How to remove TechFunctionSearch (Mac)

By Chona Esjay | Posted on May 16, 2020 | Updated on June 27, 2020

For average Mac users, the application TechFunctionSearch may not sound harmful. Hence, be aware that names can be deceiving most of the time and this type of app can cause adverse effect on the computer. While TechFunctionSearch is promoted as tool designed to enhance ones online browsing and search activities, the real objective was found to be the opposite. According to Mac security professionals, TechFunctionSearch belongs to family of potentially unwanted application (PUA) because it is utilizing a dishonest distribution practices. In addition, the installation of this PUA badly affects the browser experiences of web users.

After penetrating a machine behind Mac user’s knowledge, TechFunctionSearch will conquer internet browser program by installing itself as an Extension to Safari, Google Chrome, or Firefox. It attains baseless administrative privilege and is able to get full access to certain sensitive browsing data like username, passwords, banking details, search phrases, favorite sites, and more. It is unfortunate for web users that TechFunctionSearch can recover these data with ease without even getting the consent of owner.

As sign of the infection, web user starts to witness custom web settings that clearly manifest on homepage and startup pages. Default configuration on search provider is similarly replaced with an unreliable service from TechFunctionSearch. That being said, Mac user may never get the same accurate results when searching the internet. The objective behind the alterations

TechFunctionSearch is mainly to hijack and intercept web traffic for further redirection to another questionable site. Moreover, advertisements will have full display on the browser during internet browsing session. Data collected previously plays a role for TechFunctionSearch adware to show ads that are user-relevant and much targeted to their taste.

TechFunctionSearch

Obviously, TechFunctionSearch is an app that every Mac user must avoid. To accomplish this, they must learn that common sources of adware are malicious software bundle and bogus software update (see image above) that are pop-up out aggressively when visiting sites with copyright offenses such as the one that illegally distributing movies, music, or cracked software.

Procedures to Remove TechFunctionSearch 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.

Step 1 : 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 TechFunctionSearch. You may need to purchase full version if you require to maximize its premium features.

1. Download the tool from the following page:

Download Combo Cleaner Tool

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 it's latest virus definition updates and click on "Start Combo Scan" to start removing TechFunctionSearch.

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 2 : Delete TechFunctionSearch 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 TechFunctionSearch or any unwanted program.

Delete Unwnated App

4. Drag TechFunctionSearch to Trash Bin to delete the application from Mac.

5. Right-click on Trash icon and click on Empty Trash.

Step 3 : Remove Browser Extensions that belongs to TechFunctionSearch

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 TechFunctionSearch, click on Remove or Uninstall, to get rid of it.

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

Step 4 : Delete Malicious Files that have installed TechFunctionSearch

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.TechFunctionSearch
  • 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:

- AdLoad

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

- AdLoad

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 TechFunctionSearch adware.

Step 5 : Double-check with MBAM Tool for Mac

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

Click here to download MBAM for Mac

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 TechFunctionSearch.

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, TechFunctionSearch is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.

Step 6 : Remove TechFunctionSearch 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 TechFunctionSearch 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 TechFunctionSearch. 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 TechFunctionSearch 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 TechFunctionSearch. 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 TechFunctionSearch 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 TechFunctionSearch.

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