse

Explanation:

A Trojan horse is malicious software that masquerades as a legitimate computer program such as a video game, image file, utility program, or even an antivirus so as to entice the user to run it, thereby allowing an attackers (the developer of the malicious program) to gain access to the data on the computer in an illegal manner.

answer; (c) series 3; i believe this is the correct answer. good luck