This exact naming format ( video_YYYY-MM-DD_HH-MM-SS.mp4 ) is the default for videos saved from Telegram .
A typical video should be several megabytes. If it's tiny (under 100KB) but ends in .mp4 , it could be a masked script.
On July 18, 2021 , several notable events were trending globally:
The aftermath of the Euro 2020 (which ended July 11) and buildup to the Tokyo Olympics (starting July 23) meant many highlight reels were being shared. 2. How to "Analyze" the Video Yourself
Look for landmarks, street signs, or language on posters within the video to narrow down the geographic location. 3. Safety Warning If you received this file from an unknown source:
Run the file through VirusTotal before playing it to ensure it hasn't been bundled with malicious code.
Massive flooding in Germany and Belgium was reaching its peak, with many viral videos showing cars being swept away.