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Unkillable Helper2 extension on firefox


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Hello everybody,

 

(sorry if this is the wrong forum for the topic)

 

I have problems with an extension called helper2 on firefox and google chrome.

I have purchased Malwarebytes anti-malware few months ago and it was working fine until last couple weeks, when this seemingly unkillable extension is hijacking my browsers. At first Malwarebytes seem to catch a backdoor agent and put it in quarantine. After that, about an hour later, firefox crashes and closes. When I reopen it, most of the websites (including Malwarebytes website) have hyperlinks and pop-ups. No matter where I click, on the pages, I get redirected to another website with random ads. I scan with malwarebytes, having advanced heuristic scan ticked, rootkits as well and scan within archives. I have PUP and PUM detections to treat as malware. Malware protection and Malicious website protection are also enabled. But even though Malwarebytes detects those stuff and notifies me that it put those in quarantine, the whole thing is going through and messes up my browsers anyway.

 

My routine is to download the latest AdwCleaner, run it, scan the system and clean it. After the essential restart, everything is gone and running fine, until next day when everything comes back.

 

I don’t use anything illegal as far as I know. I don’t use torrents and I don’t visit the usual suspects of websites, known for having malware stuff.

 

I’m trying to avoid clean reinstallation of Windows 10, because I will have backup with loads of files and programs which I’ll bring back. I don’t know how deep this firefox@helper2 has rooted in my system. My backup files might bring it back.

 

I don’t know what to do anymore. Is there a way to get rid of this thing? Thanks in advance.

 

P.S. I noticed that on Chrome, the extension is visible and can be removed when it appears, with just a click. However, on Firefox it doesn’t appear anywhere.


Also, sometimes the whole thing resets my homepage another search engine called protectedio.

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  • Staff

Hello and :welcome:

 

Please download Farbar Recovery Scan Tool and save it to your desktop.

Note: You need to run the version compatible with your system. If you are not sure which version applies to your system download both of them and try to run them.
Only one of them will run on your system, that will be the right version.

  • Double-click to run it. When the tool opens click Yes to disclaimer.
  • Press Scan button. button.

    x5o4gh.png

  • It will make a log (FRST.txt) in the same directory the tool is run. Please attach it to your reply.

  • The first time the tool is run, it makes also another log (Addition.txt). Please attach it to your reply.

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  • Staff

FRST.gif Fix with Farbar Recovery Scan Tool

icon_exclaim.gif This fix was created for this user for use on that particular machine. icon_exclaim.gif


icon_exclaim.gif Running it on another one may cause damage and render the system unstable. icon_exclaim.gif

Download attached fixlist.txt file and save it to the Desktop:

Both files, FRST and fixlist.txt have to be in the same location or the fix will not work!

  • Right-click on FRST.gif icon and select RunAsAdmin.jpg Run as Administrator to start the tool.
    (XP users click run after receipt of Windows Security Warning - Open File).
  • Press the Fix button just once and wait.
  • If for some reason the tool needs a restart, please make sure you let the system restart normally. After that let the tool complete its run.
  • When finishes FRST will generate a log on the Desktop, called Fixlog.txt.

Please attach it to your reply.

fixlist.txt

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I meant the recovery tool, since when I ran the fix, with the fixlist you provided, the extension hasn't made it's appearance yet.

But anyway, so far today and yesterday after the fix, nothing malicious has appeared :D I guess you cured it.

Thank you very much! :)

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Hi all,

Same problem as MegJo. Not sure if I should start a new thread but as it is linked I assume this is a good place. AdwCleaner removes the virus and then it comes back the next day. Should I follow the same steps? I run 64-bit W7, Firefox is affected.

Thanks in advance.

B

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  • 2 weeks later...
  • Root Admin

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 thread 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. Thanks!

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