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Is this a valid Firefox Patch? Firefox-patch.JS which is JScriptFile(2.6kb) from http://Biwiisdectur.org

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Pop-up while using Firefox

Pop-up while using Firefox

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No - Mozilla doesn't "patch" Firefox, it issues updates via a .mar file and it is always from a mozilla.org domain.

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

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Chosen Solution

No - Mozilla doesn't "patch" Firefox, it issues updates via a .mar file and it is always from a mozilla.org domain.

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