License-check-av.site pop-ups that you can see while surfing the Internet are the result of a malware infection that resides within your browser. Such pop-ups emerge in ample quantities, distracting and annoying you.
The majority of the pop-ups from License-check-av.site site are irrelevant, as it presents any advertising elements it gets a contract for. Given that numerous websites promoted in this way are not legitimate, it is apparent to anticipate them to feature malicious content. Specifically, they can expose you to various forms of web frauds.
What are License-check-av.site pop-ups?
By some of the characteristics, License-check-av.site pop-ups are comparable to standard pop-ups you may encounter on legit sites. However, all the distinction – and harmfulness – originates from this exact website. Pages like License-check-av.site are often established with just one intention – to offer unsuspecting users to enable pop-ups and then start spamming them.
Brief summary of the License-check-av.site pop-up ads:
| Name | License-check-av.site |
| IP Address | Not resolved |
| Malware type | Adware 1 |
| Effect | Unwanted pop-up advertisements |
| Hazard level | Medium |
| Malware source | Apps from third-party websites, ads on dubious websites |
| Similar behavior | Flowcorezone, Cfruflowmindk, Novavaultcore |
| Removal method |
To remove possible virus infections, try to scan your PC
|
Ads by the License-check-av.site site are not legit either. At best, those will be entirely unrelated ads, that will still be annoying taking into account the frequency. However, more common cases include advertisements of mysterious deals with 90% discount, adult web pages ads or phishing attempts. Presented here are some of the classic patterns for pop-up notifications spam:
- You have a new message on Facebook/Twitter/WhatsApp *link to a phishing copy of the site*
- There are 5 (10,20,50) women near you that wish to chat with you
- Collect your 90% discount coupon on this new, totally not scam shopping site
- Get a huge crypto bonus for signing in on this new crypto exchange website
- Your PC is infected with 15(any number up to 100) viruses, scan your system urgently/contact our tech support
- Use this extremely effective system cleaner to speed up your PC
Due to the illegal marketing model of License-check-av.site, no authentic corporations will actually employ their advertisement services. Instead, the complete spectrum of matters I’ve named above is managed by the same scammy persons as those who are behind License-check-av.site. Occasionally, upon clicking to the pop-up promotion, you might be thrown to another page that proposes activating pop-up advertisements. The activity of several origins of pop-ups can transform your web browser into an pathway of a pop-up surge.
Where did License-check-av.site pop-ups come from?
The main and most widespread method to access the pop-up spamming site is to browse content on warez sites, pages containing pirated content, and similar platforms. The persons responsible for such uncertain venues aim to counterbalance expenses via redirects, often as a promotion tactic. This type of redirection is commonly known as an “anti-bot verification”.
A further plausible origin of pop-up advertisements is adware, currently active inside your system. It alters browser settings in a manner so it begins displaying License-check-av.site pop-ups without your knowledge. However, this scenario is relatively uncommon, as such malware employs its own, more efficient approach to showcasing advertisements.
Are License-check-av.site pop-up advertisements dangerous?
Yes, they are. At the surface, they can look non-threatening – just a blinking pop-up that appears a couple times in an hour. However, the things this window promotes differ drastically from what you used to see in pop-up ads. License-check-av.site web page is controlled by fraudsters, who intendedly show tons of malicious ads in pop-ups. They also never follow any manners of advertising and can make sporadic push notifications into a storm of banners. For weak computers, that may be enough to cause performance issues. But that is not all problems these pop-up ads carry.

As with any other thing related to illegal advertising, License-check-av.site pop-up advertisements don’t have legit deals to offer. Even when hackers make the banners looking similar to ones from Amazon, Walmart or Ebay, the web page these banners 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, License-check-av.site pop-ups are not recommended to click on either, and the best solution is to disable them as soon as possible.
How to remove License-check-av.site pop-ups?
Reset your browsers manually
To reset Edge, do the following steps:
- Open “Settings and more” tab in upper right corner, then find here “Settings” button. In the appeared menu, choose “Reset settings” option:
- 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:
- Open Menu tab (three strips in upper right corner) and click the “Help” button. In the appeared menu choose “troubleshooting information”:
- In the next screen, find the “Refresh Firefox” option:

After choosing this option, you will see the next message:
If you use Google Chrome
- Open Settings tab, find the “Advanced” button. In the extended tab choose the “Reset and clean up” button:
- In the appeared list, click on the “Restore settings to their original defaults”:
- 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
- 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:
- 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 web page you need. Create a text file titled “hosts” on your pc’s desktop, then open it and fill it with the following lines2:
# Copyright (c) 1993-2006 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host
# localhost name resolution is handle within DNS itself.
# 127.0.0.1 localhost
# ::1 localhost
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).
References
- Official Microsoft guide for hosts file reset.

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