Clicking on the Erewasano ad may trigger the injection of other malware or unwanted programs. In this guide, you will see the guideline of Erewasano popups clearing in several manners, and also examining your system for extra viruses presence.

What are Erewasano pop-ups?

Erewasano popups are a result of adware presence. Adware is a kind of malware that demonstrates to you the pay-per-view of pay-per-click promotions, which creates a major amount of profit for adware representatives. These advertisements may contain explicit material, or have a link to malevolent content/website, because adware maintainers have no reason to check the goodness of the web content they are going to reveal – their solitary target is cash.

Erewasano push notification.

Pop-up marketing itself is a good, affordable and very productive advertising solution¹. It permits the seller to attach the customers’ attention to their website, as well as the buyers to get the dynamic updates on the goods they intend to purchase. When the person will receive a pop-up alert that the TV set he likes to purchase is provided at the online shop he/she saw earlier with a 15% discount, one will surely use this chance and buy it. Considering the extremely low cost for the popups and their targeting, such an advertising instrument is a favourite thing amidst the advertising teams of huge internet retail stores.

Nevertheless, such a rewarding scheme could not be missed by malware creators. Potential to show the popup advertisements forcibly to the people of malware attack is an ideal basis for malicious manipulations with the popup promotions. And Erewasano.biz advertisements is one of hundreds that are “employed” in this scheme.

Site	Erewasano.biz
Hosting	AS14618 Amazon.com, Inc. United States, Ashburn
Infection Type	Adware, Push notifications, Unwanted Ads, Pop-up Ads
IP Address	52.206.71.220
Symptoms	Annoying pop-up ads in the right corner.
Similar behavior	News, Sixminutes, Pbh
Fix Tool	GridinSoft Anti-MalwareTo remove possible virus infections, try to scan your PC

How have I got the Erewasano virus?

There are a lot of ways of becoming infected by the adware that result in the Erewasano popups tornado. A lion’s part of this computer virus cases is after the free software or cracked programs, that are spread on the peering networks. Free software can likewise be downloaded from the official website, and the adware is supplied as a legitimate bundled program.

There is no need to blame yourself. A huge amount of people frequently work with the uncertain programs from untrusted sources: abandonware, a wide range of tools that are free of cost, or even hacked programs. All of these sorts of applications are unsafe, due to the fact that it is very easy to build in a Erewasano 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.

Erewasano popup malware may likewise be concealed in the advertisement somewhere on the strange site. Such web pages are in most cases packed with bright 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 shot in the dark: only the advertisement provider knows what will happen when you click this advertisement. Besides some “light” viruses, like adware or undesirable programs, you may additionally receive something far more dangerous, like ransomware or coin miner; the big share of coin miners distribution is exactly after the malicious advertisements.

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

Potentially unwanted applications, like Erewasano pop-up virus can cause a wide range of different troubles on your PC. Distracting is not the single problem – pop-up notifications may show you the promotions, where you are offered to get one more strange application, or “a effective security tool”. Scareware is usually spread under the last motto. Potentially undesirable programs, in turn, can have spyware functions. And it is pretty hard to distinguish the unwanted app from a normal one, if you don’t know the exact names. Besides the PUPs and dubious antiviruses, popup-related advertisements are also used as a distribution method by different trojan viruses, for example – coin miners. The consequences of actions of such malware is 100% unpleasant, and can cost you several hundreds of dollars. And even if you are not interacting with these promotions, they may be clicked by someone who also uses your computer – parents, children, spouse, etc. So the situation may become much more serious, and it will be much harder to solve it without data and money loss. It is recommended to eliminate the viruses with anti-malware programs as soon as possible.

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

The guide of Erewasano adware clearing includes 2 sections. First, we need to remove the malware, and then repair the results of its activity. The elimination process is very simple, since it may be executed even with using Microsoft Defender – security tool that is present on all personal computers with Windows 8/10. Nevertheless, because of its huge resources consumption, along with some defects that may be pivotal for some groups of individuals, Defender is frequently disabled by the users, so its use is likely impossible. Furthermore, a variety of trojan viruses are capable to shut off the embedded antivirus. It is far better to make use of the separated program that will not have such exposures.

I’d advise you to utilize Gridinsoft Anti-Malware² – a well-proven antivirus tool that will certainly erase the malware from your personal computer and make an impenetrable shield with a Proactive protection function. But let’s deal with Erewasano adware initially.

Download GridinSoft Anti-Malware

Removing Erewasano 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 Erewasano 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

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 :

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 :

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 :

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 make sure that your browser will definitely be connected the right DNS while connecting to the website you need. Create a text file titled “hosts” on your computer’s desktop, after that 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.

Nonetheless, there is one problem that makes things a lot more difficult to restore, specifically without the anti-malware software. Most of adware variations that are used to show you the Erewasano pop-up advertisements are modifying the deep browser configurations, disabling an access to the settings tab. So, if you try to change your browser settings after your machine was infected by pop-up-related malware, your browser will certainly collapse quickly. Sometimes, you will see no crash, but large lag spike after pushing the “settings” key. Browser will stop reacting for ~ 30 seconds, and afterwards it will be back to the normal, until you attempt to open settings 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.

References

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