Microsoft listed a phone number, so I called and she ran a scan and then told me it was a network problem and it would cost me to get it fixed. I hung up and ran my scans but I am worried, especially about my banking. I have Avast, Ccleaner and Malwarebytes.
Microsoft listed a phone number,
Was this what you did see? >> https://www.phishtank.com/phish_detail.php?phish_id=3822236
If so, it is a scam site … attach the requested logs from the guide Eddy linked to