Remove App Discovery Tools

By Chona Esjay | Posted on July 17, 2020 |

Excessive pop-up ads that surpass the normal volume and are very distracting reveals that something is not right on the internet browser application. It can be due to adware infection that was able to inject malicious code on the browser to process the said excessive display of promotional objects. One adware that was seen to cause the said impact is called App Discovery Tools. Aside from exhibiting unusual number of ads on the browser, computer users gets annoyed furthermore by its unwelcome browser changes that puts Hp.tappdiscovery.tools on homepage and search engine.

If browser pages are dominated by Hp.tappdiscovery.tools search provider, web users online search activity will never function accurately prior to the infection. It is because, Hp.tappdiscovery.tools processes the search while giving more priority to generating online profit rather than providing useful search outcome. Therefore, search result page are frequently filled with paid links and other misleading advertisement that promotes partner’s sites and services. The browser will malfunction this way as long as App Discovery Tools is reigning on the internet application whether it is Google Chrome, Mozilla Firefox, Safari, or Edge.

Aside from degrading the search functionalities of infected browser program, App Discovery Tools is also the source of several annoyances especially when it kick-offs extreme pop-up ads and redirects. More than causing disturbances, this browser pages rerouting might lead to additional adware or malware infection because it can land user’s browser program to malicious websites that were made as repository of hazardous apps.

To conclude, even though App Discovery Tools is presented in a very attractive way, its origin is still suspicious. It came from a family of potentially unwanted program (PUP) that is the sole responsible for the distribution of other adware like Weather Discover, Checking My Email, Convert Files Tools, and the list goes on. Therefore, computer user must remove App Discovery Tools to bring back internet browser application to its normal and safe condition.

App Discovery Tools Removal Procedure for PC

Below is a systematic instruction that is very useful in getting rid of the potentially unwanted program (PUP) from compromised computer.

In order to totally eliminate the threat, it is vital to follow the process in exact manner.

Step 1: Quick Fix - Scan the computer with Anti-malware Program

1. Download the free anti-malware scanner called MalwareBytes Anti-Malware.

Download Malware Scanner

2. After downloading, install the program. It may run automatically or you have to double-click on the downloaded file MBSetup.exe.

3. Proceed with the installation using only the default setup. If you need the complete setup procedure, it is available on the download page.

4. After the installation process, click Get Started to run the program.

5. Continue with the prompts until the main program opens.

6. On Malwarebytes Anti-malware console, click on Scan to run the most comprehensive detection method and find any hidden items linked to App Discovery Tools.

7. Wait for the anti-malware to finish scanning the computer.

MBAM Scan

8. When scanning is done, Malwarebytes Anti-Malware will display the list of identified threats. Remove all identified threats including App Discovery Tools and restart the computer to finalized the scan process.

The above procedures should have totally eliminated the browser hijacker. However, if you still find that there are still remnants of App Discovery Tools on internet application, please proceed to manual removal of associated objects as outlined below.

Step 2: Delete Browser Extension

Most adware and unwanted programs are using a program called browser extension to be able to take over the settings of internet applications. Therefore, we highly recommend to check and remove the extension that is closely related to App Discovery Tools.

Remove App Discovery Tools Extension from Google Chrome

1. Open Google Chrome browser.

2. Type chrome://extensions/ in the address bar and press Enter on keyboard.

Chrome Extensions

3. Find App Discovery Tools or relevant entry and remove it from Google Chrome.

App Discovery Tools Chrome Extension

Uninstall App Discovery Tools Extension from Firefox

1. Open Mozilla Firefox browser.

2. Type about:addons in the address bar and press Enter on keyboard.

Firefox Extensions

3. Choose Extensions on sidebar menu.

4. Look for object that is pertaining to App Discovery Tools and remove it from the browser.

Remove App Discovery Tools Add-ons from Internet Explorer and Edge Browser

1. Open Internet Explorer program.

2. Go to top Menu and click Tools. Then, select Manage Add-ons from the drop-down list.

Internet Explorer Add-ons

3. Look for and Remove or Disable entries of App Discovery Tools from Toolbars and Extension and Search Providers section.

4. Close the window and restart Internet Explorer.

If App Discovery Tools is still present on the IE browser, another option is to remove the adware from Windows Control Panel.

5. Press Windows Key + R and then, type appwiz.cpl command.

6. Program and Features window will open. Arrange the list in chronological manner with recently installed applications on top. To do this, click on 'Installed On' column.

Add-Remove Adware

7. Select App Discovery Tools or recently installed unwanted entry. Then, click on Uninstall to remove it from Windows system.

Step 3: Scan and Delete Adware with AdwCleaner

In addition to the procedure, we suggest scanning the computer with AdwCleaner tool. Possibly, there are some traces of App Discovery Tools on the browser that was not deleted during the preceding steps. This tool will scan the computer and check for presence of malicious applications.

