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DNS Unlocker (Virus Removal Guide)

DNS Unlocker

DNS Unlocker (also searched for as DNS Unlocker virus or DNSUnlocker) is a very deceptive and intrusive adware type program that usually gains entrance to an infected computer system, attaches to internet browsers, and changes DNS settings without user consent or knowledge. DNS Unlocker can automatically download and install in the background while you work on your computer or browse the web. Once DNS Unlocker adware has been contracted it will inject the webpages you visit with pop-up advertisements that say “Ads by DNS Unlocker” or “brought by DNS Unlocker” on them.

Threat Details

Name DNS Unlocker, DNSUnlocker, DNS Unlocker virus, ads by DNS Unlocker
Category Adware
Short Description The adware is promoted as a free DNS service.
Symptoms The user may witness unwanted advertisements in the browser.
Distribution Method Freeware, dubious advertisements and media related files.
Detection tool Download Malware Removal Tool, to See If Your System Has Been Affected By DNS Unlocker

What is DNS Unlocker?

According to third-party download managers, DNS Unlocker (also known as DNSUnlocker) is promoted as a free program and DNS service that can help internet users block malicious and dangerous websites and view restricted web content.

DNS Unlocker virus

DNS Unlocker adware generates deceptive and intrusive pop-up ads across Chrome, Firefox, Internet Explorer, and Safari. Ads by DNSUnlocker  are defined as ‘targeted’ ads because they use your personal browsing information (including all your data on the websites you visit) to produce advertisements it feels you are most likely to click on. The adware basically ‘targets’ you based off your current and past browsing habits.

DNS Unlocker adware is not technically defined as a computer virus but this adware is still a threat to your privacy and can be the sign of a severe malware infection. The internet security community strongly recommends that you remove DNS Unlocker if you find it installed on your machine or attached to your internet browser as a browser add-on or extension and use reputable Antivirus or Anti-Malware software to eradicate any existing malicious files.

DNS Unlocker and programs like it are usually contracted without knowledge. DNS Unlocker is often bundled inside third-party software downloaders and bundlers. It may arrive on a computer system once other programs have been introduced to the machine. Software that DNS Unlocker adware may bundle with includes freeware, shareware, and dubious torrent files.

DNS Unlocker overview

  • DNS Unlocker bundles with other potentially unwanted programs and malware.
  • DNS Unlocker is usually bundled inside installers and downloaders distributed as dubious torrents or as freeware programs distributed by websites similar to download.com and softonic.com.
  • DNS Unlocker injects visited webpages with pop-up and in-text advertisements.
  • DNS Unlocker makes unwanted changes to existing Windows settings and schedules new tasks which allow it to run every time Windows starts and check to see if the program has been disabled. If the program is disabled it will enable itself.

DNS Unlocker Removal Options

DNS Unlocker can be uninstalled manually from your computer and internet browser. We have provided several steps below the article to show you how remove DNS Unlocker and other threats. However, if you have clicked on any random ads or have been redirected to suspicious websites, your system may have been exposed to malware and other threats. To make sure your PC is completely clean and your information is protected from cyber criminals, we recommend that you follow all the steps below.

Step 1: Uninstall DNS Unlocker from Windows

Follow the instructions to uninstall DNS Unlocker and other programs that it may bundle with from your Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, and Windows 10 computer. If you do not find DNS Unlocker installed on your computer but still notice unwanted symptoms such as pop-up ads while you browse the web it is recommended to use Malwarebytes and HitmanPro to eradicate troublesome files.

1. Open Windows Start or Task menu and go to the Control Panel (or directly to Programs and Features).

2. In the “Programs” section click Uninstall a program (or Add and remove programs).

3. Search for DNS Unlocker in the list of installed programs and double click it to uninstall it. You can also select DNS Unlocker with your mouse and click the Uninstall button once it appears. Once you have uninstalled DNS Unlocker look for other unwanted programs in the list of installed programs and uninstall any if they are found. A general tip is to click “Installed On” to locate any programs that installed around the same time.

