Merry AntiSpy Exploit Spoofers Worm - Version 1.3.78 Merry AntiSpy Exploit Spoofers Worm - The term rootkit is used to define a Trojan (or technology) used to hide the presence of a malicious object (process, file, registry key, network port) from the computer user or administrator. Removing rootkits without compromising system integrity is particularly challenging and needs to be done with care. Merry AntiSpy Exploit Spoofers Worm finds and removes any rootkit that is hidden on your computer.