Hackers often use a trick called . A file might look like Hot Girls (266).mp4 , but its actual name could be Hot Girls (266).mp4.exe . If your computer is set to hide known file extensions, you won't see the .exe , and double-clicking it will run a program (likely malware) instead of playing a video. 3. The Risk of Malware & Scams

The name itself is a red flag. The "(266)" in parentheses is a common artifact of files that have been copied, renamed, or mass-distributed by bots. Legitimate content creators rarely name their work this way. These files are typically uploaded to free hosting sites or sent via spam to catch unsuspecting users.

Pop-ups that trick you into "allowing notifications" so they can spam your desktop with ads or fake virus alerts. How to Stay Safe Can Malware Be Hidden in Videos? - OPSWAT

While a standard MP4 file is usually just data and not executable code, attackers can use "specifically crafted" files to exploit vulnerabilities in outdated video players like VLC or Windows Media Player. Even more commonly, clicking the link to "view" the video might redirect you to: