Appreciate the reply Monika.
Brave and Chrome both are based on Chromium - I wonder if it is a Chromium bug however I don't see reports of it.
Please run MB free - let us remove our doubt of malware as well.
Let me know if it finds anything.
Disclaimer:
The link included is a non-Microsoft website that would provide accurate and safe information. There is no need to buy paid products to fix your computers as they sometimes do more harm than good.