I got a call from these guys... I managed to keep them on the line for many hours, call me back multiple times over 2 days... and make them super frustrated.
At one point they were attempting to set a password on my computer. They were using a remote control software and thought the screen was blanked, but I had worked around that. As they were typing in the password I'd type one more letter... he must have tried 15 times to enter that password and it would always error out. Each time he would type slower and slower.... so funny! Then I set the password, and I could tell they were super confused when it asked for the prior password when they tried to change it. I'd also disconnect and reconnect the network so it would make their connection bad, and generally play dumb on the phone.
I also gave them fake credit card numbers, a fake name, a fake address, and a fake western union wire transfer receipt.
In the end I let them know I had duped them. Here's the recording of that call:
https://dl.dropboxusercontent.com/u/26930986/Scammer/Final%20Call.mp3
-J