THREAT REMOVAL

DNS Changer Mac Virus – How to Remove + Stop Ads

Update August 2019. What is DNS Changer? How to remove DNSChanger from Mac? How to stop ads coming from DNS Changer on your Mac?

DNSChanger is a very dangerous malware that has one and only goal – to slither all forms of adware on your infected Mac. DNS Changer is also known as RSPlug and it can modify your DNS (Domain Name System) configuration to alter the DNS address on your mac and modify the hosts file. This is done to show you all sorts of ads leading to third-party sites. Read this article to understand how to remove DNS Changer from your Mac.

Threat Summary

NameDNS Changer
TypeAdware for Mac OS
Short DescriptionAims to push a lot of ads on your Mac that can lead to scamming, suspicious or virus sites.
SymptomsVarious types of advertisements begin to appear on your Mac.
Distribution Method Via bundling or by pretending to be a leigitmate app.
Detection Tool See If Your System Has Been Affected by malware

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User ExperienceJoin Our Forum to Discuss DNS Changer.

DNS Changer – How Did I Get It and What Does It Do?

Similar to DNSUnlocker, a dangerous adware that attacks Windows PCs, DNS Changer also uses the same tactics. It may come in your Mac as a result of being bundled to a third-party app installer. In the installer, you can find it as an optional offer that helps you access geo-restricted sites and lets you see forbidden content outside of your country. However, it does way more worse things than that.

Once installed on your Mac, the adware may begin to target the hosts file on your Mac. It alters the default DNS address in this hosts file with it’s own one, allowing it to manipulate what you read on your web browser. The outcome of this is that many forms of ads may start to appear on your Mac, such as:

  • Pop-ups.
  • Browser Redirects.
  • Banners.
  • Ad-supported search results.
  • Push notifications ads.
  • Highlighted text ads.

Not only this, but since this nasty virus has your control over your DNS connectivity, it may also snoop in on what you do online and this includes tracking the clicks you make, the sites you visit and even the passwords you type on them.

The main danger associated with this adware, however, is that it may cause redirects and lead you to dangerous sites, such as:

  • Phishing pages.
  • Virus-infested sites.
  • Tech support scam pages.
  • Fake survey scams.

Remove DNS Changer Virus from Your Mac

To remove DNS Changer trojan, we strongly recommend that you read the steps for removal underneath. They have been made to help you delete all DNS Changer related files and objects step by step. However, the best way to remove the adware according to experts is to download and run a scan of your Mac with a professional cleaner app. Such security software can detect and eliminate DNS Changer in a fast and effective way.

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Ventsislav Krastev

Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.

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Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer

Get rid of DNS Changer from Mac OS X.


Step 1: Uninstall DNS Changer and remove related files and objects

OFFER
Manual Removal Usually Takes Time and You Risk Damaging Your Files If Not Careful!
We Recommend To Scan Your Mac with SpyHunter for Mac
Keep in mind, that SpyHunter for Mac needs to purchased to remove the malware threats. Click on the corresponding links to check SpyHunter’s EULA and Privacy Policy


1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:


2. Find Activity Monitor and double-click it:


3. In the Activity Monitor look for any suspicious processes, belonging or related to DNS Changer:

Tip: To quit a process completely, choose the “Force Quit” option.


4. Click on the "Go" button again, but this time select Applications. Another way is with the ⇧+⌘+A buttons.


5. In the Applications menu, look for any suspicious app or an app with a name, similar or identical to DNS Changer. If you find it, right-click on the app and select “Move to Trash”.


6: Select Accounts, after which click on the Login Items preference. Your Mac will then show you a list of items that start automatically when you log in. Look for any suspicious apps identical or similar to DNS Changer. Check the app you want to stop from running automatically and then select on the Minus (“-“) icon to hide it.


7: Remove any left-over files that might be related to this threat manually by following the sub-steps below:

  • Go to Finder.
  • In the search bar type the name of the app that you want to remove.
  • Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
  • If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.

In case you cannot remove DNS Changer via Step 1 above:

In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:

Disclaimer! If you are about to tamper with Library files on Mac, be sure to know the name of the virus file, because if you delete the wrong file, it may cause irreversible damage to your MacOS. Continue on your own responsibility!

1: Click on "Go" and Then "Go to Folder" as shown underneath:

2: Type in "/Library/LauchAgents/" and click Ok:

3: Delete all of the virus files that have similar or the same name as DNS Changer. If you believe there is no such file, do not delete anything.

You can repeat the same procedure with the following other Library directories:

→ ~/Library/LaunchAgents
/Library/LaunchDaemons

Tip: ~ is there on purpose, because it leads to more LaunchAgents.


