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Firefox is starting a script that is accessing a malicious website?

jandsm5321
jandsm5321
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When I start Firefox, Avast is giving me a warning that Firefox is starting a script that is trying to access the website https://boncom.demdex.net. I've tried starting Firefox with add-ons disabled and it still runs this script. None of the other web browsers do this when I open them.

Avast is calling it a HTML:Script-inf, which seems to sometimes be a false positive, but in this case I don't want anything accessing odd websites anyway, so how to I disable whatever is trying to access this website when I start Firefox?

When I start Firefox, Avast is giving me a warning that Firefox is starting a script that is trying to access the website https://boncom.demdex.net. I've tried starting Firefox with add-ons disabled and it still runs this script. None of the other web browsers do this when I open them. Avast is calling it a HTML:Script-inf, which seems to sometimes be a false positive, but in this case I don't want anything accessing odd websites anyway, so how to I disable whatever is trying to access this website when I start Firefox?

Vald lösning

It can have infected your Firefox folder

Läs svaret i sitt sammanhang 👍 0

Alla svar (3)

Diego Victor
Diego Victor
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Maybe your Firefox was infected by malwares:

You can try do a clean reinstall:

Certain Firefox problems can be solved by performing a Clean reinstall. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:

Note: You might want to print these steps or view them in another browser.

  1. Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
  2. After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
  3. Delete the Firefox installation folder, which is located in one of these locations, by default:
    • Windows:
      • C:\Program Files\Mozilla Firefox
      • C:\Program Files (x86)\Mozilla Firefox
    • Mac: Delete Firefox from the Applications folder.
    • Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory.
  4. Now, go ahead and reinstall Firefox:
    1. Double-click the downloaded installation file and go through the steps of the installation wizard.
    2. Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.

More information about reinstalling Firefox can be found here.

WARNING: Do not run Firefox's uninstaller or use a third party remover as part of this process, because that could permanently delete your Firefox data, including but not limited to, extensions, cache, cookies, bookmarks, personal settings and saved passwords. These cannot be recovered unless they have been backed up to an external device!

jandsm5321
jandsm5321 Frågans ägare
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Ah, didn't realize I could just delete the program folder and re-install it. So far it seems to have fixed the problem. Now to figure out where the bug came from...

Diego Victor
Diego Victor
more options

Vald lösning

It can have infected your Firefox folder