Remove Grandocasin Pop-up Virus — How to Remove?

Grandocasin pop-up alerts may appear out of the blue, covering the content of the website you visited or opening your browser when you do not wish it to be opened.

Clicking on the Grandocasin promotion can cause the injection of other malware or unwanted programs. In this post, you will see the tutorial of Grandocasin popups clearing in several ways, and also inspecting your system for additional viruses presence.

What are Grandocasin pop-ups?

Grandocasin popups are a result of adware activity. Adware is a type of malware that presents you the pay-per-view of pay-per-click ads, which generates a significant amount of income for adware suppliers. These promotions may have explicit composition, or have a web link to malicious content/website, because adware maintainers have no reason to examine the goodness of the content they are going to show – their solitary target is cash.

Grandocasin push notification.

Pop-up marketing itself is a good, affordable and really productive advertising tool¹. It makes it possible for the seller to attach the buyers’ attention to their website, and the buyers to get the dynamic updates on the goods they want to buy. When the consumer will receive a pop-up alert that the TV set he likes to buy is available at the online store he/she checked out earlier with a 15% price cut, one will definitely use this possibility and purchase it. Taking into consideration the extremely low cost for the popups and their targeting, such a promotion and marketing tool is a favorite thing amidst the marketing teams of huge internet retail stores.

However, such a profitable system could not be missed by malware creators. Potential to show the popup advertisements forcibly to the victims of malware attack is a perfect basis for malevolent tricks with the popup advertisements. And Grandocasino.com ads is just one of hundreds that are “employed” in this system.

Here is a short info for the Grandocasin site

How have I got the Grandocasin virus?

There are a lot of ways of getting infected by the adware that create the Grandocasin popups storm. A lion’s part of this virus cases is after the free software or cracked programs, that are spread on the peering networks. Freeware can additionally be downloaded from the main website, and the adware is offered as a legit bundled program.

There is no need to blame yourself. A huge amount of users regularly use the unreliable programs from untrusted sources: abandonware, different tools that are free of cost, or perhaps hacked programs. Every one of these kinds of software are unsafe, since it is quite simple to integrate a Grandocasin malware under the cover of part of the license hacking script, or as a component of the self-made algoritm inside of the Windows optimization tool.

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

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

The manual of Grandocasin adware clearing includes 2 parts. Initially, we need to remove the malware, and afterwards correct the results of its activity. The removal procedure is really simple, because it can be executed even with making use of Microsoft Defender – anti-virus software that is available on all computers with Windows 8/10. However, due to its large resources consumption, along with some defects that can be serious for some categories of users, Defender is oftentimes disabled by the users, so its utilization is most likely impossible. Additionally, a variety of trojan viruses are able to disable the embedded antivirus. It is better to make use of the separated program that will not have such weakness.

• 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 Grandocasin malware the default option is “Delete”. Press “Apply” to finish the malware removal.

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 web browsers are reset, you need to ensure that your browser will definitely connect the accurate DNS while connecting to the site you need. Make a text file named “hosts” on your computer’s 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 the things much more difficult to fix, specifically without the anti-malware software. Most of adware variants that are utilized to show you the Grandocasin pop-up ads are changing the deep browser setups, disabling an access to the settings tab. So, if you attempt to change your browser settings after your computer was infected by pop-up-related malware, your browser will certainly collapse soon. In certain cases, you will see no crash, but large lag spike after pressing the “settings” key. Browser will stop reacting for ~ 30 secs, and after that it will be back to the normal, till you try to open settings one more time.

1. More about pop-up advertisements on Wikipedia.
2. Official Microsoft guide for hosts file reset.