Office Affair.mkv.mp4 -

Hackers use names like this so that Windows, which often hides known file extensions by default, will only show "OFFICE AFFAIR.mkv". You think you're opening a video, but you might be launching a hidden executable.

In a file with two extensions, only the last one matters to the operating system. If the full name were actually OFFICE AFFAIR.mkv.exe , your computer would run it as a program rather than playing it as a video. OFFICE AFFAIR.mkv.mp4

If you have encountered this file, follow these steps to protect your device: Hackers use names like this so that Windows,

Opening such files can lead to ransomware that encrypts your data, Trojans that steal your passwords, or malware that spreads to your contacts. 2. Safety Checklist Trojans that steal your passwords