How to remove SectionIndexer (Mac)

SectionIndexer is a potentially unwanted application (PUA) that works compatibly with Mac OS. It was also designed to display different kind of advertisements on infected browser program and for this; it matches the classification of Adware or Ad-supported software. Actually, SectionIndexer forces an entry to target browser program to monetize its existence by commanding Safari, Google Chrome, or Firefox to display advertisements. In addition, SectionIndexer makers similarly makes revenue through its internet traffic referral scheme by redirecting the compromised browser application to different kinds of suspicious websites.

This undesirable browser extension commonly reach target Mac computers through variety of methods. Hence, the most valuable technique that attackers are using to enforce a successful installation is through software bundles. The said method requires carriers that are frequently freeware, which Mac users are fond of acquiring. Apps like free tools, media players, file converter, games, internet speed booster, are free software that SectionIndexer often comes with.

There were also reported cases that browser was infected with SectionIndexer app right after Mac user downloads and executes a software update. It is important to note that majority of software update publicized on pop-up ads are often bogus. This is a trick by SectionIndexer makers to sway Mac users and influence them to download and install the app. Once the setup is run, it actually installs SectionIndexer app and not the software update as expected by Mac user.

SectionIndexer App

The complete installation of SectionIndexer and its existence on internet browser application could be the root for different conflicts and annoyances. As aggressive browser extension, this threat could process too many internet request and system resources usage that will prompt Mac to show warnings such as the following:

Do you want the application “SectionIndexer” to accept incoming network connections?

“SectionIndexer.app” wants access to control “Safari.app”. Allowing control will provide access to documents and data in “Safari.app”, and perform actions within that app.

These warning pop-up messages clearly show how risky it is to have SectionIndexer on the computer. It may be promoted as useful tool but the reality demonstrate that this questionable browser extension is a computer threat. Therefore, we highly encourage Mac users to get rid of SectionIndexer app before it can cause further harm on the computer.

Procedures to Remove SectionIndexer 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 System 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 SectionIndexer. You may need to purchase full version if you require 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.

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

5. Wait until antivirus downloads its latest virus definition updates and click on "Start Combo Scan" to start removing SectionIndexer.

Combo Cleaner Scanner

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 : Delete SectionIndexer 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 SectionIndexer or any unwanted program.

Delete Unwnated App

4. Drag SectionIndexer to 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 SectionIndexer

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 SectionIndexer, 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 SectionIndexer

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

The term unknown is just a representation of the actual malware name. Attackers may masks the actual name with following:

- SystemJump, ExtraBrowser

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

- SystemJump, ExtraBrowser

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 SectionIndexer 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 if most recent version is available. This is necessary in finding recent malware threats including SectionIndexer.

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.

MBAM for Mac - Scan

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

Step 5 : Remove SectionIndexer from Homepage and Search

Safari

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

Google Chrome

- Open Chrome browser.
- Type the following on the address bar and press Enter on keyboard : chrome://settings/
- Look for 'On Startup' area.
- Select 'Open a specific page or set of pages'.
- Click on More Actions and select Edit.
- Enter the desired web address as your home page, replacing SectionIndexer. Click Save.
- To set default search engine, go to Search Engine area.
- Click on 'Manage search engines...' button.
- Go to questionable Search Engine. Click on More Actions and Click 'Remove from list'.
- Go back to Search Engine area and choose valid entry 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
- On Startup area, select 'Show your home page' under 'When Firefox starts' field.
- Under Home Page field, type the desired URL to replace SectionIndexer settings.
- To configure default search engine, select Search on left sidebar to display settings.
- Under Default Search Engine list, please select one.
- On the same page, you have an option to Remove unwanted search engine.

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

Some user complains that there is no way to change browser settings because it is grayed out by SectionIndexer. In such situation, it is important to check if there is 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 SectionIndexer or any relevant profile from the left pane. See image below.

Remove Profile

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

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

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