Step 2: Scan for and remove malware from your Mac

You can use the tool we recommended above in order to remove DNS Changer:



Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Remove DNS Changer from Google Chrome.


Step 1: Start Google Chrome and open the drop menu


Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"


Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.


Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.


Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Erase DNS Changer from Mozilla Firefox.

Step 1: Start Mozilla Firefox. Open the menu window


Step 2: Select the "Add-ons" icon from the menu.


Step 3: Select the unwanted extension and click "Remove"


Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.



Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Uninstall DNS Changer from Microsoft Edge.


Step 1: Start Edge browser.


Step 2: Open the drop menu by clicking on the icon at the top right corner.


Step 3: From the drop menu select "Extensions".


Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.


Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.



Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Delete DNS Changer from Safari.


Step 1: Start the Safari app.


Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.


Step 3: From the menu, click on "Preferences".

stf-safari preferences


Step 4: After that, select the 'Extensions' Tab.

stf-safari-extensions


Step 5: Click once on the extension you want to remove.


Step 6: Click 'Uninstall'.

stf-safari uninstall

A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the DNS Changer will be removed.


How to Reset Safari
IMPORTANT: Before resetting Safari make sure you back up all your saved passwords within the browser in case you forget them.

Start Safari and then click on the gear leaver icon.

Click the Reset Safari button and you will reset the browser.


Mac OS X Google Chrome Mozilla Firefox Microsoft Edge Safari Internet Explorer


Eliminate DNS Changer from Internet Explorer.


Step 1: Start Internet Explorer.


Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'


Step 3: In the 'Manage Add-ons' window.


Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.


Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.


DNS Changer FAQ

What is DNS Changer?

DNS Changer is classified as a potentially unwanted app for Mac. It appears like a normal app, but it may cause unpleasant pop-ups and redirects on your Mac.

Be aware, that DNS Changer may be able to affect the browsers Safari, Google Chrome, Mozilla Firefox, Edge and Opera. It may they perform unwanted activities on your Mac.

Such can turn out to be showing advertisements of all types, slowing down your Mac's performance and even infecting your Mac with other viruses by showing you dangerous ads.

Is DNS Changer a Virus?

No, but it is just as risky. The DNS Changer object is not entirely a virus but it is still as dangerous as a virus for your Mac and your information. The main reason for that is because DNS Changer can use cookies and other tracking technologies that may obtain personal information from your Mac while you are browsing.

It may also cause dangers and may lead to risky websites, such as:

  • Phishing sites.
  • Web pages that are scam.
  • Sites that may contain viruses.

These are the main reasons why threatening is considered by experts to be indirectly dangerous to your Mac.

Can my Mac get virus?

The answer to this question is "yes". Unfortunately it opened happens that Mac devices become infected with different types of malware, adware and other threats. This causes a lot of problems for both companies and users.

How did I get DNS Changer?

DNS Changer could be spread to Mac computers via several methods. One of those methods is via the installers of third party apps. This technique is called software bundling.

Also, DNS Changer adware could be included in the installer steps of an app you may have downloaded for your Mac from a third party website. Search app could be a media player or some other free software you may have tried to recently install.

You may have missed DNS Changer, because it could be hiding in one of the install steps or could be offered as a "free extra" or an "optional offer".

How to remove DNS Changer from my Mac?

By removing its core files. To get rid of DNS Changer from your Mac, security experts strongly advise to scan it with a professional anti-malware app for Mac.

An anti-malware security app has the capability of scanning all of the areas in your Mac were DNS Changer could be residing.

It will also make sure that DNS Changer is permanently gone from your Mac and that your Mac is safe in the future.

How to protect my Mac from viruses?

To protect your Mac from all sorts of virus threats, you can can minimize the risk of getting a virus in the first place. This is why we strongly recommend that you take the following steps for protection on your Mac below:

1. Register for a VPN service of your choice.
2. Clear the cookies that are on your web browsers and uninstall any browser extensions from them that you believe are suspicious.
3. Download and install reputable malware removal and protection software.
4. Always check if the website you're visiting has HTTPS instead of just HTTP in its address. This indicates that a site is secure.
5. Do not type any personal info on websites which are with low reputation or you can't trust.
6. Always check if the site you're visiting is the real web page at not a fake one by looking at the address bar. Many fishing websites that contain viruses change one or two letters in the main domain name of the site they're trying to mimic.
7. Always link your cell phone phone to your Bank Accounts, PayPal, Facebook, Gmail, Instagram and other accounts. This will allow you to see notification if somebody else logged in from your account and makes account hijacking nearly impossible.
8. Always find a way to backup all your important files regularly. You can save them on a USB stick or use Cloud backup services, like Google Drive. iDrive, Onedrive and others.

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