1. Follow the link below to download the tool called AdwCleaner.

Click here to download AdwCleaner (this will open a new window)

2. When the download has completed, please close all running programs on the computer especially browsers affected by App Discovery Tools.

3. Browse the location of the downloaded file and double-click on adwcleaner_Ver.exe to start running the tool. Then, click on Scan button.

AdwCleaner

4. AdwCleaner searches the computer for malicious programs, extensions, plug-ins, adware, and any items that may be associated to App Discovery Tools.

5. Clean or Remove all suspicious and harmful items identified after the thorough scan.

6. After the cleanup procedure, rebooting the computer is required to finalize the removal of detected threats.

Procedures to Remove App Discovery Tools from Mac

This section contains comprehensive guide for Mac users. It will help you remove malicious browser hijacker from internet application.

Procedures 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 malicious browser hijacker like App Discovery Tools. 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 App Discovery Tools.

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 App Discovery Tools 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 App Discovery Tools or any unwanted program.

Delete Unwnated App

4. Drag App Discovery Tools 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 App Discovery Tools

1. Locate the add-on or extension that is relevant to the hijacker. 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 App Discovery Tools or , 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 App Discovery Tools

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
  • com.unknown

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

- EightPoint

If you cannot find the specified file, please look for any unfamiliar or suspicious entries. It may be the one causing App Discovery Tools 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
/Library/Preferences

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 App Discovery Tools homepage hijacker.

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 App Discovery Tools.

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, App Discovery Tools 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 App Discovery Tools 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 App Discovery Tools 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 App Discovery Tools. 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 App Discovery Tools 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.

Step 7 : Delete App Discovery Tools Login Items

Some browser hijacker may also install login item into compromised account under System Preferences. This object automatically runs App Discovery Tools during user log in.

1. Go to Apple menu and choose System Preferences.

2. Select Users & Groups from the preferences window.

3. You may need to Unlock this area in order to make changes. Click on the Lock icon on lower left corner of the window.

4. Next, select user account that runs App Discovery Tools.

5. Click on Login Items tab.

6. Select App Discovery Tools, , or any suspicious entries from the list and click on the minus [-] button and confirm your actions. Please see image below for reference.

Login Items

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 App Discovery Tools. 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 , App Discovery Tools 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 App Discovery Tools.

Get rid of Tappdiscovery.tools Pop-ups (Notification)

Most of the time, browser hijackers are combined with intrusive pop-up ads originating from the source website Tappdiscovery.tools. It is taking advantage of push notification feature of popular internet programs like Google Chrome, Mozilla Firefox, Safari, or Edge. These pop-up ads from Tappdiscovery.tools are extra ordinary as it exceeds the normal display volume and they are certainly annoying.

Tappdiscovery.tools

Normally, Tappdiscovery.tools pop-ups will start to bombard internet browser screen with pop-ups if web user was deceived to click “Allow” button that triggers the said website to send push notification. To stop Tappdiscovery.tools from showing the pop-ups, please execute the procedures below. Remember, these steps may only be sucessful after the removal of the main component or dubious browser extension.

Google Chrome

1. On Google Chrome browser, input the following in the address bar and press Enter:

chrome://settings/content/notifications

2. Navigate to the list under "Allow" section and look for Tappdiscovery.tools.

3. Click the ellipses (3 dots) beside Tappdiscovery.tools list to reveal the options.

Chrome Push Notification

4. Click on Block or Remove to stop Tappdiscovery.tools from displaying pop-up ads on Google Chrome browser.

6. Please restart Google Chrome browser.

Mozilla Firefox

1. On Mozilla Firefox browser, type the following in the address bar and press Enter key:

about:preferences#privacy

2. Navigate below to Permission area and look for Notifications.

Firefox Notification Settings

3. Click the Settings button aligned with the Notifications.

4. Look for Tappdiscovery.tools entry and change the Status to Block.

Block Notification from Firefox

5. Click on Save Changes and restart Mozilla Firefox and check if Tappdiscovery.tools pop-up is gone.

Safari (Mac)

1. On top menu, click on Safari and then, select Preferences from the drop-down list.

2. Click on Websites tab to open its settings.

3. Select Notifications from the left sidebar.

4. On right panel, it will display a list of websites with "Allow" attribute.

5. Find and click on Tappdiscovery.tools.

6. You may choose to Deny or Remove it from the notification list.

7. You may now restart Safari browser and see if Tappdiscovery.tools pop-up is gone.

Microsoft Edge

1. Assuming that Edge browser is open, click on the ellipses (3 dots) on upper right corner to open the Settings. Alternatively, you can press Alt + X on the keyboard.

2. Select Settings from the drop-down list.

3. Click on Advanced.

4. Under Website Permissions area, click on Manage Permissions button.

Edge Push Notification

4. Find and select Tappdiscovery.tools from the list. Click on X button to stop it from showing pop-up ads or notifications.

Edge Notification Removal

5. You may now restart Edge browser.

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