Question

4. Which of these malware does not need a host program?
b. Trojan
a. Virus
C. Spam
d. Worm​

Answer 1

Answer:Worms Computer worms

Computer worms are similar to viruses in that they replicate functional copies of themselves and can cause the same type of damage. In contrast to viruses, which require the spreading of an infected host file, worms are standalone software and do not require a host program or human help to propagate.

Answer 2

Worms are a standalone computer malware that doesn't need any host to spread. ... Worms replicate themselves and spread automatically with the help of network or user's email account.

Or

Computer worms are similar to viruses in that they replicate functional copies of themselves and can cause the same type of damage. In contrast to viruses, which require the spreading of an infected host file, worms are standalone software and do not require a host program or human help to propagate.