Services like MEGA or MediaFire sometimes generate these strings for shared links. 2. Safety Precautions Before opening a file with a gibberish name:
Run the file through VirusTotal . Even though it has a .mp4 extension, attackers sometimes hide scripts inside media containers. k20h56k5hgk5gf .mp4
If you have verified the file is safe, use a universal media player that can handle various codecs: Services like MEGA or MediaFire sometimes generate these
If you found this in your computer's temporary files, it is likely a video advertisement or a "snippet" from a social media site you recently visited. k20h56k5hgk5gf .mp4