Qr-captcha Notification Removal — How to Fix Your Browser

Qr-captcha pop-ups appear out of the blue, disturbing and irritating you. Still, they are way more than simple pop-up ads – their essence is clearly malicious, and they can introduce other malicious stuff to your system. In this article, I will guide you on how to remove Qr-captcha pop-up advertisements and explain how to avoid them in the future.

Any interaction with Qr-captcha pop-up advertisements will be useless at best. At worst, the websites it can throw you to can introduce malware to your system. These pop-up advertisements can also advertise fake shopping websites which will take your money and payment info. The latter generally ends up with losing all the money you have on the exposed card.

What are Qr-captcha pop-up advertisements?

As the pop-up definition goes, these are short and small advertisements that attract your attention to a product they promote. But the difference between regular pop-up notifications and Qr-captcha notifications is the malicious origins of the latter. Normal pop-up advertisements are offered for you to enable with a legitimate purpose – keep you aware about the fresh articles, discounts and so on. It is a useful thing to help your site to keep visitors and help the interested users to have the best price.

Short summary of the Qr-captcha.com pop-up ads:

Qr-captcha pop-up ads, in contrast, have a deal with untrustworthy sites. You will commonly observe the proposition to turn them on after a redirection from another page. There’s nothing bad in redirecting unless they throw you into such a questionable place. In this case, turning on pop-up ads is served as the anti-DDoS check-up. Alternatively, the sites may deny showing you the contents unless you apply these push notifications. These theses should already be the red flag, as sites usually have a more convenient anti-bot mechanism. Seeing such an requirement should be the reason to skip the website doubtlessly. Sometimes, even after clicking “Allow”, you will not see the website – it has only a landing page with the offer to turn on the pop-up advertisements.

How does it work?

The majority of web browsers support enabling pop-ups from websites. Sites, on the other hand, can send notifications with the content they want. It may be a promotion of the product or a page published on this site, as well as an ad of the page of their partner. As a result, you can see the push notification from site X, but interacting with it will redirect you to website Y – because a link to the latter was added.

Crooks rely on this feature in their approach to gain money using illegal advertising. They trick victims into allowing the pop-ups, and then just spread hundreds of ads of anyone they have a deal with. As you can suppose, no normal organisations will contract with fraudsters. All the Qr-captcha popups you can see lead to other fraudulent sites. At some point, the same victim may get into a trap of several pop-up spamming sites, and its browser will turn into a complete mess.

The ads these crooks show are paid under the pay-per-view model. It commonly provides a miserable payment for one viewer, but when you have hundreds of users and make it hundreds of times each day – that is a way bigger sum. Even though most of such banners are ineffective, it may still bring all the parties a lot of profit.

Are Qr-captcha pop-up ads dangerous?

Yes, they are. At the surface, they may look harmless – just a colourful pop-up that appears from time to time. However, the contents of this window differ drastically from what you used to see in pop-ups. Qr-captcha.com web page is controlled by fraudsters, who deliberately throw hundreds and thousands of irrelevant ads in pop-ups. They also never follow any common sense and can make sporadic push notifications into a hurricane of promotions. For weak systems, that may be enough to cause performance issues. But troubles are not over at this point.

As with any other thing that touches illegal advertising, Qr-captcha pop-ups don’t have legit deals to offer. Even when crooks make the banners looking similar to ones from well-known retailers, the web page these ads will throw you to are completely different. And these pages may offer you to turn on other pop-ups, install a “useful” program, or pay for a thing at a big discount and never receive it. Let’s leave aside the cases when pop-up ads promote phishing pages or straightforward malware. There’s no way these pages will bring you any good, thus interacting with them is a very bad idea. For the same reason, Qr-captcha pop-up notifications are not recommended to click on either, and the best solution is to disable them as soon as possible.

How to remove Qr-captcha pop-ups?

Initially, you should reset your browser settings. You can do that in manual or automated way. The former, obviously, requires more time to complete and can be somewhat complicated if you have never done that. Automated supposes the use of anti-malware programs that can reset all browser settings at once.

Reset your browsers manually

To reset Edge, do the following steps:

1. Open “Settings and more” tab in upper right corner, then find here “Settings” button. In the appeared menu, choose “Reset settings” option:

2. After picking the Reset Settings option, you will see the following menu, stating about the settings which will be reverted to original:

For Mozilla Firefox, do the next actions:

1. Open Menu tab (three strips in upper right corner) and click the “Help” button. In the appeared menu choose “troubleshooting information”:

2. In the next screen, find the “Refresh Firefox” option:

After choosing this option, you will see the next message:

If you use Google Chrome

1. Open Settings tab, find the “Advanced” button. In the extended tab choose the “Reset and clean up” button:

2. In the appeared list, click on the “Restore settings to their original defaults”:

3. Finally, you will see the window, where you can see all the settings which will be reset to default:

Opera can be reset in the next way

1. Open Settings menu by pressing the gear icon in the toolbar (left side of the browser window), then click “Advanced” option, and choose “Browser” button in the drop-down list. Scroll down, to the bottom of the settings menu. Find there “Restore settings to their original defaults” option:


2. After clicking the “Restore settings…” button, you will see the window, where all settings, which will be reset, are shown:

When the browsers are reset, you need to ensure that your browser will connect the right DNS while connecting to the website you need. Create a text file titled “hosts” on your pc’s desktop, then open it and fill it with the following lines²:

Find the hosts.txt file in C:/Windows/System32/drivers/etc directory. Rename this file to “hosts.old.txt” (to distinguish it from the new one), and then move the file you created on the desktop to this folder. Remove the hosts.old from this folder. Now you have your hosts file as good as new.

Scan your system for possible viruses

Once the scan is complete, you will see the detections or a notification about a clean system. Proceed with pressing the Clean Up button (or OK when nothing is detected).

1. Official Microsoft guide for hosts file reset.