This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

Pop up when opening FF. Malwarebytes says it's a Tojan

  • 5 amsoshi
  • 1 yana da wannan matsala
  • 4 views
  • Amsa ta ƙarshe daga Buckets

more options

When I open Firefox 75 or a new page or a link I get a Malwarebytes popup telling me website blocked due to a trojan. (see picture) However I am not trying to connect to that page it's telling me about. What I am confused with is I think it means FF is trying to connect to it but I don't know where the request is coming from. I have done in-depth scans with Malwarebytes, ESET and TDSKiller and have found nothing.

I think this stared after the last update.

When I open Firefox 75 or a new page or a link I get a Malwarebytes popup telling me website blocked due to a trojan. (see picture) However I am not trying to connect to that page it's telling me about. What I am confused with is I think it means FF is trying to connect to it but I don't know where the request is coming from. I have done in-depth scans with Malwarebytes, ESET and TDSKiller and have found nothing. I think this stared after the last update.
Hoton allon fuska da aka liƙa

Mafitar da aka zaɓa

Well CRAP...... I just installed that you tube add on in my laptop and a few others and all was well. I turned the laptop off for lunch and turned it back on and sure enough it turned out to be the YouTube down-loader. For pet's sakes....

So, the addon: YouTube Downloader by App Creator is bad.

Thanks guys.

I enjoyed problem solving when I was younger, not so much anymore. lol

Karanta wannan amsa a matsayinta 👍 0

All Replies (5)

more options

hi, i would start by uninstalling these following addons as they look suspicious and be careful about what to install in the future:

  • DuckDuckGo Maps 1.1 (ddgm@de.de)
  • Google Maps Quick Search 2.0.2 ({508ae1fb-43ac-a596-45ad-fd5eab7dea9a})
  • YouTube Downloader 1.2 ({9643ee9d-e783-40ee-9dd5-fb7219e82ea9})

you can probably remove "AdBlock — best ad blocker 4.10.0" since using more than one list-based adblocker at a time can often lead to problems.

Disable or remove Add-ons

An gyara daga philipp

more options

Hi, What do you mean by "they look suspicious"? What do you see that makes them look that way to you? Question: You said "be careful about what to install in the future" Are you saying that these addons you listed have known problems or have problems you know of? If so, they should be removed from the addon list.

Those addons have been installed for a while and have never given me any problems. Everything has been working well for a very long time so I don't see removing them will stop this popup. I did disable all the addons and it did not stop this popup. Also, I have not installed anything on the PC in over a few months except for Win10 updates and the FF update.

more options

sorry, i was just basing that by googling the addons' ids which brought up no results which is often a red flag - YouTube Downloader 1.2 seems to have gotten some negative reviews in the addons store recently though

more options

Buckets said

When I open Firefox 75 or a new page or a link I get a Malwarebytes popup telling me website blocked due to a trojan. (see picture)

When you start Firefox, is it displaying the built-in home page?

When you say opening a new page, do you mean opening a new tab displaying the built-in new tab page (Ctrl+t), or a new window showing the built-in home page (Ctrl+n)?

Assuming so: does it make any difference if you switch your home page and new tab page to a blank page? You can set that on the Options page, Home panel.

- - - - -

That wouldn't necessarily account for a problem with a link, though.

more options

Zaɓi Mafita

Well CRAP...... I just installed that you tube add on in my laptop and a few others and all was well. I turned the laptop off for lunch and turned it back on and sure enough it turned out to be the YouTube down-loader. For pet's sakes....

So, the addon: YouTube Downloader by App Creator is bad.

Thanks guys.

I enjoyed problem solving when I was younger, not so much anymore. lol