Help. My search engine says Google but I end up with a Chinese website

[Think. Again.]

1. I know this sounds silly, but...

...my first reaction to any phone weirdness is to shut the phone all the way off for a minute or two and start fresh.

There are a lot of malicious attempts constantly trying to get into your system all the time, some partially slip past your protections but re-booting seems to clear out the less sophisticated attacks.