1. What type of malware executes arbitrary code and installs copies of itself in the memory of the infected computer? The main purpose of this malware is to automatically replicate from system to system across the network.
- trojan horse
- adware
- ransomware
- worm
Explanation: Worms replicate by sending copies of themselves across the network to other hosts.
2. What type of malware typically displays annoying pop-ups to generate revenue for its author?
- adware
- ransomware
- scareware
- phishing
Explanation: Adware causes messages to appear that direct the user to purchase a product or visit a commercial website.
3. What type of malware encrypts all data on a drive and demands payment in Bitcoin cryptocurrence to unencrypt the files?
- phishing
- scareware
- ransomware
- virus
Explanation: Ransomware will prevent access to computer systems, sometimes by encrypting device storage. Payment needs to be made to regain access to the system.
4. What type of malware attempts to convince people to divulge their personally identifable information (PII)?
- phishing
- rootkit
- ransomware
- trojan horse
Explanation: Phishing malware masquerades as a legitimate request for personal information, but actually sends that information to threat actors.