Yes, you can easily find if someone is scamming you or not but it is bit harder to find who are they or where are those guys from. Easiest way to do this is ask them. If you ask this while he is working on your pc sometimes he will tell you real information. Next way is send them a link that will log there ip. So you can lookup there ip. Best website to do this is https://grabify.link There are many sites like this. If you know some good ones tell us about them. There are many techniques to track a scammer. If you know some don't forget to tell us !