Remove Defense-fordesktop Virus — How to Fix Guide

Defense-fordesktop pop-up notifications may appear unexpectedly, covering the post of the website you explored or opening your browser when you do not desire it to be opened.

Clicking the Defense-fordesktop promotion may trigger the injection of different malware or unwanted programs. In this guide, you will see the guideline of Defense-fordesktop popups clearing in multiple manners, as well as examining your personal computer for extra viruses existence.

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What are Defense-fordesktop pop-ups?

Defense-fordesktop popups are a result of adware activity. Adware is a type of malware that demonstrates to you the pay-per-view of pay-per-click advertisements, which generates a substantial volume of profit for adware distributors. These advertisements might include sometimes shocking content, or have a link to harmful content/website, since adware maintainers have no reason to inspect the goodness of the web content they are going to show – their solitary target is money.

Defense-fordesktop push notification

Defense-fordesktop push notification.

Pop-up promotions itself is an excellent, affordable and extremely successful marketing tool1. It permits the seller to attach the buyers’ interest to their website, as well as the buyers to receive the dynamic updates on the goods they intend to buy. When the person will receive a pop-up notification that the TV set he wishes to buy is offered at the online shop he/she checked out earlier with a 15% price cut, one will undoubtedly use this opportunity and buy it. Considering the exceptionally small cost for the popups and their targeting, such an advertising and marketing instrument is a much-loved thing amongst the marketing teams of large online stores.

Nonetheless, such a profitable strategy could not be missed by virus developers. Option to show the popup ads forcibly to the targets of malware attack is an ideal basis for malicious tricks with the popup ads. And Defense-fordesktop.com ads is one of hundreds that are “employed” in this system.

Here is a info for the Defense-fordesktop site
SiteDefense-fordesktop.com
HostingAS59253 Leaseweb Asia Pacific pte. ltd.
Singapore, Singapore
Infection TypeAdware, Push notifications, Unwanted Ads, Pop-up Ads
IP Address23.106.248.15
SymptomsAnnoying pop-up ads in the right corner.
Similar behaviorPorptogred, Gajist, Goadszone
Fix Tool
To remove possible virus infections, try to scan your PC

How have I got the Defense-fordesktop virus?

There are a huge amount of methods of getting contaminated by the adware that cause the Defense-fordesktop popups storm. A lion’s part of this computer virus instances is after the free software or cracked programs, that are spread on the peering networks. Freeware may additionally be downloaded from the official site, and the adware is provided as a legal bundled program.

There is no need to blame yourself. A plenty of users often utilize the unreliable programs from untrusted providers: abandonware, a wide range of tools that are free of cost, or perhaps hacked programs. All of these types of programs are risky, since it is very easy to integrate a Defense-fordesktop malware under the guise of part of the license hacking script, or as a component of the self-made algoritm inside of the Windows optimization tool.

Defense-fordesktop popup malware can likewise be concealed in the promotion somewhere on the unusual web page. Such sites are typically loaded with intense and blinking ads, and their proprietors usually approve any kind of promotions to be placed on their page. For this reason, clicking such banners is a shot in the dark: only the ad contractor realizes what will occur when you press this ad. Besides some “light” viruses, like adware or undesirable programs, you can additionally get something much more threatening, like ransomware or coin miner; the large share of coin miners distribution is exactly after the malicious ads.

People dislike popups

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

Potentially undesirable applications, like Defense-fordesktop pop-up virus may provoke a variety of different problems on your PC. Distracting is not the only effect – pop-up notifications may present you the promotions, where you are offered to download one more strange program, or “a effective security tool”. Scareware is often distributed with the use of the last motto. Potentially undesirable programs, in turn, may have spyware functionality. And it is very hard to distinguish the undesirable app from a good one, if you don’t know the exact names. Besides the potentially unwanted programs and fake antiviruses, popup-related promotions are also exploited as a spreading way by various trojan viruses, for example – coin miners. The consequences of actions of such malware is 100% unwanted, and can cost you hundreds of dollars. And even if you are not clicking these ads, they may be clicked by someone who also uses your computer – parents, children, spouse, etc. So the things may become much more serious, and it will be much harder to deal with it without data and money loss. It is recommended to eliminate the viruses with antivirus applications as soon as possible.

How can I get rid of Defense-fordesktop pop-up advertisements?

The tutorial of Defense-fordesktop adware removal contains 2 sections. Initially, we need to get rid of the malware, and after that correct the results of its activity. The removal task is very easy, due to the fact that it may be executed even with making use of Microsoft Defender – security tool that is available on all personal computers with Windows 8/10. However, due to its significant resources usage, along with some failures that can be pivotal for some categories of individuals, Defender is frequently disabled by the users, so its use is most likely impossible. In addition, a variety of trojan viruses are able to switch 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 antivirus device that will surely eliminate the malware from your personal computer and create an invulnerable shield with a Proactive protection feature. However, let’s handle Defense-fordesktop adware first.

Removing Defense-fordesktop 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 Defense-fordesktop 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 ensure that your browser will definitely connect the appropriate DNS while connecting to the site you want. Make a text file titled “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.

Nevertheless, there is one issue that makes the things much more difficult to fix, particularly without the anti-malware program. The majority of adware versions that are used to show you the Defense-fordesktop pop-up ads are adjusting the deep browser setups, disabling an access to the settings tab. So, if you attempt to fix your browser settings after your PC was penetrated by pop-up-related malware, your browser will certainly collapse quickly. In certain cases, you will see no crash, but large lag spike after pressing the “settings” key. Browser will stop responding for ~ 30 secs, and then it will be back to the normal, up until you attempt 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 Defense-fordesktop Pop-ups?

Name: Defense-fordesktop

Description: Defense-fordesktop - 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 Defense-fordesktop.com push notifications?” or “why do Defense-fordesktop.com pop-ups keep appearing on Chrome even after AdBlock installation?”. In this article we will show you how to deal with Defense-fordesktop 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 ads on Wikipedia.
  2. GridinSoft Anti-Malware review and the reasons why I suggest 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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