How to remove Defertank.com pop-ups [Chrome, Firefox, IE, Edge]

Every time, when you surf the World Wide Web with your web browser the Defertank.com pop-ups offering install Demoney extension keeps annoying you? Then most probably that you have an adware (sometimes named ‘ad-supported’ software) installed on your PC. The adware can end up on your PC system in various ways. In most cases is when you download and install free programs and forget to uncheck the box for the bundled software installation. Don’t panic because we have got the solution. Here’s a guidance on how to remove unwanted Defertank.com pop-up from the Chrome, Mozilla Firefox, MS Edge and Microsoft Internet Explorer and other web browsers.

Technically, the ‘ad supported’ software is not a virus, but it does bad things, it generates a lot of pop-up. It may download and install on to your system other harmful and undesired applications without your permission, force you to visit misleading or harmful web sites. Moreover, the adware can install web browser hijacker. Once installed, it’ll change your web browser setting like homepage, new tab and default search engine with an annoying page.

In addition to that, as was mentioned earlier, some adware to also alter all web-browsers shortcuts that located on your Desktop or Start menu. So, every affected shortcut will try to reroute your web-browser to annoying ad web-pages like Defertank.com, certain of which might be malicious. It can make the whole personal computer more vulnerable to hacker attacks.

It’s important, do not use Defertank.com site and don’t install any extensions offered by it, as they can lead you to a more malicious or misleading web-sites. The best option is to use the few simple steps posted below to clean your machine of adware and thus remove Defertank.com pop-ups.

Remove Defertank.com pop-up (removal instructions)

There are a few ways which can be used to delete Defertank.com pop up. But, not all PUPs like this ad supported software can be completely uninstalled utilizing only manual solutions. Most often you are not able to remove any adware utilizing standard Windows options. In order to remove Defertank.com pop-ups you need complete a few manual steps and run reliable removal utilities. Most IT security specialists states that Zemana Anti-Malware, MalwareBytes Free or AdwCleaner utilities are a right choice. These free programs are able to detect and delete Defertank.com pop ups from your computer and revert back your web-browser settings to defaults.

To remove Defertank.com, perform the steps below:

1. Remove Defertank.com pop-ups without any utilities
   • Remove ad supported software through the Microsoft Windows Control Panel
   • Remove Defertank.com redirect from FF
   • Remove Defertank.com popups from Google Chrome
   • Remove Defertank.com pop-up from Internet Explorer
   • Remove unwanted Scheduled Tasks
   • Fix infected web-browsers shortcuts to delete Defertank.com redirect
2. Defertank.com pop ups automatic removal
   • Scan and clean your web browser of Defertank.com pop ups with Zemana Anti-malware
   • How to automatically get rid of Defertank.com with Malwarebytes
   • If the problem with Defertank.com pop ups is still remained
3. Block Defertank.com pop-ups and other unwanted pages
4. How can you prevent your personal computer from the attack of Defertank.com pop-ups
5. To sum up

Remove Defertank.com pop-ups without any utilities

The following instructions is a step-by-step guide, which will help you manually remove Defertank.com pop-ups from the Mozilla Firefox, Chrome, IE and Edge.

Remove ad supported software through the Microsoft Windows Control Panel

First, you should try to identify and uninstall the program that causes the appearance of undesired ads or web browser redirect, using the ‘Uninstall a program’ which is located in the ‘Control panel’.

Carefully browse through the list of installed applications and remove all dubious and unknown apps. We recommend to click ‘Installed programs’ and even sorts all installed software by date. After you’ve found anything dubious that may be the adware that cause intrusive Defertank.com pop-up to appear or other potentially unwanted application (PUA), then select this program and press ‘Uninstall’ in the upper part of the window. If the questionable program blocked from removal, then run Revo Uninstaller Freeware to fully get rid of it from your machine.

Remove Defertank.com redirect from FF

If your Firefox web browser is rerouted to Defertank.com without your permission or an unknown search engine opens results for your search, then it may be time to perform the browser reset.

First, launch the Firefox. Next, press the button in the form of three horizontal stripes (). It will open the drop-down menu. Next, press the Help button ().

In the Help menu press the “Troubleshooting Information”. In the upper-right corner of the “Troubleshooting Information” page click on “Refresh Firefox” button as on the image below.

Confirm your action, click the “Refresh Firefox”.

Remove Defertank.com popups from Google Chrome

Reset Chrome settings is a easy way to remove the browser hijacker infections, harmful and ‘ad-supported’ extensions, as well as to restore the web-browser’s newtab page, homepage and search engine by default that have been modified by adware which created to reroute your browser to various ad sites like Defertank.com.

