Not sure why the attachment didn't post. Here it is.

You posted the image upside down. But otherwise good work.

Many attempts are made by hackers to get into the systems of unaware users. This is why we use Firewalls and Virus Protection.

. Whenever you get a message / popup that software / files need to be updated;

DO NOT USE ANY OF THE PROVIDED LINKS

While this may be a legitimate message, it could also be Malware or a Virus. Anytime you want or need to check for upgrades, go to the website of the True Owner of the program in question. For example, to check out Firefox, go to https://www.mozilla.org {web link}

You can report such a site at; Google Report Phishing Page {web link} which is the same when done while on site by going to Help > Report Web Forgery

Help us safeguard Mozilla’s trademarks by reporting misuse {web link}

For almost a year, an epidemic of Fake Update Notices have been popping up all over the place. https://support.mozilla.org/en-US/kb/forum-response-i-found-fake-firefox-update

I've rotated the screenshot.

peddyr said

Not sure why the attachment didn't post. Here it is.

The firefox-patch.js is from fake sites triggered by some Ads (particularly on some Yahoo pages) made by scammers to try and trick inexperienced users using Firefox on Windows to download and run this file. This was not about a exploit in Firefox.

https://support.mozilla.org/en-US/kb/i-found-fake-firefox-update

Norton was just warning you about this fake firefox-patch.js file.