Remove ConnectionOptimizer (Mac OS)

ConnectionOptimizer is a typical adware that aims to infect Mac OS computers. The makers of this unwanted browser tool promote the ConnectionOptimizer app as an add-on that improves the online browsing experience of Mac users. It claims to provide fast search results with an accurate and useful outcome. Hence, as the ConnectionOptimizer app keeps on spreading aggressively on Mac computers, it acts unnaturally, and users become suspicious of this browser application. In fact, computer security experts have already dubbed it adware.

The ConnectionOptimizer Adware

ConnectionOptimizer operates just like older versions such as HelperFlow, IntegrationAdmin, and FileClick. All of these threats can infiltrate Mac devices without being detected. In some instances, adware developers market their programs through bundling, which they include along with other apps in a single executable setup file. It is generally free to download from various sources, so Mac users may be tempted to install it, thinking that it can benefit them. It is also possible that packing ConnectionOptimizer along with a fake software update allows it to enter the computer without being detected by Mac users.

Effects of ConnectionOptimizer App

Activation of ConnectionOptimizer on a Mac computer could lead to other complications in the browser program. It can generate intrusive advertisements or campaigns that are consistently displayed on the browser screen. Since ConnectionOptimizer is adware, it is common to track the data of Mac users, like browsing activity and even their sensitive personal information.

The ads generated by ConnectionOptimizer can be in the form of pop-ups, banners, surveys, or coupons. The constant display of these annoying ads can reduce the browsing experience of Mac users, which is the opposite of how developers are endorsing ConnectionOptimizer. Intrusive ads that appear on screen can be risky to Mac users when clicked. It can redirect the browser’s pages to unwanted websites containing unexpected contents and malicious links. In addition, ads associated with ConnectionOptimizer can have the ability to inject potentially unwanted applications (PUA) or other adware on Mac devices.

Screenshot of ConnectionOptimizer App

The presence of ConnectionOptimizer on the computer brings no benefit to the end user. In fact, it just causes infections and trouble for Mac and browser programs as well. Instead of enhancing the functions of internet software, it operates otherwise. Installing ConnectionOptimizer.app is not beneficial to Mac users. In the worst-case scenario, exposing tracked data caused by unwanted apps or adware can be used for cybercrime purposes.

Procedures to Remove ConnectionOptimizer 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 ConnectionOptimizer. 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 ConnectionOptimizer.

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 ConnectionOptimizer 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 ConnectionOptimizer 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 ConnectionOptimizer

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 ConnectionOptimizer, 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 ConnectionOptimizer

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.ConnectionOptimizer.plist
  • unknown.service.plist
  • unknown.system.plist
  • unknown.download.plist
  • unknown.update.plist

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

- Connection Optimizer App, (random characters).plist

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

- Connection Optimizer 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 ConnectionOptimizer 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 ConnectionOptimizer.

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 ConnectionOptimizer 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 ConnectionOptimizer from Homepage and Search

Safari

- 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 ConnectionOptimizer 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 ConnectionOptimizer 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 ConnectionOptimizer 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 ConnectionOptimizer. 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 ConnectionOptimizer 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 ConnectionOptimizer.

ConnectionOptimizer and "Managed by your organization" Policy

If the Google Chrome browser states that it is "Managed by the organization," it means that ConnectionOptimizer has made drastic changes that resulted to this restriction. In this case, we need to revise the policy and it can be done by executing the following steps:

1. Please download the Google Chrome Policy Remover for Mac by Stefan Vd. (See VirusTotal Scan Result for this file)

2. If  there are currently running applications, please close all of them.

3. Unzip or extract the downloaded file.

4. Run the tool by double-clicking on “Chrome-Policy-Remover-for-Mac”.

5. Please restart Google Chrome browser. Sometimes, a complete restart of the Mac computer is needed to complete the process.

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