1. First, run the Chrome and click the Menu icon (icon in the form of three dots).
2. It will show the Google Chrome main menu. Choose More Tools, then press Extensions.
3. You will see the list of installed extensions. If the list has the plugin labeled with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following instructions: Remove Chrome extensions installed by enterprise policy.
4. Now open the Chrome menu once again, click the “Settings” menu.
5. Next, click “Advanced” link, that located at the bottom of the Settings page.
6. On the bottom of the “Advanced settings” page, press the “Reset settings to their original defaults” button.
7. The Google Chrome will display the reset settings prompt as on the image above.
8. Confirm the web-browser’s reset by clicking on the “Reset” button.
9. To learn more, read the blog post How to reset Google Chrome settings to default.

Remove Defertank.com pop-up from Internet Explorer

By resetting Microsoft Internet Explorer browser you restore your internet browser settings to its default state. This is good initial when troubleshooting problems that might have been caused by ad supported software that responsible for the appearance of Defertank.com redirect.

First, start the Microsoft Internet Explorer, then click ‘gear’ icon . It will display the Tools drop-down menu on the right part of the web browser, then click the “Internet Options” as displayed below.

In the “Internet Options” screen, select the “Advanced” tab, then press the “Reset” button. The Microsoft Internet Explorer will display the “Reset Internet Explorer settings” prompt. Further, click the “Delete personal settings” check box to select it. Next, click the “Reset” button as displayed below.

After the process is complete, click “Close” button. Close the Internet Explorer and restart your personal computer for the changes to take effect. This step will help you to restore your web-browser’s start page, newtab page and search provider by default to default state.

Remove unwanted Scheduled Tasks

If the annoying Defertank.com web site opens automatically on Windows startup or at equal time intervals, then you need to check the Task Scheduler Library and remove all the tasks which have been created by ‘ad-supported’ program.

Press Windows and R keys on your keyboard together. It will show a dialog box that titled with Run. In the text field, type “taskschd.msc” (without the quotes) and press OK. Task Scheduler window opens. In the left-hand side, click “Task Scheduler Library”, like below.

In the middle part you will see a list of installed tasks. Select the first task, its properties will be open just below automatically. Next, click the Actions tab. Necessary to look at the text which is written under Details. Found something such as “explorer.exe http://site.address” or “chrome.exe http://site.address” or “firefox.exe http://site.address”, then you need delete this task. If you are not sure that executes the task, then google it. If it is a component of the unwanted software, then this task also should be removed.

Further click on it with the right mouse button and select Delete as on the image below.

Repeat this step, if you have found a few tasks that have been created by ‘ad-supported’ applications. Once is finished, close the Task Scheduler window.

Fix infected web-browsers shortcuts to delete Defertank.com redirect

Once the adware is started, it can also modify the web-browser’s shortcut files, adding an argument such as “http://site.address” into the Target field. Due to this, every time you run the web-browser, it will open an annoying site.

Right click on the shortcut of infected web-browser as displayed below.

Select the “Properties” option and it’ll open the shortcut file’s properties. Next, click the “Shortcut” tab and then delete the “http://site.address” string from Target field as shown in the following example.

Then click OK to save changes. Repeat the step for all internet browsers that are rerouted to the Defertank.com intrusive page.

Defertank.com pop ups automatic removal

Many antivirus companies have created software that help detect adware and thereby remove Defertank.com from the Chrome, Internet Explorer, Firefox and MS Edge internet browsers. Below is a a few of the free applications you may want to use. Your PC system can have a lot of PUPs, adware and hijacker infections installed at the same time, so we recommend, if any unwanted or malicious program returns after rebooting the PC system, then boot your computer into Safe Mode and run the anti malware tool again.

Scan and clean your web browser of Defertank.com pop ups with Zemana Anti-malware

Zemana Anti-malware is a tool that can remove adware, potentially unwanted applications, browser hijackers and other malicious software from your computer easily and for free. Zemana Anti-malware is compatible with most antivirus software. It works under Windows (10 – XP, 32 and 64 bit) and uses minimum of PC system resources.

Please go to the following link to download the latest version of Zemana Anti Malware for Windows. Save it on your Microsoft Windows desktop or in any other place.

When the downloading process is finished, close all programs and windows on your machine. Double-click the setup file named Zemana.AntiMalware.Setup. If the “User Account Control” dialog box pops up like below, click the “Yes” button.

It will open the “Setup wizard” which will help you setup Zemana on your PC system. Follow the prompts and do not make any changes to default settings.

Once installation is done successfully, Zemana AntiMalware (ZAM) will automatically start and you can see its main screen as shown on the image below.

Now click the “Scan” button to scan for adware that causes web browsers to display annoying Defertank.com pop-ups. Depending on your system, the scan can take anywhere from a few minutes to close to an hour. While the Zemana AntiMalware program is checking, you can see number of objects it has identified as threat.

When Zemana Anti-Malware has completed scanning your computer, you will be opened the list of all detected threats on your computer. Review the report and then press “Next” button. The Zemana Free will begin to get rid of adware that responsible for browser redirect to the annoying Defertank.com site. When disinfection is done, you may be prompted to reboot the system.

