If you're receiving screen recordings of the students, perhaps you can include some instructions before the test begins, that they record themselves opening whichever menu on their computer is required to show that TeamViewer is either not installed, or if it is, open it and show that there are no active connections, and then have them exit TeamViewer in a way that prevents it being connected to in the background by a friend.

I think this is a tricky problem to solve, and I don't think it'll be something you can track through Moodle logs, because it exists outside of the browser. The pricing of the three plans are shown in the below screenshot.I suspect that if the friend is remoting in and answering the questions in a browser on the student's machine, that the IP address will match the student and not the friend (though of course it's something you could test out). TeamViewer is available in 3 different plans in the name of Business License, Premium License, and Corporate License. The free version is only for private and non-commercial use only. TeamViewer is available in both paid and free versions. TeamViewer is compatible with Windows, Mac, Linux, Chrome OS, Rasberry Pi, Android, and iOS. It’s one of the great ways to help your friends with computer problems, and you will love it. Moreover, it offers you a variety of features, and you may be a bit confused with all of them in the initial stages.

It allows your technician or friend or someone who is good at computers to solve your problem remotely from his desktop. TeamViewer is a free remote desktop client for Windows, Mac, and Linux operating systems.

Using TeamViewer for remote desktop connection?.

How to use teamviewer step by step pdf