How to remove Onemacusa.net pop-ups? — Fix Guide

Written by Wilbur Woodham
Onemacusa.net pop-up notices may show up out of the blue, covering the content of the website you explored or opening your browser when you do not need it to be opened.

Clicking the Onemacusa.net ad can result in the injection of various malware or unwanted programs. In this guide, you will see the guide of Onemacusa.net popups removal in several methods, as well as inspecting your computer for other malware presence.

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What are Onemacusa.net pop-ups?

Onemacusa.net popups are an outcome of adware presence. Adware is a kind of malware that suggests you the pay-per-view of pay-per-click advertisements, which produces a large amount of revenue for adware distributors. These promotions may include sometimes shocking composition, or have a link to harmful content/website, since adware maintainers have no reason to examine the goodness of the material they are going to show – their solitary target is money.

Onemacusa.net push notification

Onemacusa.net push notification.

Pop-up advertising itself is a very good, cheap and also extremely effective marketing solution1. It allows the seller to link the customers’ interest to their website, as well as the buyers to receive the dynamic updates on the goods they want to buy. When the consumer will receive a pop-up alert that the TV set he desires to buy is offered at the online shop he/she saw previously with a 15% price cut, one will surely use this chance and purchase it. Considering the very low cost for the popups and their targeting, such an advertising instrument is a much-loved thing among the marketing teams of large online stores.

However, such a rewarding plan could not be missed by virus developers. Option to show the popup advertisements forcibly to the victims of malware invasion is an ideal basis for evil-minded tricks with the popup advertisements. And Onemacusa.net ads is one of hundreds that are “employed” in this system.

Here is a summary for the Onemacusa.net site
SiteOnemacusa.net
HostingAS14618 Amazon.com, Inc.
United States, Ashburn
Infection TypeAdware, Push notifications, Unwanted Ads, Pop-up Ads
IP Address52.21.125.181
SymptomsAnnoying pop-up ads in the right corner.
Similar behaviorFree, Windows, Bestfaustcaptcha
Fix Tool
To remove possible virus infections, try to scan your PC

How have I got the Onemacusa.net virus?

There are a plenty of ways of getting infected by the adware that result in the Onemacusa.net 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 number of individuals frequently work with the unreliable programs from untrusted sources: abandonware, a wide range of apps that are free, or perhaps hacked programs. All of these kinds of software are dangerous, because it is extremely simple to integrate a Onemacusa.net malware under the cover of part of the license hacking script, or as a component of the self-made algoritm within the Windows optimization tool.

Onemacusa.net popup malware may also be hidden in the promotion somewhere on the odd web page. Such websites are typically full of intense and blinking advertisements, and their owners generally permit any promos to be placed on their page. Hence, clicking such banners is a shot in the dark: only the ad contractor knows what will occur when you press this advertisement. Besides some “light” viruses, like adware or undesirable programs, you may likewise get something much more dangerous, like ransomware or coin miner; the big share of coin miners circulation 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 Onemacusa.net pop-up virus may initiate a lot of problems on your computer. Distracting is not the only effect – pop-ups can display you the ads, where you are offered to download another unknown program, or “a effective security tool”. Scareware is usually spread with the use of the last slogun. Potentially unwanted programs, in turn, can have spyware functionality. And it is pretty hard to distinguish the unwanted app from a good one, if you don’t know the exact names. Besides the potentially unwanted programs and dubious antiviruses, popup-related advertisements are also chosen as a spreading method by different trojan viruses, for instance – coin miners. The consequences of activity of such viruses is 100% unpleasant, and can cost you hundreds of dollars. And even if you are not tapping these ads, they can be clicked by whoever who also makes use of your personal computer – parents, children, spouse, etc. So the things can become much more serious, and it will be much harder to deal with it without information loss. It is recommended to remove the viruses with anti-malware applications as soon as possible.

How can I get rid of Onemacusa.net pop-up advertisements?

The tutorial of Onemacusa.net adware removal consists of 2 sections. First, we need to eliminate the malware, and afterwards take care of the effects of its activity. The elimination process is very simple, due to the fact that it can be done even with using Microsoft Defender – anti-malware software that is present on all personal computers with Windows 8/10. Nevertheless, because of its huge resources consumption, along with some bugs that may be serious for some groups of users, Defender is often turned off by the users, so its utilization is likely impossible. Furthermore, a variety of trojan viruses have the ability to disable the embedded antivirus. It is much better to make use of the separated program that will not have such vulnerabilities.

I’d recommend you to use Gridinsoft Anti-Malware2 – a well-proven security device that will certainly erase the malware from your computer and create an impenetrable shield with a Proactive protection feature. But let’s take care of Onemacusa.net adware initially.

Removing Onemacusa.net 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 Onemacusa.net 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 browsers are reset, you need to ensure that your web browser will definitely be connected the accurate DNS while connecting to the site you want. Make a text file titled “hosts” on your computer’s desktop, then open it and fill it with the following lines3:

# 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.

Nevertheless, there is one issue that makes things a lot more difficult to repair, specifically without the anti-malware program. A lot of adware variations that are used to show you the Onemacusa.net pop-up promotions are adjusting the deep browser configurations, disabling an access to the settings tab. So, if you try to change your browser settings after your system was penetrated by pop-up-related malware, your browser will certainly collapse soon. In some cases, you will see no crash, however, significant lag spike after pushing the “settings” key. Browser will stop reacting for ~ 30 secs, and afterwards it will be back to the normal, until you try to open settings once more.

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 Onemacusa.net Pop-ups?

Name: Onemacusa.net

Description: Onemacusa.net - 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 Onemacusa.net push notifications?” or “why do Onemacusa.net pop-ups keep appearing on Chrome even after AdBlock installation?”. In this article we will show you how to deal with Onemacusa.net 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 review and also the reasons why I advise it for malware removal.
  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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