unwanted advertisement

I got those unwanted ads that just keep popping up on my pages (see pic). How do I get rid of them? I did a scan with Malwarebytes but did not find any malware. Thanks

unwanted adds
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leblancAccountingAsked:
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JohnBusiness Consultant (Owner)Commented:
I assume Internet Explorer. Go to IE, Tools, Internet Options, Advanced and do Reset. In the lower half of the Reset Window, check (select) the box to do a Full reset. This resets security settings and may reset the pop ups.  This will make you restart your computer.

After, do a full scan with your own Anti Virus and then with Malwarebytes (malwarebytes.org). I see you ran it but I am suggesting again after your own AV scan.
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leblancAccountingAuthor Commented:
I am using Firefox
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JohnBusiness Consultant (Owner)Commented:
Try resetting Firefox to default security. Usually this resets pop ups.  That and a virus scan.

I hope that helps.
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Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
I suggest you use Ghostery and then configure it to block certain items.
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leblancAccountingAuthor Commented:
It is a combination of popups and embedded ads.
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JohnBusiness Consultant (Owner)Commented:
In addition to the above (reset Firefox and scan for viruses), get Process Explorer by Microsoft and install it. Run and look down the left side tree. Are there any alphanumeric processes under Explorer?  If so, kill them, and do not restart. Scan again with Malwarebytes and allow it to remove malware. Then restart.
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Sean JacksonInformation Security AnalystCommented:
Is there any possibility someone has added code to the page, trying to generate some ad income?
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leblancAccountingAuthor Commented:
Nothing worked. I believe Firefox was hijacked by pricechop malware. Anyway, I uninstalled Firefox but it looks like the profile is still there because when I reinstall it, all the bookmarks toolbar are still there. How do I uninstall Firefox completely. Thx
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Sean JacksonInformation Security AnalystCommented:
I would rebuild the system from the beginning, starting with the OS.
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leblancAccountingAuthor Commented:
You mean reformat the HD?
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Sean JacksonInformation Security AnalystCommented:
Yes, start over.  If I had more experience with removing root kits, I'd offer my help for that.  But currently, if I am in a situation you're describing, I reformat and start over.  Restore from a backup (you back the system up, right?).
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JohnBusiness Consultant (Owner)Commented:
I tend to agree. Nothing we have suggested has worked and root kit viruses embed themselves to the point of wrecking the operating system. That is why the suggestion above to format the drive.
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leblancAccountingAuthor Commented:
I am not convinced that I have to reformat my HD. Do you know how to completely uninstall Firefox? Is there a Firefox profile stored somewhere else? Thx
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JohnBusiness Consultant (Owner)Commented:
Look in your users\username folder under local or perhaps roaming for a Firefox or Mozilla folder. There may be stuff there.

Root kit viruses can survive a non-format reinstall of Windows, putting you back where you where. So use caution there.
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leblancAccountingAuthor Commented:
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leblancAccountingAuthor Commented:
I found out that there is a profile for Firefox that needed to be deleted.
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