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Firefox popup malware


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Hello @BlaK     :welcome:

Let me suggest one simple, easy scan with the Malwarebytes Adwcleaner to check for adwares, just in case.

Be sure you close all web browsers before you click on the "Scan" button on this next procedure.

I  would suggest to download, Save, and then run Malwarebytes ADWCLEANER.

Please close Chrome and all other open web browsers after you have saved the Adwcleaner and before you start Adwcleaner scan.

Adwcleaner  detects factory Preinstalled applications too!


Please download  Malwarebytes AdwCleaner  https://downloads.malwarebytes.com/file/adwcleaner

Be sure to Save the file first, to your system.  Saving to the Downloads folder should be the default on your system.


Go to the folder where you saved Adwcleaner. Double click Adwcleaner  to start it.

At the prompt for license agreement, review and then click on I agree.


You will then see a main screen for Adwcleaner. ( if you do not see it right away, minimized the other open windows, so you can see Adwcleaner).

Then click on Dashboard button.

Click the blue button "Scan Now".


allow it a few minutes to finish the Scan.   Let it remove what it finds.

NOTE:  When it comes to the section "

Pre-installed applications


You can skip that.

Please find and send the Adwcleaner "C" clean report.

In Adwcleaner, click the "Reports" button.  Look at the list of reports for the latest date & type "Clean".

Double Click that line & it will open in Notepad.   Save the file to your system and then Attach that with your reply.


That C clean report will be the one with the most recent Date and time at folder  C:\AdwCleaner\Logs

Thanks.  Keep me advised.

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That is a nice cleanup.   Thank you for the report.  You did not mention about the situation after the completion of the run.   Any repeat issue ?

At this point, I have 2 suggestions.

[    1     ]

To clear the Cache in Firefox .....while Firefox is running ... that is to say, that it is opened and in the foreground.

Press & hold SHIFT+CTRL+Del keys  on keyboard to get menu for history & cache

at the top of the mini-window ,  be sure you pick "Everything"  in the top line "Time range to clear:.

Check mark the box  "Browsing  & download history"

Check mark the box "Cache"

and press OK button.

[     2     ]

I would suggest to install the Malwarebytes Browser Guard for Firefox onto your Firefox browser.

To get & install the Malwarebytes Firefox Browser Guard  extension. 

Then proceed with the setup. 

Once installed, you will see the Malwarebytes logo appear to the right of your Firefox Browser search bar indicating it is installed.

User Guide for Malwarebytes Browser Guard can be found here: https://support.malwarebytes.com/docs/DOC-3446

The Malwarebytes Browser Guard will keep your browser away from dodgy sites.

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Glad we could help.

If you need this topic reopened, please send a Private Message to any one of the moderating team members. Please include a link to this topic with your request.

This applies only to the originator of this thread. Other members who need assistance please start your own topic in a new thread.

Please review the following for Tips to help protect from infection

Thank you



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