Question

____________ work in background & keeps on downloading other malicious programs when the system is online.

(a) DDoS-Trojan

(b) Backdoor Trojan

(c) Trojan-Banker

(d) Trojan-Downloader

This question was posed to me in examination.

Question is taken from Attack Vectors topic in section Understanding Attack Vectors of Cyber Security

Answer 1

Correct choice is (d) Trojan-Downloader

To explain: Trojan-Downloader is a special type of trojans that work secretly & keep on downloading other malicious programs when the system is online. They can also download & install new versions of malicious programs.