Remove “Your System is seriously damaged, found viruses” (Mac)

By | Posted on August 31, 2019 |

Normally, the appearance of “Your System is seriously damaged, found viruses” is caused by malicious website that was published by cyber crooks to mislead Mac users about the current security state of their Mac system. The objective is to persuade web users to download a copy of MacCleaner. Apparently, users who follow the online instructions ended up having the suspicious program Cleanup My Mac on their computer.

On some instances, the appearance of “Your System is seriously damaged, found viruses” is not because of visited websites especially if the pop-up gradually appears on the computer. This can be a case of adware infection that corrupts the browser application leading to timely execution of “Your System is seriously damaged, found viruses” pop-up at specific interval. In this situation, computer security analysts suggest that cleaning the computer is the only solution to stop the aggressive pop-ups.

"Your System is seriously damaged, found viruses"

In general, the pop-up “Your System is seriously damaged, found viruses” is a scare tactics by cyber crooks to swindle money from Mac users by forcing them to purchase a worthless security and optimization tool. Therefore, seeing the pop-up is a sign of imminent computer risk. Closing the window and running a full scan of anti-virus and anti-malware tools is recommended to make sure that computer is free of malware. Also, avoid visiting sites that produces the fake security alerts and blocking their web address from internet software is similarly important to prevent infection.

Procedures to Remove "Your System is seriously damaged, found viruses" from Mac

This section contains comprehensive guide to 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 "Your System is seriously damaged, found viruses". You may need to purchase full version if you require to maximize its premium features.

1. Download the tool from the following page:

Click here to Download Combo Cleaner

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 "Your System is seriously damaged, found viruses".

Start Combo Scan

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 : Remove Browser Extensions that belongs to "Your System is seriously damaged, found viruses"

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 "Your System is seriously damaged, found viruses" or any suspicious objects, click on Remove or Uninstall, to get rid of it.

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

Step 3 : 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 "Your System is seriously damaged, found viruses".

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, "Your System is seriously damaged, found viruses" is surely part of it. Be sure to select all items in the list. Then, click Remove button to clean the computer.

Step 4: Delete "Your System is seriously damaged, found viruses" Login Items

Some browser hijacker may also install login item into compromised account under System Preferences. This object automatically runs "Your System is seriously damaged, found viruses" 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 "Your System is seriously damaged, found viruses".

5. Click on Login Items tab.

6. Select "Your System is seriously damaged, found viruses" 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 "Your System is seriously damaged, found viruses". 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 "Your System is seriously damaged, found viruses" 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 "Your System is seriously damaged, found viruses".

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