A leading underscore (e.g., _filename ) often indicates a hidden, temporary, or "in-progress" file.
You can upload the file to VirusTotal to see if it contains malicious code. 4. Broken Metadata _jugarinfomp4
If this file appeared without you downloading anything, or if your antivirus (like Malwarebytes ) flags it, do not attempt to open it. A leading underscore (e