Clicking on the Mobile-shields advertisement can cause the injection of different malware or unwanted programs. In this post, you will see the guideline of Mobile-shields popups removal in multiple manners, as well as examining your system for additional viruses presence.

What are Mobile-shields pop-ups?

Mobile-shields popups are a result of adware presence. Adware is a sort of malware that demonstrates to you the pay-per-view of pay-per-click advertisements, which creates a large amount of income for adware suppliers. These advertisements may consist of explicit material, or have a web link to harmful content/website, due to the fact that adware maintainers have no purpose to inspect the goodness of the material they are going to show – their single target is money.

Mobile-shields push notification.

Pop-up advertising itself is a very good, cheap and also really productive marketing solution¹. It enables the vendor to attach the customers’ attention to their site, and the buyers to get the dynamic updates on the goods they intend to buy. When the consumer will receive a pop-up notification that the TV set he wishes to purchase is offered at the online store he/she checked out earlier with a 15% price cut, one will undoubtedly use this possibility and get it. Considering the exceptionally low price for the popups and their targeting, such an advertising and marketing method is a favourite thing amongst the advertising departments of huge online retail stores.

Nevertheless, such a profitable scheme could not be missed by malware creators. Potential to show the popup advertisements by force to the targets of malware attack is a perfect basis for evil-minded manipulations with the popup advertisements. And Mobile-shields.com ads is one of hundreds that are “employed” in this system.

Site	Mobile-shields.com
Hosting	AS59253 Leaseweb Asia Pacific pte. ltd. Singapore, Singapore
Infection Type	Adware, Push notifications, Unwanted Ads, Pop-up Ads
IP Address	23.106.248.15
Symptoms	Annoying pop-up ads in the right corner.
Similar behavior	Tumgir, Kekonu, Myquiztionnaire
Fix Tool	GridinSoft Anti-MalwareTo remove possible virus infections, try to scan your PC

How have I got the Mobile-shields virus?

There are a lot of methods of getting contaminated by the adware that cause the Mobile-shields popups storm. A lion’s part of this computer virus cases is after the freeware or cracked programs, that are spread on the peering networks. Free software may additionally be downloaded from the main web page, and the adware is provided as a legit bundled program.

There is no need to blame yourself. A number of individuals often utilize the unreliable programs from untrusted providers: abandonware, various utilities that are free, and even hacked programs. All of these sorts of applications are risky, because it is extremely easy to include a Mobile-shields malware under the guise of part of the license hacking script, or as a component of the self-made algoritm within the Windows optimization tool.

Mobile-shields popup malware can also be hidden in the ad somewhere on the strange site. Such web pages are generally full of colorful and blinking advertisements, and their owners typically accept any kind of promotions to be published on their page. Hence, clicking on such banners is a risky thing: only the advertisement contractor knows what will occur when you click this advertisement. Besides some “light” viruses, like adware or unwanted programs, you may likewise receive something much more risky, like ransomware or coin miner; the big share of coin miners distribution is exactly after the malicious promotions.

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

Potentially undesirable programs, like Mobile-shields pop-up virus may initiate a wide range of different problems on your PC. Distracting is not the single problem – pop-ups may show you the advertisements, where you are offered to get one more unknown program, or “a effective security tool”. Scareware is usually spread under the last slogun. Potentially unwanted applications, in turn, may have spyware functionality. And it is very hard to distinguish the unwanted app from a normal one, if you don’t know the exact names. Besides the potentially unwanted programs and dubious antiviruses, popup-related banners are also used as a distribution method by different trojan viruses, for example – coin miners. The consequences of actions of such viruses is 100% unpleasant, and can cost you hundreds of dollars. And even if you are not clicking these promotions, they may be clicked by someone who also uses your PC – parents, children, spouse, etc. So the things may become much more serious, and it will be much harder to deal with it without data loss. It is recommended to get rid of the viruses with antivirus programs as soon as possible.

How can I get rid of Mobile-shields pop-up advertisements?

The manual of Mobile-shields adware removal consists of 2 parts. Initially, we need to exterminate the malware, and afterwards correct the results of its action. The removal process is pretty easy, because it can be done even with the use of Microsoft Defender – anti-virus software that is available on all personal computers with Windows 8/10. However, due to its substantial resources usage, as well as some errors that can be serious for some kinds of individuals, Defender is frequently disabled by the users, so its usage is likely impossible. What’s more, a wide range of trojan viruses are able to shut off the embedded antivirus. It is far better to use the separated program that will not have such exposures.

I’d suggest you to use Gridinsoft Anti-Malware² – a well-proven anti-malware device that will definitely erase the malware from your computer and also create an impenetrable cover with a Proactive protection feature. However, let’s take care of Mobile-shields adware initially.

Download GridinSoft Anti-Malware

Removing Mobile-shields 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 Mobile-shields 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 web browsers are reset, you need to ensure that your browser will be connected the proper DNS while connecting to the site you want. Make a text file named “hosts” on your pc’s desktop, after that open it and fill it with the following content³:

# 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 harder to restore, especially without the anti-malware software. A lot of adware variations that are used to show you the Mobile-shields pop-up promotions are altering the deep browser configurations, disabling an access to the settings tab. So, if you try to fix your browser settings after your computer was penetrated by pop-up-related malware, your browser will crash soon. In certain cases, you will see no crash, but huge lag spike after pressing the “settings” key. Browser will stop responding for ~ 30 secs, and then it will be back to the typical, up until 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.

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.