Before you interact with Trest12.rar , ask yourself these questions:

First, a quick refresher. A is a Roshal Archive. Think of it like a digital suitcase. It takes large files and squishes them down so they are easier to send over the internet. To see what’s inside, you need a program like WinRAR or 7-Zip to "unpack" it. Identifying "Trest12.rar"

If it’s supposed to be a "high-def video" but the file is only 200KB, it’s almost certainly a script or a virus. How to Safely Inspect the File