I seem to have picked up a bug that is placing ads all over my web-pages, even the apple-store page. Can anybody recommend the best anti-virus and malware for a iMac running Yosemite?
iMac with Retina 5K display, OS X Yosemite (10.10.2)
Click here and follow the instructions, or if there’s a type of adware not covered by them on the computer, these ones. If you're willing to use a tool to remove it(you don't need to, but may find it easier), you can instead run Adware Medic; this link is a direct download.
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Anti-virus and anti-malware won't help, because adware is not considered either one. I realize you probably have a different opinion, as do about 99.999% of Mac users.
For a description of how this may have occurred, how to avoid it in the future, and for Apple's recommended actions read How to install adware. Apple's instructions are linked in the Recovery Procedure near the end of that document. Read and follow them carefully. Pay particular attention to the easily overlooked passages directing you to restart your Mac when required.
removing malware, adware from iMac
