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What IS this? "Urgent Firefox Update"


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While on several different "legitimate" newspaper sites, the sites have been redirected without warning to this screen:

The url at the top is different each time, but is never anything with Mozilla or Firefox in the title. A box will pop up prompting to "update now."

I am running MWB Anti-Malware Premium and Avast, but neither has alerted when this occurs.

Does anyone know what this is and should I be concerned?

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:welcome:

Thanks for the screen capture.  Yes, it is extremely odd.  The url is wholly odd.

Please keep in mind several shortcut key sequences to use on the keyboard to square things & get rid of the rogue tab-window.

Press and hold ALT key & tap the F4 function key to Close the tab.  Repeat if needed.

and when in Firefox, use SHIFT + CTRL +Delete keys to start the dialog and select to delete all cache.

 

Then get set to check your version of Mozilla Firefox.  Select HELP from the Firefox menu bar and then HELP & then pick About Firefox.

Then follow the dialog and prompts.

The latest FF version is 48.0.1  from Mozilla.

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When I checked on Mozilla's site, it said I was running the most current version, but I went through the process to upgrade anyway.

After doing that, I went to two of the news sites that had triggered that screen before, and did not have it occur again.

So...thank you and if it reoccurs, I'll be back! :)

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Please be careful where you surf !

Do take pro-active steps to tighten up your web browsers.  Look and apply all these tips.

Go into the Options ( settings) of Internet Explorer  ( and any other web browser you have).
Make sure that the POPUP blocker is ON.
Set the option on for rejecting (decline) 3rd-party cookies.

And in addition to all that:
Use a good browser extension ( add on) ad blocker.  If your pc has no ad blocker add-on for your browser(s), I would suggest uBlock Origin.
For Mozilla Firefox, use the Mozilla page at this link
https://addons.mozilla.org/addon/ublock-origin/

For Google Chrome, see
https://chrome.google.com/webstore/detail/ublock-origin/cjpalhdlnbpafiamejdnhcphjbkeiagm

For Internet Explorer browser:
https://adblockplus.org/en/internet-explorer

For Opera browser, see
https://addons.opera.com/en-gb/extensions/details/ublock/

*ALSO this too*
To help totally block these types of  "popups" I would recommend to *only use Firefox browser* that also has the addon for
*NoScript Suite Lite.*
and just only use that when surfing the web.
Tips and how to's for Noscript suite are on this page link
http://mybrowseraddon.com/noscript-lite.html

We have a free version Malwarebytes Anti-Exploit (MBAE) that protects against exploit attacks in your browsers and Java, and a paid version that also protects additional applications such as MS Office.
https://downloads.malwarebytes.org/file/mbae_current/

I would recommend you install the Anti-Exploit in free use mode.   ( that is, if you do not have it from before).


I wish you well.

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