: A genuine video file is usually several megabytes or gigabytes. If a "video" is only a few kilobytes (KB), it is almost certainly a malicious script or executable.

: Encryption of your personal files, with attackers demanding payment for the decryption key. 3. Safety Recommendations To protect your devices from these types of threats:

: Programs that look legitimate but provide a "backdoor" for hackers to access your personal data or control your system [1, 2].