: Ensure "File name extensions" are visible in your system settings to spot disguised .exe files.

: Only download media and software from well-known, official platforms. Avoid clicking "Install" buttons on unfamiliar pop-up sites.

: Use a reputable tool like the Microsoft Defender scanner or upload the suspicious file to VirusTotal to check it against multiple antivirus engines.

: Software that floods your device with unwanted advertisements.

While a standard .mp4 file is a media container and not an executable, "installers" that claim to be associated with an archive or video file are highly dangerous.

There is no recognized software or official technical standard known as "fhdarchivejuq988mp4". In many cases, these types of alphanumeric strings are used by automated systems to create fake landing pages. When you search for these terms, you may find sites promising a "fast download" or an "installer," but these are often fronts for:

: Programs that look legitimate but provide hackers with backdoor access to your system.