Danger level 6

Mozilla Firefox Critical Error

If you are using the Mozilla Firefox web browser, you might become a victim of the Mozilla Firefox Critical Error scam. The same kind of scam – however, with a different name – is likely to be introduced to users of other browsers as well, and so it would be a mistake to just assume that you are safe if you are using, for example, Google Chrome or Internet Explorer. On top of that, there are plenty of other scams that you could face, including Wannacry Detected Scam or Critical Security Warning! Scam. At the time of our research, the webpage representing the scam discussed in this report was no longer active, but we have to warn that schemers are quick to set up new scam pages and even adjust the scams themselves to ensure that users are bombarded in new and undiscovered ways. All in all, all security alerts represented via unfamiliar pages should not be taken seriously, and if you follow this rule of thumb, you should be able to detect fake alerts immediately. To learn more – including how to remove Mozilla Firefox Critical Error scam alert – continue reading.

The fictitious Mozilla Firefox Critical Error warning used to be represented via http://0x00381136100.bid, but this page has already been reported and taken down. When it was still active, it represented a misleading alert suggesting that a “Trojan Virus” allegedly active on your operating system has attempted to gain access to your logins and personal information. While we cannot guarantee that malware capable of stealing data and hijacking your virtual accounts does not exist, we can guarantee that no “Trojan Virus” exists on your operating system. At the bottom of the message, a fake helpline number was represented. The same number would then show up via a pop-up suggesting that an error by the code “0xKB1546764” was supposedly discovered. If you are introduced to an alert like this right now or if you face anything like it in the future, the first thing you need to do is close your browser to remove the fake alert. If the scam notification paralyzes the browser, you can restart the PC. Whatever you do, do NOT call the bogus helpline number. If you do that, schemers could trick you into disclosing personal data or even exposing your operating system to malware and cyber criminals.

If you were exposed to the misleading Mozilla Firefox Critical Error scam, it is most likely that you were redirected to a malicious page representing this scam. How could have this happened? Do you remember clicking a link or an advertisement right before the redirecting occurred? If you do, it is likely that you encountered a corrupted redirect link. You could also experience redirecting if you land on unreliable websites. There is one more scenario we have to consider, and that one involves malware. There is always a possibility that you could be redirected to random pages by an infection that is active on your operating system. If that is the case, you want to find and remove it as soon as possible. We suggest employing a trusted malware scanner, and you will soon find out if you need to delete Mozilla Firefox Critical Error scam-related malware.

What if malware does not exist? If that is the case, you should not face Mozilla Firefox Critical Error again after you close the malicious webpage representing this scam alert. Of course, you should not leave things like that. Instead of ignoring the fact that you were exposed to a scam, you should reset your browser and clear browsing data. You do not want to have any traces (e.g., tracking cookies) of this scam left behind, and that is exactly what you can take care of by following the instructions below. Another thing you should take care of is protecting your operating system, which reliable anti-malware software can handle the best. Needless to say, we advise installing it as well if malware is detected because this software can ensure automated removal. Do you now know what to do to delete Mozilla Firefox Critical Error scam? Hopefully, you do, but if you still have questions, our research team is here to assist you. Add all questions to the comments area below.

Mozilla Firefox Critical Error Removal

Google Chrome:

  1. Open the browser and tap keys Alt+F.
  2. Select Settings, scroll down, and click Advanced.
  3. Scroll down and then click Reset to reset the browser.
  4. Tap Ctrl+Shift+Delete and select the time range and the right boxes.
  5. Click CLEAR BROWSING DATA and then restart the browser.

Mozilla Firefox:

  1. Open the browser and tap keys Alt+H.
  2. In the Help menu click Troubleshooting information.
  3. Click Refresh Firefox to reset the browser.
  4. Tap Ctrl+Shift+Delete and select the time range and the right boxes.
  5. Click Clear Now and then restart the browser.

Internet Explorer:

  1. Open the browser and tap keys Alt+T.
  2. Select Internet options and then click the Advanced tab.
  3. Click Reset, mark Delete personal settings, and then click Reset again.
  4. Tap Ctrl+Shift+Delete and select the right boxes.
  5. Click Delete and then restart the browser.
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