Android ransomware refers to malicious software designed to target Android operating systems and restrict users' access to their devices or data until a ransom is paid. Ransomware is a type of malware that encrypts or locks files on a victim's device, making them inaccessible, and then demands a ransom in exchange for restoring access.
Android ransomware typically spreads through malicious apps or websites that deceive users into downloading or visiting them. Once installed on a device, the ransomware takes control and encrypts files, rendering them unusable. The user is then presented with a ransom note, usually demanding payment in cryptocurrency, such as Bitcoin, within a specified timeframe. The note often includes instructions on how to make the payment and may threaten to delete the files permanently if the ransom is not paid.
There are three methods which usually used by hackers for this purpose: