Files downloaded from untrusted sources frequently hide malware. While a movie file should ideally be a video container (like .mkv or .mp4 ), malicious actors often disguise executables ( .exe , .scr , or .bat ) as movie files or bundle them inside .zip and .rar archives alongside the video. Once executed, these files can install ransomware, keyloggers, or trojans. Legal and Regulatory Enforcement
At 720p, the encoder requires significantly fewer bits per second to achieve transparent quality (where the compressed file looks indistinguishable from the source).