What is the most harmful type of computer virus?

The most hazardous kind of virus is a Trojan horse.  https://nafn.org.uk/?p=449https://cleardex.io/blog/?p=2040https://9tolife.co.uk/?p=1259 This kind of virus is developed to fool the user into believing it is a safe program or file. Once the user runs the program, the virus is installed and can begin triggering harm. Trojans can delete files, take individual information, or even take control of your computer.