Step 2: Remove unwanted browser attachments

Follow the instructions to remove DNS Unlocker add-ons and extensions, as well as other attachments that it may bundle with from Google Chrome, Mozilla Firefox, Microsoft Internet Explorer & Edge, and Apple Safari. If you do not find a DNS Unlocker attachments installed on your internet browser but still notice unwanted symptoms such as pop-up ads while you browse the web it is recommended to use Malwarebytes and HitmanPro to eradicate troublesome files. To remove DNS Unlocker from Microsoft internet browsers you must uninstall the program.

Google Chrome

1. Click the Customize and control Google Chrome icon and go to More tools > Extensions.

2. Search for the DNS Unlocker extension in the list and click the trashcan icon.

Mozilla Firefox

1. Open the Menu and click Add-ons.

2. Search for the DNS Unlocker add-on and click Remove.

Apple Safari

1. Go to Safari > Preferences > Extensions.

2.  Search for the DNS Unlocker extension in the list and click the Uninstall button.

Step 3: Remove DNS Unlocker with Malwarebytes

Follow the instructions to remove DNS Unlocker with Malwarebytes Anti-Malware software.

1. Download and install Malwarebytes Anti-Malware software.

2. Launch Malwarebytes Anti-Malware software once it has finished installing.

3. Make sure that Malwarebytes has been updated. To ensure it is updated click Update Now on the Dashboard.

Malwarebytes scan for BLoCkTheAdApp

4. Click the large Scan Now button on the dashboard to perform a scan with Malwarebytes Anti-Malware software.

5. When the scan is complete click the Remove Selected button and then click the Finish button or restart your computer if Malwarebytes suggests that you do so.

Step 4: Remove DNS Unlocker with HitmanPro

Follow the instructions to remove DNS Unlocker with HitmanPro second-opinion software.

1. Download and install HitmanPro second opinion scanner and removal tool.

hitmanpro scan

3. Once Hitman Pro is installed, open the program and click Next to start scanning your computer. *If you are using the free version you may chose to create a copy or perform a one-time scan.

hitmanpro scan results

4. When the scan is complete, click the Next button again to delete any threats or traces on your system.

hitmanpro activeate free license

5. If you are initially using the free version, to activate it, enter your email address twice and click the Activate button.

hitman pro reboot computer

6. Restart your computer by selecting Reboot.

Step 5: Clean and repair your computer with CCleaner

Follow the instructions to clean your computer and repair your computer’s settings.

1. Download and install CCleaner by Piriform.

Antivirus PRO 2015 virus

2. Once installed, open the program and go to the main Cleaner screen and click the Analyze button. Afterwards, click the Run Cleaner button on the bottom right of the program interface.

Antivirus PRO 2015 malware

3. Next, navigate to Tools > Startup and search through each tab starting from windows, internet explorer, etc., all the way to Content Menu, for additional suspicious entries. If you find any thing suspicious click it and click the Delete button to remove it.

4. Finally, go to the Registry window and click the Scan for Issues button. When the scan is complete click the Fix selected issues… button and click Fix All Selected Issues.

How to Obtain DNS server address automatically

DNS Unlocker might change your existing DNS settings. These instructions will help you obtain a DNS server automatically, which is the default setting for Windows computers.

1. Open Windows Start Menu, go to the Control Panel, and click View network status and tasks.

2. Click on Local Area Connection.

3. Click on Properties.

4. Click on Internet Protocol Version 4 and click the Properties button.

5. Choose Obtain DNS server address automatically and click the OK button.

Lead Editor

Jared Harrison is an accomplished tech author and entrepreneur, bringing forth over 20 years of extensive expertise in cybersecurity, privacy, malware, Google Analytics, online marketing, and various other tech domains. He has made significant contributions to the industry and has been featured in multiple esteemed publications. Jared is widely recognized for his keen intellect and innovative insights, earning him a reputation as a respected figure in the tech community.

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