Match each malware with their main feature. $1.$ It does not require user intervention to infect other computers $2.$ It is presented as legit software and$/$or having useful functionalities $3$; It can record key strokes and send them to the threat actor $4.$ It takes advantage of a vulnerability to compromise a system A$.$ Browser modifiers B$.$ Exploit C$.$ Trojan D$.$ Potentially unwanted software E$.$ Ransomware F$.$ Worm G$.$ Keylogger