Remove MegaUnit – Mac Adware

On this article, visitors will learn the hazards of having the malicious browser extension named MegaUnit. To get rid of the mentioned Mac OS threat, included on this page are Removal Tool, Steps for Manual Removal, and cleaning the Homepage and Search of compromised browser program.

MegaUnit is an unwanted application designed to operate solely on Mac systems. There is nothing special on how it gets inside the computer. It assumes the same mechanism as other dubious programs and like the majority of the threat, MegaUnit spreads while embedded to freeware or shareware. The moment it enters the Mac computer, web users are going to witness annoying behavior, especially pop-up ads and redirects. There will also be browser hijacking that will occur each time that Mac user is performing an online search. Instead of the default search engine, it gets redirected to unwanted pages.

How MegaUnit enters the Mac computer?

This questionable browser tool is comparable to other internet software menaces as DataExplorer, OptimalOrigin, and CommandImprovement. They spread over the web using deceptive techniques. As such, Mac users are not aware about its installation. Due to this intrusion, MegaUnit was classified as a potentially unwanted application (PUA). This type of threat has various spread techniques and in the majority of the infection cases, the carrier is said to be the following:

Malicious software bundles – If not all, we can say that the majority of freeware is being utilized by cyber crooks to spread adware or malware. They use a repacking method to incorporate MegaUnit app in the installer files. Therefore, the installation also loads the incorporated file, without taking permission from Mac users.

Fake software update – This deceptive method cleverly lures web users to download a supposed software update. The window was crafted to appear as a valid system alert that warns Mac users of arising issues due to obsolete program. It suggests an immediate download of the software update and when acknowledge by Mac users, the process will load MegaUnit app instead of the purported software update. Please see the screen capture of the fake update page below.

Screenshot of MegaUnit App

Bad effects of MegaUnit app

As MegaUnit is a suspicious browser extension, the Mac user needs to perform an immediate deletion. Ignoring the presence of this unwanted program can cause issues and drawbacks on the internet browser. For example, MegaUnit can be used as the basis for different ads and aggressive redirections. These ads usually contain hazardous content and links that may further contaminate the browser with additional adware or malware. As such, carry out adware deletion at once using the procedures below.

Procedures to Remove MegaUnit from Mac

This area contains comprehensive procedures to help you remove adware and potentially unwanted program from the computer.

Guide on this page are written in a manner that can be easily understand and execute by Mac users.

Quick Fix - Scan the Mac Computer with Combo Cleaner

Combo Cleaner is a trusted Mac utility application with complete antivirus and optimization features. It is useful in dealing with adware, malware, and PUP's. Moreover, it can get rid of adware like MegaUnit. You may need to purchase full version if you require to maximize its premium features.

1. Download the tool from the following page:

2. Double-click the downloaded file and proceed with the installation.

3. In the opened window, drag and drop the Combo Cleaner icon onto your Applications folder icon.

Install Combo Cleaner

4. Open your Launchpad and click on the Combo Cleaner icon.

5. Wait until antivirus downloads its latest virus definition updates and click on "Start Combo Scan" to start removing MegaUnit.

Combo Cleaner Scanner

6. Free features of Combo Cleaner include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus and privacy scanner, users have to upgrade to a premium version.

Proceed with the rest of the removal steps if you are comfortable in manually removing malicious objects associated with the threat.

Step 1 : Delete MegaUnit from Mac Applications

1. Go to Finder.

2. On the menu, click Go and then, select Applications from the list to open Applications Folder.

3. Find MegaUnit or any unwanted program.

Delete Unwanted App

4. Drag MegaUnit to Trash Bin to delete the application from Mac.

5. Right-click on Trash icon and click on Empty Trash.

Step 2 : Remove Browser Extensions that belongs to MegaUnit

1. Locate the add-on or extension that is relevant to the adware. To do this, please follow the following depending on affected browser.

Safari - Choose Preferences from the Safari menu, then click the Extensions icon. This will open a window showing all installed extensions.

Chrome - Select Preferences from the Chrome menu, and then click the Extensions link found on the left pane.

Firefox - Choose Add-ons from the Menu. Look at both the Extensions and Plug-ins lists when it opens a new window.

