Remove Checkup02.biz Pop-up Virus — How to Remove?

Checkup02.biz pop-up notices may appear unexpectedly, covering the subject of the website you visited or opening your web browser when you don’t desire it to be opened.

Clicking the Checkup02.biz promotion may lead to the injection of various malware or unwanted programs. In this post, you will see the guideline of Checkup02.biz popups clearing in a couple of ways, as well as inspecting your PC for additional malware presence.

It is better to prevent, than repair and repent!

Removing Checkup02.biz 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 Checkup02.biz pop-ups?

Checkup02.biz popups are a result of adware presence. Adware is a sort of malware that suggests you the pay-per-view of pay-per-click ads, which produces a large volume of profit for adware representatives. These ads may consist of sometimes shocking information, or have a link to malevolent content/website, because adware maintainers have no reason to check the goodness of the material they are going to reveal – their solitary target is cash.

Checkup02.biz push notification.

Pop-up marketing itself is a good, low-priced and also really productive marketing tool¹. It permits the seller to attach the customers’ interest to their site, as well as the buyers to receive the dynamic updates on the goods they wish to purchase. When the person will get a pop-up alert that the TV set he wishes to purchase is provided at the online store he/she checked out earlier with a 15% discount, one will undoubtedly use this opportunity and purchase it. Taking into consideration the very low cost for the popups and their targeting, such a promotion and marketing method is a much-loved thing among the marketing departments of big internet stores.

Nonetheless, such a profitable plan could not be missed by malware creators. Potential to show the popup advertisements by force to the people of malware invasion is an ideal basis for evil-minded manipulations with the popup advertisements. And Checkup02.biz ads is just one of hundreds that are “employed” in this system.

Here is a info for the Checkup02.biz

How have I got the Checkup02.biz virus?

There are a plenty of methods of becoming infected by the adware that lead to the Checkup02.biz popups storm. A lion’s part of this computer virus incidents is after the free software or cracked programs, that are spread on the peering networks. Free software can likewise be downloaded from the main site, and the adware is provided as a legit bundled program.

There is no need to blame yourself. A lot of people oftentimes make use of the unreliable programs from untrusted providers: abandonware, different tools that are free of cost, or even hacked programs. All of these types of programs are dangerous, because it is quite simple to include a Checkup02.biz malware under the guise of part of the license hacking script, or as a part of the self-made algoritm inside of the Windows optimization tool.

Checkup02.biz popup malware may also be hidden in the ad somewhere on the odd website. Such sites are in most cases packed with colorful and blinking advertisements, and their owners generally approve any promos to be posted on their web page. Thus, clicking such banners is a shot in the dark: only the advertisement provider realizes what will occur when you click this advertisement. Besides some “light” viruses, like adware or undesirable programs, you can also get something far more threatening, like ransomware or coin miner; the big share of coin miners circulation is exactly after the malicious promotions.

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

Potentially unwanted applications, like Checkup02.biz popup virus can initiate a wide range of different problems on your computer. Distracting is not the only problem – pop-up notifications may present you the ads, where you are offered to get one more strange program, or “a effective security tool”. Scareware is often spread with the use of the last motto. Potentially unwanted programs, in turn, may have spyware functions. And it is quite hard to distinguish the undesirable app from a good one, if you don’t know the exact names. Besides the PUPs and fake antiviruses, popup-related ads are also used as a spreading method by different trojan viruses, for example – coin miners. The consequences of activity of such viruses is 100% unwanted, and can cost you hundreds or even thousands of dollars. And even if you are not interacting with these advertisements, they may be clicked by whoever who also makes use of your PC – parents, children, spouse, etc. So the situation may become much more serious, and it will be much harder to solve it without information loss. It is recommended to wipe out the viruses with anti-malware applications as soon as possible.

How can I get rid of Checkup02.biz pop-up advertisements?

The manual of Checkup02.biz adware clearing contains 2 parts. First, we need to deal with the malware, and afterwards repair the effects of its activity. The removal process is pretty simple, due to the fact that it can be done even with using Microsoft Defender – security software that is present on all computers with Windows 8/10. However, as a result of its large resources usage, as well as some failures that can be crucial for some kinds of users, Defender is frequently disabled by the users, so its utilization is probably impossible. In addition, different trojan viruses are capable to disable the embedded antivirus. It is better to make use of the separated program that will not have such vulnerabilities.

I would certainly recommend you to utilize Gridinsoft Anti-Malware² – a well-proven antivirus tool that will definitely erase the viruses from your computer and also create an impenetrable shield with a Proactive protection feature. But let’s take care of Checkup02.biz adware initially.

Removing Checkup02.biz 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 Checkup02.biz 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 web browser will definitely connect the proper DNS while connecting to the website you need. Make a text file titled “hosts” on your pc’s desktop, then open it and fill it with the following lines³:

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.

However, there is one problem that makes the things a lot more difficult to fix, particularly without the anti-malware program. A lot of adware versions that are used to show you the Checkup02.biz pop-up promotions are changing the deep browser setups, disabling an access to the settings tab. So, if you try to change your browser settings after your computer was infected by pop-up-related malware, your browser will crash quickly. In certain cases, you will see no crash, however, large lag spike after pressing the “settings” key. Browser will stop reacting for ~ 30 seconds, and then it will be back to the normal, till you attempt to open settings one more time.

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 Checkup02.biz Pop-ups?

Name: Checkup02.biz

Description: Checkup02.biz - 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 Checkup02.biz push notifications?” or “why do Checkup02.biz pop-ups keep appearing on Chrome even after AdBlock installation?”. In this article we will show you how to deal with Checkup02.biz 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 overview and also the reasons why I suggest it for malware removal.
3. Official Microsoft guide for hosts file reset.