Remove ObjectBase (Mac Adware)

ObjectBase adware normally targets Mac OS because of the huge number of users that are hooked on this high-end system. The main intention of this adware is to infect Mac computers with multiple types of advertisements that are displayed continuously on the device. Such ads can result in unwanted visits to harmful websites.

ObjectBase adware infection

Like other adware such as ProjectorQuantity, SimpleGuideSearchDaemon, and LogicallySearchDaemon, the ObjectBase adware can spread through Mac OS by means of several techniques executed by its developers. Furthermore, the most effective and common ways include:

Download and install: There are download sites that offer freeware bundles. These bundled applications are sometimes suspicious. Usually, developers market their invasive programs by incorporating them into other software for download and installation. Moreover, there are applications that request extra software installations; apparently, unwanted programs like ObjectBase could be present in those options.

Clicking on advertisements – While browsing different websites on the internet, web users tend to encounter numerous ads in different forms. Sometimes, there are ads powered by malicious software that spread on browsers, trying to trick internet users. Clicking on these advertisements can result in the installation of Potentially Unwanted Application (PUA) or adware on the operating system, since some ads are designed to execute scripts to inject malware on computers.

Screenshot of ObjectBase

More about ObjectBase Mac adware

Developers present ObjectBase as a useful and legitimate application improving the way of using Mac computers, most especially on browsing functions. However, their objectives are far different from what they declare them to be. When ObjectBase is present on Mac computers, it will begin to show intrusive advertisements such as:

  • Browser redirects
  • Pop-up ads
  • Push notification alerts
  • Ad-supported search results web pages
  • Campaign banners

Advertisements on ObjectBase can possibly have trackers, which help developers determine browsing-related details as well as personal information of Mac users. Such trackers could probably include browser cookies, geo-locators, and tags.

ObjectBase-associated browser redirects can link Mac users to different kinds of websites. Typically, it is a dangerous and dubious web page. Examples of such sites include:

  • Fraud sites
  • Phishing sites
  • Online gambling sites
  • Illicit streaming platforms
  • Sale or commission-based sites
  • Adult-related sites

For the safety of the Mac device as well as the user, getting rid of ObjectBase as soon as possible helps to eliminate threats from minor to serious infections it may further cause. There are tools or applications available on the internet for checking Mac computers to see if there are malicious operations on the system. Using an appropriate and legitimate program is strongly advisable.

Procedures to Remove ObjectBase 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 ObjectBase. 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 ObjectBase.

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 ObjectBase 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 ObjectBase 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 ObjectBase

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 ObjectBase, 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 ObjectBase

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.ObjectBase.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:

- ObjectBase, (random characters).plist

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

- ObjectBase

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 ObjectBase 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 ObjectBase.

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 ObjectBase 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 ObjectBase 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 ObjectBase 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 ObjectBase 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 ObjectBase 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 ObjectBase. 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 ObjectBase 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 ObjectBase.

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