: Shift+Delete the file to bypass the Recycle Bin and run a full system scan using a reputable tool like Malwarebytes or Windows Defender. Conclusion
: Legitimate high-quality MP4 videos are usually large (hundreds of MBs). If this file is very small (under 5 MB), it is almost certainly a script or a shortcut file ( .lnk ).
: If you have already downloaded this file, do not execute or open it .