Question: what are types of malware?
Answer: Worms. Worms are spread via software vulnerabilities or phishing attacks. ... 
Viruses. Unlike worms, viruses need an already-infected active operating system or program to work. ... 
Bots & Botnets. ... 
Trojan Horses. ... 
Ransomware. ... 
Adware & Scams. ... 
Spyware. ... 
Spam & Phishing.