This is associated with one of those SCAMS where they are supposed to be Microsoft Reps to fix your computer. They operate under a lot of names, some are actual companies but they are not affiliated. But it appears they all trace back to a company called Zooz.com in New York. They maintain an answering service number in New York, but operate out of Israel numbers they use are

212-401-2989
203-535-0676
203-535-0679
213-260-2279

Use business names such as junkwiper.com, global consulting and as of this week CTECH

Scam artists. Avoid them tried to scam my 80 yo father out of 300 dollars in a month.