Remove Cusj.xyz Virus — How to Fix Guide

Written by Wilbur Woodham
Cusj.xyz pop-up notices can show up unexpectedly, covering the subject of the website you visited or opening your browser when you don’t need it to be opened.

Clicking the Cusj.xyz advertisement may lead to the injection of other malware or unwanted programs. In this guide, you will see the manual of Cusj.xyz popups clearing in multiple methods, and also checking your personal computer for additional malware presence.

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What are Cusj.xyz pop-ups?

Cusj.xyz popups are a consequence of adware activity. Adware is a sort of malware that suggests you the pay-per-view of pay-per-click advertisements, which produces a large volume of revenue for adware suppliers. These promotions may contain explicit content, or have a link to harmful content/website, due to the fact that adware maintainers have no reason to check the goodness of the web content they are going to reveal – their single target is cash.

Cusj.xyz push notification

Cusj.xyz push notification.

Pop-up promotions itself is a very good, affordable and extremely productive advertising tool1. It enables the seller to attach the customers’ interest to their site, as well as the customers to get the dynamic updates on the goods they want to purchase. When the customer will get a pop-up alert that the TV set he desires to purchase is available at the online shop he/she saw previously with a 15% discount, one will certainly use this possibility and buy it. Taking into consideration the extremely low price for the popups and their targeting, such a promotion and marketing method is a favorite thing amongst the marketing departments of huge internet stores.

Nonetheless, such a profitable system could not be missed by malware developers. Potential to demonstrate the popup advertisements forcibly to the targets of malware attack is an ideal basis for evil-minded adjustments with the popup promotions. And Cusj.xyz ads is among hundreds that are “employed” in this system.

Here is a short summary for the Cusj.xyz site
SiteCusj.xyz
HostingAS13335 Cloudflare, Inc.
United States, San Francisco
Infection TypeAdware, Push notifications, Unwanted Ads, Pop-up Ads
IP Address104.21.33.181
SymptomsAnnoying pop-up ads in the right corner.
Similar behaviorGbhxtu, Rplnd25, Notificationstech
Fix Tool
To remove possible virus infections, try to scan your PC

How have I got the Cusj.xyz virus?

There are a plenty of ways of getting contaminated by the adware that result in the Cusj.xyz popups tornado. A lion’s part of this malware incidents is after the free software or cracked programs, that are distributed on the peering networks. Free software may additionally be downloaded from the main web page, and the adware is delivered as a legal bundled program.

There is no need to blame yourself. A number of users oftentimes work with the uncertain programs from untrusted providers: abandonware, a wide range of apps that are free, or even hacked programs. All of these kinds of software are unsafe, due to the fact that it is quite simple to build in a Cusj.xyz malware under the cover of part of the license hacking script, or as a part of the self-made algoritm within the Windows optimization tool.

Cusj.xyz popup virus may also be concealed in the ad somewhere on the strange site. Such sites are typically filled with colorful and blinking ads, and their owners often accept any type of promos to be placed on their web page. Therefore, clicking such banners is a risky thing: only the ad provider realizes what will occur when you press this advertisement. Besides some “light” viruses, like adware or undesirable programs, you may likewise get something a lot more risky, like ransomware or coin miner; the large share of coin miners distribution is exactly after the malicious promotions.

People dislike popups

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

Potentially undesirable applications, like Cusj.xyz popup virus may initiate a lot of different troubles on your PC. Distracting is not the only effect – pop-ups can show you the ads, where you are offered to download another unknown program, or “a perfect security tool”. Scareware is usually spread under the last motto. Potentially unwanted programs, in turn, may have spyware functions. And it is very hard to distinguish the undesirable app from a normal one, if you don’t know the exact names. Besides the potentially unwanted programs and pseudo antiviruses, popup-related advertisements are also exploited as a spreading way by various trojan viruses, for instance – coin miners. The consequences of activity of such viruses is 100% unpleasant, and can cost you several hundreds of dollars. And even if you are not tapping these advertisements, they can be clicked by someone who also uses your PC – parents, children, spouse, etc. So the things can become much more serious, and it will be much harder to deal with it without data loss. It is recommended to wipe out the viruses with anti-malware programs as soon as possible.

How can I get rid of Cusj.xyz pop-up advertisements?

The guide of Cusj.xyz adware clearing contains 2 parts. First, we need to eliminate the malware, and after that fix the effects of its action. The elimination procedure is very simple, due to the fact that it may be done even with the use of Microsoft Defender – anti-virus software that is available on all personal computers with Windows 8/10. Nevertheless, due to its significant resources utilization, as well as some problems that can be pivotal for some kinds of users, Defender is often turned off by the users, so its use is most likely impossible. Additionally, various trojan viruses can turn off the embedded antivirus. It is far better to make use of the separated program that will not have such vulnerabilities.

I would certainly advise you to use Gridinsoft Anti-Malware2 – a well-proven anti-malware tool that will definitely eliminate the malware from your system and create an impenetrable cover with a Proactive protection feature. However, let’s manage Cusj.xyz adware first.

Removing Cusj.xyz 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.
  • Gridinsoft Anti-Malware during the scan process

  • 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.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of Cusj.xyz malware the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning

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. Reseting the Edge browser

  3. 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. The first step to revert Mozilla Firefox

  3. In the next screen, find the “Refresh Firefox” option :
  4. The second step of Firefox restoration
    After choosing this option, you will see the next message :
    The last step for Firefox
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 make sure that your browser will be connected the right DNS while connecting to the website you want. Create a text file titled “hosts” on your pc’s desktop, then open it and fill it with the following text3:

# 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.

Nonetheless, there is one trouble that makes the things a lot harder to fix, specifically without the anti-malware program. The majority of adware versions that are utilized to show you the Cusj.xyz pop-up ads are modifying the deep browser setups, disabling an access to the settings tab. So, if you attempt to fix your browser settings after your computer was infected by pop-up-related malware, your browser will certainly crash quickly. Sometimes, you will see no crash, however, significant lag spike after pushing the “settings” key. Browser will stop responding for ~ 30 secs, and after that it will be back to the typical, till you try 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.

Tools tab in GridinSoft Anti-Malware

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.

Reset Browser Settings tab in GridinSoft Anti-Malware

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 Cusj.xyz Pop-ups?

Name: Cusj.xyz

Description: Cusj.xyz - 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 Cusj.xyz push notifications?” or “why do Cusj.xyz pop-ups keep appearing on Chrome even after AdBlock installation?”. In this article we will show you how to deal with Cusj.xyz 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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References

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

About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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