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Is " firefox-patch(8).js " from cahmetodotango.com valid ? Prior updates have come with ".net" address.

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I received, on 5/9/17, a pop-up that the above patch was needed. Malwarebytes Premium would not allow installation, so I did not install. Today I noticed that prior downloads of updates came from addresses ending in ".net". The rejected patch was from an address ending in ".com". Should I use this as a flag for future purported updates ?

I received, on 5/9/17, a pop-up that the above patch was needed. Malwarebytes Premium would not allow installation, so I did not install. Today I noticed that prior downloads of updates came from addresses ending in ".net". The rejected patch was from an address ending in ".com". Should I use this as a flag for future purported updates ?

Chosen solution

. 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

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Chosen Solution

. 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