2. Once you have located MegaUnit, click on Remove or Uninstall, to get rid of it.

3. Close the browser and proceed to the next steps.

Step 3 : Delete Malicious Files that have installed MegaUnit

1. Select and copy the string below to your Clipboard by pressing Command + C on your keyboard.

~/Library/LaunchAgents

2. Go to your Finder. From the menu bar please select Go > Go to Folder...

3. Press Command + V on your keyboard to paste the copied string. Press Return to go to the said folder.

Command + V

4. You will now see a folder named LaunchAgents. Take note of the following files inside the folder:

  • com.MegaUnit
  • unknown.download.plist
  • unknown.ltvbit.plist
  • unknown.update.plist

The term unknown is just a representation of the actual malware name. Attackers may masks the actual name with following:

- Mega Unit App

If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing MegaUnit to be present on your Mac. Arranging all items to see the most latest ones may also help you identify recently installed unfamiliar files. Please press Option + Command + 4 on your keyboard to arrange the application list in chronological order.

Option+Command+4

Important: Take note of all the suspicious files as you may also delete the same item on another folder as we go on.

5. Drag all suspicious files that you may find to Trash.

6. Please restart the computer.

7. Open another folder using the same method as above. Copy and Paste the following string to easily locate the folder.

~/Library/Application Support

8. Look for any suspicious items that are similar to the ones in Step 4. Drag them to the Trash.

9. Repeat the process on the following non-hidden folders (without ~):

/Library/LaunchAgents
/Library/LaunchDaemons
/Library/Application Support

10. Lastly, go to your Finder and open the Applications Folder. Look for subfolders with the following names and drag them to Trash.

- Mega Unit App

Optional : For locked files that cannot be removed, do the following:

1. Go to Launchpad, Utilities folder, open Activity Monitor.

2. Select the process you want to quit.

Force Quit Apps

3. Click on Force Quit button.

4. You may now delete or remove locked files that belongs to MegaUnit adware.

Step 4 : Double-check with MBAM Tool for Mac

1. Download Malwarebytes Anti-malware for Mac from this link:

2. Run Malwarebytes Anti-malware for Mac. It will check for updates and download if most recent version is available. This is necessary in finding recent malware threats including MegaUnit.

3. If it prompts to close all running web browser, please do so. Thus, we advise you to PRINT this guide for your reference before going offline.

4. Once it opens the user interface, please click on Scan button to start scanning your Mac computer.

MBAM for Mac

5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, MegaUnit is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.

Step 5 : Remove MegaUnit from Homepage and Search

Safari

- Open your Safari browser.
- Go to Safari Menu located on upper left hand corner, and then select Preferences.
- Under General tab, navigate to Default Search Engine section and select Google or any valid search engine.
- Next, be sure that "New Windows Open With" field is set to Homepage.
- Lastly, remove MegaUnit from the Homepage field. Replace it with your preferred URL to be set as your default homepage.

Google Chrome

- Open Chrome browser.
- Type the following on the address bar and press Enter on keyboard : chrome://settings/
- Look for 'On Startup' area.
- Select 'Open a specific page or set of pages'.
- Click on More Actions and select Edit.
- Enter the desired web address as your home page, replacing MegaUnit. Click Save.
- To set default search engine, go to Search Engine area.
- Click on 'Manage search engines...' button.
- Go to questionable Search Engine. Click on More Actions and Click 'Remove from list'.
- Go back to Search Engine area and choose valid entry from Search engine used in the address bar.

Mozilla Firefox

- Run Mozilla Firefox browser.
- Type the following on the address bar and hit Enter on keyboard : about:preferences
- On Startup area, select 'Show your home page' under 'When Firefox starts' field.
- Under Home Page field, type the desired URL to replace MegaUnit settings.
- To configure default search engine, select Search on left sidebar to display settings.
- Under Default Search Engine list, please select one.
- On the same page, you have an option to Remove unwanted search engine.

Optional : If unable to change browser settings, execute these steps:

Some user complains that there is no way to change browser settings because it is grayed out by MegaUnit. In such situation, it is important to check if there is unwanted profile. Please do the following:

1. Quit any running applications and launch System Preferences from your Dock.

2. Under System Preferences, click Profiles.

3. Select MegaUnit or any relevant profile from the left pane. See image below.

Remove Profile

4. At the bottom of this window, click minus [-] button to delete the account. Please refer to image above.

5. Close the Profiles window and open the affected browser to change all settings associated with MegaUnit.

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