Upload the file to VirusTotal . It will scan the file using over 70 different antivirus engines to see if it contains malicious code. 3. How to Properly Play/Convert (If Safe)
Below is a guide on how to handle this file safely and why you should be cautious. 1. Identify the Risk: The Dual Extension Trap Bad_Intention_2.mkv.mp4
A high-quality movie file is usually hundreds of megabytes or several gigabytes. If this file is very small (e.g., 1MB to 50MB), it is almost certainly a virus or a downloader, not a video. Upload the file to VirusTotal
VLC is designed to handle "broken" or oddly named files. Right-click the file, select Open With , and choose VLC . How to Properly Play/Convert (If Safe) Below is
If you have verified the file is safe and it truly is just a poorly named video file:
The file includes .mkv (a video format) to make you think it is a movie.