Adware - Extra ads that usually have other malware begin showing up in your browser.

Spyware - Watches computer activities.

Trojan - Looks like the regular program that spreads other malware or attacks the system.

Exploits - Take advantage of bugs to gain access.

Ransomware - Locks/Encrypts data in exchange for money.

Virus - Attach to other programs and replicate itself

Worms - Attach to other programs and replicate itself across an entire system.

Rootkit - Attacks admin (root) and takes control.

Keylogger- Record keystrokes, gathering passwords and other information typed.

Malicious Cryptomining- Crypto mine with your device which can be extremely expensive for you!