How to Remove Shroomcourt (Mac OS)

This article is about the suspicious browser extension called Shroomcourt. Included on this page are Easy Fix solution, Manual Removal Guide, and cleaning the Homepage and Search section of compromised internet program.

Shroomcourt is a program that is used to monetized software installation. It is a platform that generates revenue for developer and helps in the distribution of other program. The bad thing about Shroomcourt is some adware authors are utilizing this program to deploy malicious application Mac OS systems.

To be able to spread adware, authors of potentially unwanted program uses Shroomcourt to bundle their software into legitimate ones. In most cases, users are not aware that installing desired programs may contaminate their computers with various adware. Shroomcourt are commonly linked to freeware and third-party software.

Once Shroomcourt gets into Mac OS computer, it will install the host program and deliberately load other adware in the background. It installs unknown software without asking for user’s permission. Shroomcourt also alters various settings and drops essential file to be able to perform its task naturally on the compromised system. As a result of the unwanted modifications, Search.shroomcourt.com will become the new homepage.

With various software downloaded and installed by Shroomcourt, expect that its presence can somehow affect the Internet connection speed. It will definitely affect the overall performance of the computer particularly if tool that monitors your system is installed. There are numerous programs pretending to monitor the computer’s health which were found distributed by Shroomcourt.

Screenshot of Shroomcourt website

You need to get rid of Shroomcourt at once to avoid any further installation of adware into the computer. Complete guide is listed on this page. Make sure you download and scan the system with provided tools and security scanners.

Procedures to Remove Shroomcourt 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 Shroomcourt. 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.

Install Combo Cleaner

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 Shroomcourt.

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 Shroomcourt 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 Shroomcourt or any unwanted program.

Delete Unwanted App

4. Drag Shroomcourt 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 Shroomcourt

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 Shroomcourt, 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 Shroomcourt

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.Shroomcourt
  • 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:

- Genieo, Inkeeper, InstallMac

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

- Genieo, Inkeeper, InstallMac

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 Shroomcourt 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 Shroomcourt.

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

5. After the scan, Malwarebytes Anti-malware for Mac will display a list of identified threats, Shroomcourt 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 Shroomcourt 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 Shroomcourt 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 Shroomcourt. 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 Shroomcourt 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 Shroomcourt. 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 Shroomcourt 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 Shroomcourt.

About the author

3 thoughts on “How to Remove Shroomcourt (Mac OS)”

  1. Dear Malwarefixes,

    I really appreciate your advice.

    I didn’t follow all the steps e.g. Malwarebytes won’t’ run on my old Mac’s system 10.7.5, and the extensions list in Chrome’s Prefs didn’t show Shroomcourt.

    Also, I added a step from PreciseSecurity — open the Applications folder and to delete SoftwareUpdater and Shroomcourt, and it said “Note: Malware may use alternative names instead of Shroomcourt to mislead security programs as well as users. If in case the above list is not present, please look for unfamiliar or suspicious items containing the same extension as update.plist, ltvbit.plist, and download.plist.”

    I added a couple of steps of my own e.g. emptied Trash after moving those files into it from Library, and in Chrome’s Prefs I found I needed to change the old On Startup from Open a specific page.. to Continue where I left off. Also I had to fix Prefs in all three of the browsers on my Mac – Chrome, Firefox and Safari. (Interesting that it had infected Safari, because I hadn’t opened that in weeks, and acquired Shroomcourt only a bit over a week ago).

    But I think I’ve managed to get rid of it. Or at least any sign of it, so far.

    One question – in the Applications folder, the Shroomcourt folder contained just Uninstall Shroomcourt.app and Uninstall_Shroomcourt.txt. Is that what you’d expect? I have NOT run the Uninstaller, and have moved the folder to the Trash, but haven’t emptied Trash yet in case Shroomcourt reappears and I want to give the Uninstaller a go. Is this wise?

    Many thanks
    Stephen

  2. Stephen, With so many discussions about this adware, we can concur that it is highly dangerous to run any executable file from Shroomcourt and this includes the Uninstall file. Both files you mentioned under Applications/Shroomcourt is anticipated on this type of infection. However, this adware is tricky. It may used other “unknown” folder. Thus, in other machine, Shroomcourt files and folders do not exists. In cases like these, it is still best to run anti-malware scanner. If MBAM is incompatible with your Mac, try Bitdefender Adware Removal Tool for Mac.

  3. Yikes, I’m so non-savvy, this is complicated. Hope I manage. Glad I asked, ’cause I would have just tried to remove it from my Applications.

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