Some malicious files are designed to appear as videos but won't play in standard players (like VLC or QuickTime). They then prompt the user to "download a specific codec" to view the content. This "codec" is almost always malware or a Trojan horse.
The "exclusive" designation in the filename suggests this content is premium material that may include: download mmsdosecomvideomp4 6383 mb exclusive
This is likely a corrupted or targeted variation of a specific web domain name (such as mmsdose.com ), often used by automated bots to generate millions of landing pages. Some malicious files are designed to appear as