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"Deals" Pop Up Ads on Google and other sites


jdod
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Today I noticed some aggressive pop up ads on my PC, mostly on google results, once they displayed all over your forum.   I have attached an image with them pictures.  The right is the pop out, the left is the ad that displays above or below sponsored ads and other places.  This is in the Google Chrome browser. I ran Malwarebytes and Super Anti Spiware and they did not find anything.  I run them both regularly.

Can you help me?

I leave town tomorrow at around noon until Sunday, just so you know if I do not reply during that time.

Thank you.

pop_up_ads.png

Edited by jdod
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Hi jdod :)

My name is Aura and I'll be assisting you with your malware issue. Since we'll be working together, you can call me Aura or Yoan, which is my real name, it's up to you! Now that we've broke the ice, I'll just ask you a few things during the time we'll be working together to clean your system and get it back to an operational state.

  • As you'll notice, the logs we are asking for here are quite lenghty, so it's normal for me to not reply exactly after you post them. This is because I need some time to analyse them and then act accordingly. However, I'll always reply within 24 hours, 48 hours at most if something unexpected happens;
  • As long as I'm assisting you on Malwarebytes Forums, in this thread, I'll ask you to not seek assistance anywhere else for any issue related to the system we are working on. If you have an issue, question, etc. about your computer, please ask it in this thread and I'll assist you;
  • The same principle applies to any modifications you make to your system, I would like you to ask me before you do any manipulations that aren't in the instructions I posted. This is to ensure that we are operating in sync and I know exactly what's happening on your system;
  • If you aren't sure about an instruction I'm giving you, ask me about it. This is to ensure that the clean-up process goes without any issue. I'll answer you and even give you more precise instructions/explanations if you need. There's no shame in asking questions here, better be safe than sorry!;
  • If you don't reply to your thread within 3 days, I'll bump this thread to let you know that I'm waiting for you. If you don't reply after 5 days, it'll be closed. If you return after that period, you can send me a PM to get it unlocked and we'll continue where we left off;
  • Since malware can work quickly, we want to get rid of them as fast as we can, before they make unknown changes to the system. This being said, I would appreciate if you could reply to this thread within 24 hours of me posting. This way, we'll have a good clean-up rhythm and the chances of complications will be reduced;
  • I'm against any form of pirated, illegal and counterfeit software and material. So if you have any installed on your system, I'll ask you to uninstall them right now. You don't have to tell me if you indeed had some or not, I'll give you the benefit of the doubt. Plus, this would be against Malwarebytes Forums's rules;
  • In the end, you are the one asking for assistance here. So if you wish to go a different way during the clean-up, like format and reinstall Windows, you are free to do so. I would appreciate you to let me know about it first, and if you need, I can also assist you in the process;
  • I would appreciate if you were to stay with me until the end, which means, until I declare your system clean. Just because your system isn't behaving weirdly anymore, or is running better than before, it doesn't mean that the infection is completely gone;
    This being said, I have a full time job so sometimes it'll take longer for me to reply to you. Don't worry, you'll be my first priority as soon as I get home and have time to look at your thread;


This being said, it's time to clean-up some malware, so let's get started, shall we? :)

Follow the instructions in the thread below, and provide me both FRST logs (FRST.txt and Addition.txt). You can attach them in your next post, or copy/paste their content.

https://forums.malwarebytes.com/topic/9573-im-infected-what-do-i-do-now/

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Thank you, Aura,

As I mentioned in my OP, I am leaving town today returning Sunday, so I won't be taking action and posting before Monday about any further efforts or steps I take, but look forward to ensuring this is resolved.

While I awaited a reply, I did take one step, I used your JRT.  The results of this are attached in the JRT.txt file generated by the tool.  SInce this may alter your advice, I wanted to let you know what I did.  The problems I was experiencing (pop ups and other ads) have seemed to go away but I also know this might be temporary and so I want to be certain I am clean.

Thank you,

Jeff

JRT.txt

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I see that you are using the Web Developer extension. Can you uninstall it and reinstall it from the Google Chrome store? The extension was hijacked last week and an update with malicious code (to show ads) was inserted in it. Version 0.5 removed that code.

https://chrome.google.com/webstore/detail/web-developer/bfbameneiokkgbdmiekhjnmfkcnldhhm

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I completely missed that you ran JRT and that solved your issue. Though JRT doesn't seems to have deleted anything related to Google Chrome that could cause these ads to appear.

DId you install anything (program, Google Chrome extension, etc.) on the day the ads started to appear?

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Alright. Well, my guess is that it was really caused by the Web Developer extension. The hijack occured on August 2nd, the same day you posted your thread because you noticed the ads, and the same day your Web Developer extension was last updated according to your FRST log.

CHR Extension: (Web Developer) - C:\Users\Jeff Dodson\AppData\Local\Google\Chrome\User Data\Default\Extensions\bfbameneiokkgbdmiekhjnmfkcnldhhm [2017-08-02]

Notice in the article below that someone installed Web Developer 0.4.9 on 10 machines, but only 2 of them produced ads. So the extension might have "broke" after running JRT, preventing it from displaying ads afterwards.

https://www.bleepingcomputer.com/news/security/chrome-extension-with-over-one-million-users-hijacked-to-serve-adware/

This is the most logical explanation in your case.

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How do I prevent stuff like this?

You can't really. The extension itself was hijacked because the developer fell for a phishing email. Chrome extensions also auto-updates. In order to "stop" that behavior, you need to change their update URL, but it means that you'll have to change it back to the right one everytime you want to update them.

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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 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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