Remove AtmostphereAssurance (Mac OS)

Several web installation programs are the most common means for AtmostphereAssurance to be incorporated on the Mac computer. Though, in order to carry out an unnoticed and full installation, the initiator file must be executed by users, and to accomplish this, said applet is deployed in various ways and at different online locations. In most instances, Mac users have involuntarily triggered the loading of AtmostphereAssurance during a freeware setup process.

Unknown to Mac users, the free program is in fact a software bundle that will retrieve several applications from the remote server and install them discreetly on the computer. As mentioned, the AtmostphereAssurance app may be one of those unwanted programs that can conquer the browser even in the absence of user authorization. Other browser extensions that operate in the same intrusive manner are AccessibleSection, NavigateIndex, and many more.

Effects of installing AtmostphereAssurance

After full installation of AtmostphereAssurance on a Mac computer, users may come across unwanted browser changes, the most obvious of which is the presence of the unwanted browser extension, an unknown homepage, and new tabs. Likewise, with each online search, users will be rerouted to the unwanted search engine, which provides search results filled with advertising links. The browser may also issue an alert that “AtmostphereAssurance may damage your computer,” which implies that it is a hazardous browser extension.

Screenshot of AtmostphereAssurance

Unfortunately, the cancellation of all changes made by AtmostphereAssurance is a fairly difficult task. This is indeed a huge issue, which requires a considerable amount of manual fixing in order to restore the previous cleaning state of the infected browser application. Therefore, victims can easily get rid of AtmostphereAssurance by scanning the computer with a valid malware removal tool, as indicated on the guide presented on this page.

After eliminating the threat and restoring Internet software, we strongly recommend protecting the system from a similar attack by installing an anti-malware tool that provides real-time scanning. It is the best approach for blocking any malware or adware, like the AtmostphereAssurance app.

Removal of AtmostphereAssurance is vital

AtmostphereAssurance adware may have a number of detrimental effects on a Mac if it is not swiftly eliminated. First off, this adware often impairs system performance by taking up resources, making the system take longer to start up, and making the system less responsive in general. Because pop-ups and unwanted ads interfere with regular computer use, widespread adware may provide an unpleasant user experience.

AtmostphereAssurance may also change over time into more dangerous versions, so it’s not just confined to annoying advertisements. The adware may collect sensitive user data, jeopardizing privacy and potentially facilitating identity theft or illegal access to personal data. Furthermore, since it creates system weaknesses, AtmostphereAssurance may act as a backdoor for more serious malware attacks. This emphasizes how crucial it is to deal with and get rid of adware as soon as possible in order to protect a Mac computer’s security and efficiency.

Procedures to Remove AtmostphereAssurance 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 AtmostphereAssurance. You may need to purchase the full version if you want 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 your antivirus downloads its latest virus definition updates.

6. Next, click on "Start Combo Scan" to start removing AtmostphereAssurance.

Combo Cleaner Scanner

7. 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 manually removing malicious objects associated with the threat.

Step 1 : Delete AtmostphereAssurance 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 AtmostphereAssurance or any unwanted program and suspicious item. It may also disguise itself as a different file with random names.

Delete Unwanted App

4. Drag the suspicious file to the 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 AtmostphereAssurance

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 AtmostphereAssurance, 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 AtmostphereAssurance

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


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.AtmostphereAssurance.plist
  • unknown.service.plist
  • unknown.system.plist
  • unknown.update.plist

The term unknown is just a representation of the actual malware name. Attackers may use the following file names:

- AtmostphereAssurance, (random characters).plist

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


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/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.

- AtmostphereAssurance

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 AtmostphereAssurance 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 the most recent version if one is available. This is necessary for finding recent malware threats, including AtmostphereAssurance.

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 the 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, and AtmostphereAssurance is surely part of it. Be sure to select all items in the list. Then, click the Remove button to clean the computer.

Step 5 : Remove AtmostphereAssurance from Homepage and Search


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

Google Chrome

- Open the Google Chrome browser.
- Input the following on the address bar and press Enter on the keyboard : chrome://settings/
- Look for 'On Startup' area on the sidebar.
- Select 'Open a specific page or set of pages'.
- Choose the unwanted homepage, and click on Ellipses (three dots) and select Edit.
- Enter the desired web address as your homepage, replacing the AtmostphereAssurance setting. Click Save.
- To set the default search engine, go to the Search Engine area from the sidebar link.
- Click on 'Manage search engines...' button.
- Select the questionable Search Engine and click on Ellipses (three dots). ClickDelete. to remove it from the list.
- Go back to the Search Engine area and choose a valid entry (i.e., Google) 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
- Click Home on the sidebar area.
- Under "New Windows and Tabs", you may choose Firefox Home (Default) or Custom URLs. - Input the desired URL to replace AtmostphereAssurance settings if you chose Custom URLs.
- To configure default search engine, select Search on the sidebar to display the settings.
- Under the Default Search Engine list, please select one (i.e., Google).
- On the same page, you have the option to Remove unwanted search engines.

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

Some users complain that there is no way to change browser settings because they are grayed out by AtmostphereAssurance. In such a situation, it is important to check if there is an 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 AtmostphereAssurance or any relevant profile from the left pane. See the image below.

Remove Mac Profile

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

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

About the author

Leave a Comment

Your email address will not be published. Required fields are marked *