Did you recently install any program or browser extension?
Did you recently allow push notifications?
Do you run browser sync?
What DIY have you tried?
Please run Norton Full Scan & Malwarebytes Scan.
Were my machine and I wanted reassurance.
I’d ask Malwarebytes Malware Removal Help Forums to check my machine.
Malwarebytes offers free second opinion on-demand scanner.
Malwarebytes offers free self-help guides.
Malwarebytes offers free one-on-one malware removal assistance.
Malwarebytes staff & experts help all. Malwarebytes subscription is not required.
How to install and run a scan with Malwarebytes
https://malwaretips.com/blogs/run-a-scan-with-malwarebytes/
Malware Removal Self-Help Guides
Malware Removal Self-Help Guides - Malwarebytes Forums
Malwarebytes Malware Removal Help Forums
https://forums.malwarebytes.com/forum/108-malware-removal-help/
Malware Removal Help Forums dedicated to cleaning infected devices. Get personalized help removing adware, malware, spyware, ransomware, trojans, viruses and more from tech experts.