Refund on WiFi Booster Order Supposedly related to Norton somehow

Scammer number: 18182132824
Scammer website:
Fake service they are refunding: WiFi booster
Any other scammer information: They want you to use UltraViewer to connect to your computer.
They seem to be busy. The refund amount is $350.74
i pretended to real slow and i think they caught on but they did not get angry.
Give them a try.