How to automatically get rid of Defertank.com with Malwarebytes

We suggest using the Malwarebytes Free that are completely clean your machine of the ad-supported software. The free tool is an advanced malware removal program made by (c) Malwarebytes lab. This program uses the world’s most popular anti-malware technology. It is able to help you delete unwanted Defertank.com pop ups from your browsers, potentially unwanted software, malware, browser hijackers, toolbars, ransomware and other security threats from your personal computer for free.

Please go to the link below to download MalwareBytes. Save it to your Desktop so that you can access the file easily.

After the download is complete, close all software and windows on your system. Double-click the install file named mb3-setup. If the “User Account Control” prompt pops up as displayed on the image below, click the “Yes” button.

It will open the “Setup wizard” which will help you install MalwareBytes AntiMalware (MBAM) on your system. Follow the prompts and do not make any changes to default settings.

Once install is finished successfully, click Finish button. MalwareBytes Anti-Malware will automatically start and you can see its main screen as shown in the following example.

Now click the “Scan Now” button for checking your personal computer for the adware related to Defertank.com redirect. Depending on your personal computer, the scan can take anywhere from a few minutes to close to an hour. While the utility is scanning, you may see count of objects and files has already scanned.

As the scanning ends, the results are displayed in the scan report. When you’re ready, click “Quarantine Selected” button. The MalwareBytes will begin to remove ad-supported software which developed to reroute your browser to various ad web sites like Defertank.com. Once finished, you may be prompted to restart the PC system.

We recommend you look at the following video, which completely explains the procedure of using the MalwareBytes Anti-Malware (MBAM) to delete ‘ad supported’ software, hijacker and other malicious software.

If the problem with Defertank.com pop ups is still remained

AdwCleaner is a completely free utility. You do not need expensive solutions to delete adware that responsible for web-browser redirect to the unwanted Defertank.com site and other shady software. AdwCleaner will remove all the undesired applications such as ‘ad supported’ software and browser hijackers at zero cost.

Visit the page linked below to download AdwCleaner. Save it to your Desktop so that you can access the file easily.

Download and run AdwCleaner on your system. Once started, click “Scan” button to perform a system scan with this utility for the adware responsible for Defertank.com pop up. Depending on your machine, the scan can take anywhere from a few minutes to close to an hour. When a malware, adware or potentially unwanted apps are found, the count of the security threats will change accordingly. Wait until the the checking is finished.. After the scan get completed, you’ll be opened the list of all detected items on your system. Once you’ve selected what you want to remove from your PC, click Clean button.

All-in-all, AdwCleaner is a fantastic free utility to clean your computer from any undesired programs. The AdwCleaner is portable program that meaning, you do not need to install it to use it. AdwCleaner is compatible with all versions of Windows operating system from Microsoft Windows XP to Windows 10. Both 64-bit and 32-bit systems are supported.

Block Defertank.com pop-ups and other unwanted pages

We suggest to install an ad blocker application that can block Defertank.com and other annoying web-pages. The adblocker tool like AdGuard is a application that basically removes advertising from the Web and blocks access to malicious web-sites. Moreover, security experts says that using ad blocker programs is necessary to stay safe when surfing the Net.

Download AdGuard program by clicking on the following link.

After downloading is finished, run the downloaded file. You will see the “Setup Wizard” screen like below.

Follow the prompts. Once the installation is finished, you will see a window as displayed in the figure below.

You can click “Skip” to close the setup application and use the default settings, or click “Get Started” button to see an quick tutorial that will allow you get to know AdGuard better.

In most cases, the default settings are enough and you don’t need to change anything. Each time, when you run your personal computer, AdGuard will run automatically and stop popup, web-sites such Defertank.com, as well as other harmful or misleading web sites. For an overview of all the features of the application, or to change its settings you can simply double-click on the AdGuard icon, that can be found on your desktop.

How can you prevent your personal computer from the attack of Defertank.com pop-ups

The ad-supported software usually gets on your PC along with another program in the same installer. The risk of this is especially high for the various free programs downloaded from the Internet. The makers of the apps are hoping that users will use the quick install mode, that is simply to click the Next button, without paying attention to the information on the screen and do not carefully considering every step of the installation procedure. Thus, the adware can infiltrate your computer without your knowledge. Therefore, it’s very important to read all the information that tells the program during install, including the ‘Terms of Use’ and ‘Software license’. Use only the Manual, Custom or Advanced install option. This method will help you to disable all optional and unwanted programs and components.

To sum up

After completing the tutorial above, your PC system should be clean from this adware and other malware. The Firefox, Chrome, Microsoft Internet Explorer and Edge will no longer show undesired Defertank.com site when you surf the Web. Unfortunately, if the tutorial does not help you, then you have caught a new ad supported software, and then the best way – ask for help.

Please start a new thread by using the “New Topic” button in the Spyware Removal forum. When posting your HJT log, try to give us some details about your problems, so we can try to help you more accurately. Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the annoying Defertank.com redirect.