Which of the following type of malware tries to strong arm customers into purchasing unwanted, fake security software in order to solve non-existent problems on their machines?

Which of the following type of malware tries to strong arm customers into purchasing unwanted, fake security software in order to solve non-existent problems on their machines?

A.
Phishing Emails

B.
Grayware

C.
Ransomware

D.
Spyware