While loading Safari an unwanted website and multiple virus pop ups occur

today this: Last login: Thu May 16 11:51:33 on console TLast login: Thu May 16 11:51:33 on console

The default interactive shell is now zsh.

To update your account to use zsh, please run `chsh -s /bin/zsh`.

For more details, please visit https://support.apple.com/kb/HT208050.

CynthiasNewMBP:~ Cyndi[my last name]$ 

. For more details, please visit https://support.apple.c

I have gone into privacy and pop ups and restricted access. I have also deleted unrecognized apps but it keeps happening :(

Thank you.