6. Displays unwanted advertisements used to generate revenue, sometimes obstructing the user through the use of pop-ups that don’t disappear when you close them.
- Viruses
- Worms
- Adware
- Rootkits
7. Perform a similar function to viruses. However, they can replicate themselves through a network to spread to other computers, rather than through infecting files that are spread.
- Adware
- Worms
- Trojans
- Viruses
