Knowing this will help me tell you if it's a security risk or a technical issue.
Configure Windows File Explorer to "Show file extensions" to reveal the true file type. 2493mp4
If this is an unexpected or suspicious file, it should be treated as a threat and scanned using security software. Protective Actions (If this is a suspicious file) Do Not Open: Avoid double-clicking the file. Knowing this will help me tell you if
Files named with double extensions, such as .mp4.exe , are typically malware designed to appear as video files while executing malicious code on Windows devices. such as .mp4.exe