Who called from 3168306064

Keeps calling and not leaving a message.

Keeps calling.

seven calls in two days, don't know the number and haven't answered.  No voice mail left

Same thing several calls in two days, don't know the number and haven't answered.  No voice mail left

I got a call from this number on a weekly basis. I do not answer and they do not leave a voicemail. Today I was annoyed so I answered the phone and a fella with an Indian accent tried to tell me that he was from Windows Corporation and needed to help me get viruses off my computer. This is complete liesthis,  is fraud, do not answer.