A type of malicious software that installs or renders advertising on a computing system to generate revenue.
Malicious software that installs another type of malware such as a virus or backdoor. Droppers are often designed to avoid detection.
A form of malware, ransomware limits or blocks users from accessing individual files or entire systems until a ransom is paid.
Malicious software that spies on the computer user, capturing keystrokes, emails, documents, or even turning on the video camera. Sometimes embedded in adware.