Could you tell me or what happens in the video ? That would help me track down the specific "guide" or context you're looking for.
You can use a tool like ExifTool to see the "Date Created" or "Software" tags, which might tell you exactly which app or camera generated the name "3453453451b." 4. Searching for the Content 3453453451b.mp4
If you downloaded this file from an untrusted source, run it through VirusTotal before opening. While .mp4 files are generally safe, they can occasionally exploit vulnerabilities in outdated media players. Could you tell me or what happens in the video