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Firefox on my Mac has a virus. I trashed it and reinstalled but still have the problem. How do I fix this?

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A PC on my network got malware especially on Firefox. My Mac got it on Firefox. Ran Malwarebytes on both. Firefox still has issues. Do I need to kill extensions?

A PC on my network got malware especially on Firefox. My Mac got it on Firefox. Ran Malwarebytes on both. Firefox still has issues. Do I need to kill extensions?

Additional System Details

Installed Plug-ins

  • Adobe® Acrobat® Plug-in for Web Browsers, Version 11.0.11
  • Amazon MP3 Downloader Plugin 1.0.17
  • The Google Earth Plugin allows you to view 3D imagery and terrain in your web browser.
  • Displays Java applet content, or a placeholder if Java is not installed.
  • Office Live Update v1.0
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • Microsoft Office for Mac SharePoint Browser Plug-in
  • Shockwave Flash 21.0 r0
  • Webalive Web Plugin
  • iPhoto6

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:48.0) Gecko/20100101 Firefox/48.0

More Information

Seburo
  • Top 10 Contributor
  • Moderator
780 solutions 5707 answers

Hi

I would certainly recommend updating your copy of Firefox, if not to Firefox Quantum then to the more recent ESR version (Firefox 52 ESR from here).

Further to this, I recommend that you have a read of this article with further information on Firefox issues caused by malware and how to resolve them.

Hi I would certainly recommend updating your copy of Firefox, if not to Firefox Quantum then to the more recent ESR version (Firefox 52 ESR from [https://www.mozilla.org/en-US/firefox/organizations/ here]). Further to this, I recommend that you have a read of this [https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware article] with further information on Firefox issues caused by malware and how to resolve them.