how to remove weknow.ac virus

I called Apple help. They had me install a malware cleansing program and walked me through the process. The installed program, I think is called Malware bytes, took several minutes to remove the program.

Hi, udayfromwalnut,

You might want to use this link,

Remove Weknow.ac from Safari, Chrome, or Firefox (Mac Guide)

I just found the easiest way to solve all the problems that even genius bar couldn't solve. If you already tried Malwarebytes and your chrome homepage is still 'weknow', like me, just click the 'FAQS' on the bottom of the 'weknow' page, and there's a question 'How to uninstall weknow', and there's a zip file called uninstall provided in the answer! Just download that and click! And it's all gone! It's just amazing, I can't believed I tried everything for so long and it turn out to be so easy to solve.

So many complicated methods of getting rid of Weknow!! I tried them all, and a few more as well; until I found the easiest way to get rid of it - I deleted Adobe Flash Player, which is well known for carrying piggy-backed Adware and Malware!!! In a single stroke I got rid of it!! DON'T download any more updates of this rubbish and you'll help to keep your Mac clean!!

This was posted earlier in the thread:

https://discussions.apple.com/docs/DOC-250001907

When you can't find an answer in a long thread, it is better to start a new thread to get your answer.

I have tried to create an Applescript to run the script of the Terminal commands on my software page.

http://www.macmaps.com/software.html

• links to my pages may give me compensation. Please confirm if the script behaves as intended.

Please use the manual instructions. Do not download anything.

weknow.ac uninstall

weknow.ac uninstall (2)

Thank you a lot. You saved my day!

Thank you, thank you.

Spent almost 3 hours working on this tonight and then I found you.

Thank you.

https://youtu.be/YeNBF-8qcjQ

Check out this link and follow the process

If getting rid of Adobe Flash Player doesn't work then, by all means, try ANYTHING!! Getting rid of it via Adobe Flash Player worked for me but might not work for everybody!

My mom had this virus and was unable to remove it. I was helping her and tried everything I could, plus she spoke with three Level 2 Apple techs and in the end, they could not help, but FINALLY, these instructions solved the issue. This was posted by Skanson on another post. I changed around the instructions just a bit to make them more clear. If you have tried the other stuff and cannot remove the virus try this. It has worked for me and others.

"weknow.ac" changes a group of Chrome policies so as to set a new default homepage, new tab behavior, etc. You can see your current Chrome policies by typing chrome://policy/ into your URL bar. If you're infected, it should be very obvious as the half-dozen or so policies changed by weknow will be displayed.

Use the command line to delete / modify the affected policies. You do this by opening up "Terminal" and copy and paste each of the following entries below. I did each one at a time. I copy and pasted the first line and then hit enter and then went to the next until I had finished all 6 below:

defaults write com.google.Chrome HomepageIsNewTabPage -bool false

defaults write com.google.Chrome NewTabPageLocation -string "https://www.google.com/"

defaults write com.google.Chrome HomepageLocation -string "https://www.google.com/"

defaults delete com.google.Chrome DefaultSearchProviderSearchURL

defaults delete com.google.Chrome DefaultSearchProviderNewTabURL

defaults delete com.google.Chrome DefaultSearchProviderName

Quit Chome and restart it and voila the virus will be gone. I tried everything and 3 phone calls with Apple and this was the only thing that worked.

brittier826 you responded to me but I typed the directions on how to solve this on Chrome. No need to contact Google. The directions are above. You can see how it worked for many people already and they were appreciative.

No if you follow the post it will correct the situation... Most case malware like this changes the os not the actual program The users is this forum are generally very good at helping with mac OS

Thank you so much for typing out the steps and commands. I spent the whole day clearing the we-know and it was still messing up the Chrome. I tried MalwareByte and CC something and I agree with the above that installing more stuff is adding to the confusion, and want money to fix the problem -I wouldn't know what they are doing with my Mac either. So relieved.