Bing Virus
How to remove bing redirect virus from safari?
How to remove bing redirect virus from safari?
If necessary, follow the manual instructions. Do not download any other programs that are listed in the articles.
https://www.2-spyware.com/remove-bing-redirect-virus.html
I suspect you have installed adware/malware. Try running this trusted utility https://www.malwarebytes.com/mac/
Bing Virus