ransomware – n. a term used for a specific type of software that locks up files or access to a computer until money is paid.
bug – n. a problem that prevents a computer program or system from working properly
decrypt – v. to change secret messages, documents, etc. from a set of letters, numbers, symbols, etc., you cannot understand into words you can understand
encrypt – v. to change information from one form to another, especially to hide its meaning
fee – n. an amount of money that must be paid
scam – n. a dishonest way to make money by deceiving people