Be cautious when searching for or downloading files with this name. Files shared on P2P networks or unofficial forums often contain: Malware or Viruses: Re-named files used to deliver trojans.
Sites claiming to host the video may steal personal data. FSDSS-426-MR.mp4
The .mp4 extension indicates it is a digital video file. Be cautious when searching for or downloading files
To provide a more helpful "report," could you clarify if you are: Investigating a found on your computer? FSDSS-426-MR.mp4
If you have already interacted with a file by this name and your computer is acting strangely, run a full system scan using reputable antivirus software.