Yahoo search engine virus

I have some kind of a worm that keeps redirecting my internet searches from my chosen engine to the yahoo search engine. I can stop it for awhile but it always returns eventually. I use a MacBook pro with OS 10.3.6 Can't find this addressed in a way that has resolved it in general on-line search (now limited to a yahoo search of course)! Help!



Posted on Sep 10, 2019 6:26 AM

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Posted on Sep 10, 2019 6:28 AM

Download and run Malwarebytes. Malwarebytes was developed by one of our own colleagues here in ASC and is about the most proven anti-malware software for Mac. All you need is the free version.

After that restart your ac and then go to Safari > Preferences > Search and choose the search engine you want.

46 replies

Jan 31, 2020 2:23 PM in response to macjack

Thank you so much! It cleared the darn virus. I suspect mine came with an "Adobe Flash download" that was disguised as "click here to download" the document I sought. Once clicked, my screen flashed with all kinds of prompts for Flash update, etc., and too fast for me to see all of them. It also changed my default safari homepage to Apple Support homepage which raised all kinds of red flags, especially not knowing if the page was even a legitimate one. This happened mid-January. While I was able to reset my defaults in safari, I only noticed yesterday that I couldn't use Google search cuz it kept redirecting me back to yahoo search...so irritating and annoying. Researching fixes returned many other "recommendations," but thankfully I found this before acting on one. This one worked for my MacPro OS X El Capitan! I also deleted the Flash Player update file that seemed to have sparked this nonsense. So, fingers-crossed going forward.

Lesson learned: if a page has too many Click Here and Download buttons, get out of there.

May 3, 2020 11:07 AM in response to duanefromri

Dear Apple team,


Actually I have a probleme of search engine that always changes to yahoo. I have read the results and fixed that as Apple team suggested some one to download Malwarebytes. I did and after restarted my MacBook Pro with Mac OS sierras. I can’t even use or search or connect to server. It shown “safari can’t connect to the server.


Before download that application I download google chrome but I can’t even open it because Unarchiver. I might delete some files. Was the problem of Unarchiver?


Please help me I can’t use my MacBook Pro. Now I use iPad to write questions.


Thanks and regards,


Suebpongsang Y.

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Yahoo search engine virus

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