Julie.mp4.mkv.mp4 -

Believing it is a movie, the user double-clicks the file. Instead of playing a video, the computer executes the .exe program, potentially installing ransomware, spyware, or trojans. 🔍 Red Flags in the File "JULIE.mp4.mkv.mp4"

.mp4 and .mkv are both video containers. There is no legitimate reason to stack them consecutively in a single file name. JULIE.mp4.mkv.mp4

A user sees the file name and immediately assumes it is a standard video file. Believing it is a movie, the user double-clicks the file

The most dangerous application of this naming convention occurs when attackers hide executable files behind harmless media extensions. Believing it is a movie

If you downloaded a file from an untrusted source, right-click it and run a scan with your antivirus software before double-clicking it.