Mo23.biz Ads Removal Guide — How to Fix It?

Mo23.biz pop-up notifications may appear out of the blue, covering the post of the website you explored or opening your browser when you do not desire it to be opened.

Clicking the Mo23 promotion may trigger the injection of other malware or unwanted programs. In this article, you will see the guide of Mo23 popups clearing in several ways, and also check your system for extra malware existence.

It is better to prevent, than repair and repent!

Removing Mo23 manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for threats removal. Allows to complete scan and cure your PC during the trial period.

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What are Mo23 pop-ups?

Mo23.biz popups are an effect of adware activity. Adware is a kind of malware that suggests the pay-per-view of pay-per-click promotions, which creates a massive amount of revenue for adware suppliers. These advertisements might contain sometimes shocking material, or have a web link to harmful content/website since adware maintainers have no purpose to check the goodness of the material they are going to show – their solitary target is cash.

Mo23 push notification.

Pop-up promotions itself is an excellent, low-priced and really successful marketing solution¹. It makes it possible for the vendor to link the customers’ attention to their site, and the buyers to receive the dynamic updates on the goods they wish to buy. When the person will receive a pop-up alert that the TV set he desires to buy is offered at the online store he/she saw earlier with a 15% discount, one will undoubtedly use this chance and purchase it. Taking into consideration the exceptionally low price for the popups and their targeting, such a promotion and marketing instrument is a much-loved thing among the advertising teams of large online sellers.

Nevertheless, such a profitable strategy could not be missed by virus developers. Option to demonstrate the popup ads by force to the people of malware invasion is an excellent basis for malevolent manipulations with the popup ads. And Mo23.biz ads is among hundreds that are “employed” in this system.

Here is a summary for the Mo23 site

How have I got the Mo23 virus?

There are a number of ways of becoming infected by the adware that create the Mo23 popups storm. A lion’s part of this virus incidents is after the free software or cracked programs, that are spread on the peering networks. Free software can also be downloaded from the main website, and the adware is provided as a legit bundled program.

There is no need to blame yourself. A plenty of users oftentimes use the uncertain programs from untrusted sources: abandonware, a wide range of utilities that are free, or even hacked programs. All of these kinds of applications are unsafe, because it is extremely easy to build in a Mo23 malware under the guise of part of the license hacking script, or as a component of the self-made algoritm within the Windows optimization tool.

Mo23 popup malware can likewise be concealed in the promotion somewhere on the strange website. Such websites are in most cases packed with bright and blinking ads, and their proprietors usually approve any promotions to be posted on their web page. Thus, clicking such banners is a risky thing: only the ad provider knows what will happen when you click this advertisement. Besides some “light” viruses, like adware or undesirable programs, you can likewise get something much more threatening, like ransomware or coin miner; the big share of coin miners circulation is exactly after the malicious ads.

The statistic shows that people dislike popup advertising more than other types of promotions

How can I get rid of Mo23 pop-up advertisements?

The guide of Mo23 adware elimination contains 2 sections. Initially, we need to eliminate the malware, and after that fix the effects of its activity. The elimination procedure is pretty easy, due to the fact that it can be performed even with the use of Microsoft Defender – anti-virus program that is present on all computers with Windows 8/10. However, because of its large resources usage, along with some bugs that can be pivotal for some kinds of users, Defender is oftentimes disabled by the users, so its utilization is probably impossible. In addition, a variety of trojan viruses are able to switch off the embedded antivirus. It is better to use the separated program that will not have such exposures.

I’d suggest you to utilize Gridinsoft Anti-Malware² – a well-proven security tool that will certainly remove the viruses from your personal computer and also make an impenetrable shield with a Proactive protection feature. However, let’s take care of Mo23 adware first.

Removing Mo23 popup virus with GridinSoft Anti-Malware

• Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.

• Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.

• When the scan is over, you may choose the action for each detected virus. For all files of Mo23 malware the default option is “Delete”. Press “Apply” to finish the malware removal.

Now, when the computer is clean of viruses, we can proceed to the browser reset. You can do this step manually, as well as with the use of GridinSoft Anti-Malware.

Reset browser settings to default

Manual method of browser reset

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 definitely be connected the correct DNS while connecting to the website you want. Create a text file named “hosts” on your desktop, then open it and fill it with the following content³:

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.

Nevertheless, there is one trouble that makes things a lot more difficult to restore, especially without the anti-malware program. A lot of adware versions that are used to show you the Mo23 pop-up advertisements are modifying the deep browser settings, disabling an access to the settings tab. So, if you try to change your browser settings after your system was infected by pop-up-related malware, your browser will crash quickly. In some cases, you will see no crash, however, large lag spike after pushing the “settings” key. Browser will stop responding for ~ 30 seconds, and after that it will be back to the normal, till you attempt to open settings once again.

Reset your browser settings with GridinSoft Anti-Malware

To reset your browser with GridinSoft Anti-Malware, open the Tools tab, and click the “Reset browser settings” button.

You can see the list of the options for each browser. By default, they are set up in the manner which fits the majority of users. Press the “Reset” button (lower right corner). In a minute your browser will be as good as new.

The browser reset is recommended to perform through the antivirus tool by GridinSoft, because last is also able to reset the HOSTS file without any additional commands.

How to Remove Mo23 Pop-ups?

Name: Mo23

Description: Mo23 - a lot of users became a target for the pop-up advertisements. I have a lot of friends who literally bombed me with the questions like “how to remove Mo23.biz push notifications?” or “why do Mo23.biz pop-ups keep appearing on Chrome even after AdBlock installation?”. In this article we will show you how to deal with Mo23 pop-ups, which may corrupt your browser’s correct performance, and create a lot of troubles while you are working.

Operating System: Windows

Application Category: Adware

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1. More about pop-up advertisements on Wikipedia.
2. GridinSoft Anti-Malware review and the reasons why I recommend it for malware elimination.
3. Official Microsoft guide for hosts file reset.