TrustedCompress Adware – Removal Guide for Mac

TrustedCompress is an invasive piece of Mac software that often shows up on the device unexpectedly. The individuals behind this so-called browser enhancement tool are utilizing various spreading tactics to reach the Mac computer. Once inside, TrustedCompress is going to manipulate the settings of the internet browser in order to promote an unwanted search engine. In addition, TrustedCompress is going to exploit the infected internet program to generate profit by displaying relentless pop-up ads and redirects.

More about TrustedCompress adware

Fortunately for those who have TrustedCompress on their computer, the program is not in the category of viruses. It is not hazardous; hence, this piece of software is likewise not useful. Bear in mind that TrustedCompress was made in the tradition of previous browser threats such as ArtemisResultsEngine, TotalSearchCharacter, DataControl, and many more. These types of software are called potentially unwanted applications (PUAs) due to their unsolicited entry on the Mac computer. Furthermore, computer security analysts classify it as adware because one of their missions is to generate profit by exhibiting an abundance of ads on the browser.

The unwanted installation of the TrustedCompress adware

The unwanted installation of this program is caused by obtaining malicious software installers, which include pirated applications, software bundles, and serial key generators. Above all, the majority of TrustedCompress infections are attributed to the installation of a fake software update. Quite a number of malicious websites are showing this pop-up advertisement that is in disguise as a Google Chrome or Adobe update. As shown in the image above, the ad is masquerading as a system alert. It informs Mac users that the present version of the program is experiencing issues. Then, it recommends the installation of the updated version, which will eventually load TrustedCompress instead of the supposed update.

Screenshot of TrustedCompress

It is a must to remove TrustedCompress in order to keep the computer safe. Guidelines are provided on this page, along with free malware and virus scanners. Follow the procedures in exact order to ensure total removal of TrustedCompress adware.

What are the risks of an adware infection?

A Mac computer’s performance and the Mac user’s online experience are both in danger from a TrustedCompress adware infection. First and foremost, by using system resources to show unwanted advertisements, adware may seriously impair the performance and responsiveness of the internet browser and computer in general. Tasks taking longer to finish and a decrease in system efficiency might result in an unsatisfactory user experience.

Additionally, TrustedCompress often monitors user activity and gathers private data for the goal of displaying tailored advertisements. Sensitive data may be compromised as a result of this violation of privacy, potentially resulting in identity theft or other security breaches. Unwanted advertisements may also interrupt the online environment, making it difficult for Mac users to concentrate on their work and resulting in a worse overall surfing experience. It’s crucial to note that some adware can act as a portal for more malicious software, raising the possibility of a more serious and widespread Mac security breach. Mac users should use reliable anti-virus software, update their operating system often, and use caution when downloading software or clicking on online advertisements to reduce these dangers.

Procedures to Remove TrustedCompress 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 TrustedCompress. 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 TrustedCompress.

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 TrustedCompress 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 TrustedCompress 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 TrustedCompress

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 TrustedCompress, 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 TrustedCompress

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.TrustedCompress.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:

- TrustedCompress, (random characters).plist

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

- TrustedCompress

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 TrustedCompress 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 TrustedCompress.

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 TrustedCompress 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 TrustedCompress 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 TrustedCompress 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 TrustedCompress 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 TrustedCompress 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 TrustedCompress. 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 TrustedCompress 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 TrustedCompress.

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