how to remove weknow.ac from safari

You are welcome.

Go back into safari preferences to general, go to homepage and put in clear we know to google.com

Go back into safari preferences click general, scroll down to homepage and type in google.com

That does nothing. Each time I do that it swaps it back with weknow.ac browser/search bar

This profile reference worked for me. Thank you!

No problem; I'm glad it worked!

Thank you. So far, this worked!!

This is where I was getting stuck. I removed everything and changed the default search engine, but each time I opened up a new tab it went to the malware version. Resetting in the general page solved that problem. Thanks!

The problem is that the weknow malware creates an alternate profile that will keep changing the search engine. I got this from Malwarebytes and it worked for me:

To remove this, open System Preferences, then click the Profiles icon. You should see either two or three different items listed. One of them appears to be legitimate, but the other two (they may be combined into one entry) are not. You can identify which is bad by looking at the information for each profile. The bad entry (or entries) will say "com.myshopcoupon" somewhere, and should also refer to "weknow.ac". Any such entries should be removed. Leave the profile that refers to "com.Infomaniak", as I believe that one is legitimate.

After removing the profile, you'll need to fix the home page settings.

I had tried removing profile and it was able to fix my search engine settings restore back to Google in chrome but its homepage which I am unable to figure out. Both Safari and Chrome homepage or on New Tab opens weknow.ac search bar page.

I contacted Apple Support Chat just now with an Advisor, and it was fairly simple to resolve.

1) First, search for Malwarebytes and download it (it's legitimate, don't worry!). Install it, and run "Scan".

2) After it's finished scanning, don't click anything on Malwarebytes yet. Clear all history and data on *all* of your web browsers. Check Extensions, too (e.g. click on upper left "Safari", on the drop-down menu click "Preferences", then go to "Extensions"), and make sure nothing on there is suspicious, or that you don't remember having installed.

3) Quit your web browsers, then click "Confirm", and Malwarebytes will remove the detected threats for you. Just to be sure, you can double check by scanning again, after it deletes the threats. It should say "Congratulations, all clear!" or something of that sort.

The best way to also check that it's really gone - and this is for Chrome users - is to check Chrome homepage and see if it still says "Search". I tried so many different methods before, but this time it really went away!

This was the homepage that I kept on getting:

Then I removed it from Safari and uninstalled Chrome because it wouldn't disappear of Chrome. But just today, my desktop showed me this and got me alerted:

After you scan on Malwarebytes, it should look something like this:

Good luck to everybody!!! If all else fails, make sure you contact Apple Support.