You work as a Network Administrator for Infosec Inc. You find that not only have security applicationsrunning on the server, including software firewalls, anti-virus programs, and anti- spyware…

You work as a Network Administrator for Infosec Inc. You find that not only have security applicationsrunning on the server, including software firewalls, anti-virus programs, and anti- spyware programsbeen disabled, but anti-virus and anti-spyware definitions have also been deleted. You suspect thatthis situation has arisen due to malware infection. Which of the following types of malware is the mostlikely cause of the issue?