Remove Schooldozer (Mac OS)

By | Posted on April 28, 2018 | Updated on May 3, 2018

Schooldozer is an intrusive browser extension that targets Macintosh-based program like Safari, Google Chrome, and Mozilla Firefox. It arises from the family of ad-supported application that also created similar variants like Papershorty and Lotoboyz. All of these programs are identical in traits and payloads. Schooldozer and similar extensions was made to conquer the browser and manipulate homepage and online search activities of users.

Schooldozer primarily affects browser’s startup page. Instead of user’s chosen settings, this adware will replace it with Search.schooldozer.com. This unwanted search engine redirects search inquiries to its server before loading the actual search results using Yahoo. It is also obvious that the search is partly powered by Adware called Genieo. The redirection process of Schooldozer is known to be a data gathering scheme. Vital user’s data are gathered on its server, which includes visited websites, search inquiries, and other useful information that attackers can utilize for their online marketing strategies.

Apart from data gathering, another goal of Schooldozer is to exploit victim’s browser to generate online profit. It will try to market products and services online. In addition, makers of Schooldozer is employing pay-per-click scheme through paid links appearing on the custom search result pages.

Schooldozer

Though Schooldozer is only classed as adware and is not as hazardous as computer viruses and malware, we still suggest removing it from Mac systems. Irregularities it carries out like browser redirects and homage hijacking can lead to further adware infection. Follow the guide below to properly remove Schooldozer and all of its components inside the Mac computer.

Online Security Scanner Report for www.schooldozer.com:

Norton SafeWeb Not yet tested Community Rating: 0.0 Updated: April 28, 2018
MCAfee Site Advisor Unverified Feedback: No Data Updated: April 28, 2018
Transparency Report Currently safe Feedback: No Data Updated: April 28, 2018

Procedures to Remove Schooldozer Adware from Mac

This section contains comprehensive guide to help you remove threats from the affected computer.

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

QuickFix: Instant Removal

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 malicious browser adware that causes annoyances. You may need to purchase full version if you require to maximize its premium features.

1. Download the tool from the following page:

Click here to Download Combo Cleaner (this will open a new window)

2. Double-click the downloaded file.

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

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

5. Wait until antivirus downloads it's latest virus definition updates and click on “Start Combo Scan“.

Start Combo Scan

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: Remove Browser Extensions that belongs to Schooldozer

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 Plugins lists when it opens a new window.

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

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

Step 2: Delete Malicious Files that have installed Schooldozer

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:

  • unknown.download.plist
  • unknown.ltvbit.plist
  • unknown.update.plist

The term unknown is just a representation of the actual malware name. It is normally an unfamiliar file name such as the following:

– Schooldozer, InstallMac, Manroling, Genieo, Inkeeper, Software Updater

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

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 Locked Files

3. Click on Force Quit button.

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

Step 3: Scan the System with Adware Removal Tool for Mac

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

Click here to download MBAM for Mac (this will open a new window)

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 Schooldozer.

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.

Malwarebytes Anti-malware for Mac

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

Step 4: Remove Schooldozer from Safari Home Page and Search

1. Open Apple menu and select Force Quit. You can also press Command + Option + Esc on the keyboard to access this feature.

2. From the list of applications, select Safari, and then click on Force Quit button. Wait for Safari browser to close.

Force Quit Safari

3. Now, hold down Shift key and launch Safari. Do this to avoid opening any unwanted window from Schooldozer.

4. Go to Safari Menu and then select Preferences from the list.

5. On Default search engine section, select the desired search engine from the list to override Schooldozer custom search engine.

Default Safari Homepage

6. Next, make sure that “New windows open with” is set to Homepage. Adware may alter this and set it to open to unwanted webpage.

7. Then, on Homepage field, type the URL of your desired Homepage.

Optional: Reset Safari Browser

If the above procedures did not help in eliminating Schooldozer on your Safari browser, resetting it to default value may be the best solution. Be aware that there is no way to reverse this process once executed.

1. Go to Safari Menu. Select Reset Safari from the list. This will open a window showing applicable items.

2. It is better to maintain the pre-selected items.

Reset Safari Browser

3. Click on Reset button to totally clear all the configurations made by Schooldozer. Please restart Safari browser.

One thought on “Remove Schooldozer (Mac OS)

  1. Sue

    OMG THANK YOU! YOU SAVED MY LIFE! THE OTHER SITES WERE SO USELESS! YOURS WAS THE ONLY ONE THAT HELPED!!! THANK YOU!

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