How do I remove this virus: HEUR:Trojan.msib.crypt.gen
installed the latest upgrade of FireFox and this virus was installed. I can not remove it. What needs to be done?
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- User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:69.0) Gecko/20100101 Firefox/69.0
It sounds like you:
Found a fake Firefox update https://support.mozilla.org/en-US/kb/i-found-fake-firefox-update
You will need to:
Troubleshoot Firefox issues caused by malware https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware?cache=no
Then do a Clean Install:
Note: A clean install will not delete your bookmarks, saved passwords, add-ons or other personal information. This information is stored separately in your profile folder.
Here's how to do a clean install of Firefox:
Uninstall Firefox from your computer.
Delete the Firefox installation folder (located in one of these folders by default): C:\Program Files\Mozilla Firefox C:\Program Files (x86)\Mozilla Firefox
(If you have one - run a Registry cleaner)
Restart your computer.
Download a fresh copy of Firefox at https://www.mozilla.org/en-US/firefox/new/?utm_campaign=footer&utm_medium=referral&utm_source=support.mozilla.org (There is a link to get Firefox in a different language, if you like.)
Double-click on the downloaded file and follow the prompts to continue the installation process.