Vraymatnetprop.mse

If you are seeing vraymatnetprop.mse on your system, it is likely part of a third-party MAXScript exploit known as ALC2. While it may have originated as a copy-protection mechanism for a commercial plugin, it is now recognized by Autodesk as a malicious script that can corrupt 3ds Max settings and scene data. What it Does

3.1. Data Preparation

Training data is generated via:

The script typically hides in the user's local application data folders: vraymatnetprop.mse

Where it typically appears