Seven distinct types of trojans $($a$)$ Remote access Trojans $($b$)$ Sending Trojans $($c$)$ Destructive Trojans $($d$)$ Proxy Trojans $($e$)$ FTP Trojans $($f$)$ Security software disable Trojans and $($g$)$ DoS Trojans are malware

Question $12$ options:

That resides in your system as an active process wreaking havoc.

That resides in your system as a benign file but can cause damage when activated