How to remove AssistiveUnit (Mac)

AssistiveUnit is an app for browser programs that are operating on Mac OS. It is a potentially unwanted application (PUA) that invades the browser by posing as legitimate Extension. Like most bogus add-on, AssistiveUnit claims that it enhances Mac user’s online browsing experience by leaping the performance of online searches. AssistiveUnit is also classed under the Adware category, which simply means that it has an objective of generating profit by taking advantage of the infected internet software.

How AssistiveUnit adware spreads?

Most suspicious browser extension including AssistiveUnit is installed through various shady schemes. These methods delivers the harmful code on the computer without being notice by users but they were tricked into initiating the install process. Adware makers commonly attain this devious deployment by incorporating AssistiveUnit app to different kinds of freeware, shareware, and third party applications. Mostly these are hosted on distrustful websites especially those that offers pirated software copies. So, to avoid AssistiveUnit adware infection, please refrain from visiting such sites and limit the downloading activities to official and trusted websites only.

Another way that attackers are using to widely spread AssistiveUnit is via misleading ad campaign. The ad was designed to appear as system warning that detects browser abnormalities. It enforces the immediate download of a fix or software update, which will actually runs the installer files for AssistiveUnit.

Screenshot image of AssistiveUnit App

What’s next?

Right after AssistiveUnit app was installed on the computer, it targets internet browser programs including Safari, Google Chrome, or Mozilla Firefox. There will be several unnecessary changes executed that would replace the default settings of homepage, new tab, and search tool. Alterations made on the internet software are needed for the complete operation of AssistiveUnit app. In fact, it aims on completely dominating the browser program during its presence.

The changes may also give way for the display of annoying advertisements like pop-ups, redirects, banners, and push notifications. People behind AssistiveUnit are taking advantage of the current browser condition to generate online profit. These ads may be too annoying and often times, it redirects the browser pages to harmful site that causes additional infections. Thus, we recommend the removal of AssistiveUnit at once. Procedures to remove the threat are presented on the next section.

Procedures to Remove AssistiveUnit 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 System 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 AssistiveUnit. 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 AssistiveUnit.

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 AssistiveUnit 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 AssistiveUnit or any unwanted program.

Delete Unwanted App

4. Drag AssistiveUnit 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 AssistiveUnit

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 AssistiveUnit, 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 AssistiveUnit

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.AssistiveUnit
  • 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:

- BrowserToday, ManagerPages

If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing AssistiveUnit 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.

- BrowserToday, ManagerPages

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 AssistiveUnit 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 AssistiveUnit.

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, AssistiveUnit 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 AssistiveUnit 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 AssistiveUnit 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 AssistiveUnit. 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 AssistiveUnit 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 AssistiveUnit. 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 AssistiveUnit 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 AssistiveUnit.

Post Last Modified On October 14, 2020

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