Do you have on where you found this file or what you suspect might be in it? Knowing the source could help me provide more specific details!

Let their servers process the video. If it’s a virus disguised as an MP4, their scanners will likely catch it, and you won't be running the code locally on your machine.

VLC is more robust against "malformed" files that try to exploit system players like QuickTime or Windows Media Player. 5. Rename for Your Future Self

If it appeared in your "Downloads" folder after browsing a sketchy site, delete it immediately .

🔍 Found a Mystery MP4? Here’s How to Handle Randomized Files Safely