There are innumerable strains of ransomware and almost all of them could cost you a big time. However, the primary ones fall into two categories:
(i) Crypto Ransomware: Crypto ransomware enables threat actors to encrypt the data on the system, including documents, files, and more.
(ii) Locker Ransomware: Locker Ransomware locks the victims out of their system and demands a ransom to unlock the device.