Question

A type of virus that performs a useful task
while simultaneously allowing destructive
task is in computer system​

Answer 1

Answer:

the answer is Trojans

Explanation:

they seem usefull to us but do harm to computer

Answer 2

Answer:

Unlike viruses, however, Trojan horses don't replicate themselves. Though it is possible for a Trojan horse to be attached to a virus file that spreads to multiple computers.

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