Shieldproblocker.xyz pop-up scam (Virus removal guide)

What is Shieldproblocker.xyz?

Shieldproblocker.xyz is a site involved in the YOUR IPHONE HAS BEEN COMPROMISED scam. The scam uses social engineering techniques to trick users into believing that their iPhone has been compromised. Scammers use threatening messages to lure the users into installing or purchasing fake optimizers and rogue security apps. It is important to emphasize that this scam is in no way associated with Apple and has nothing to do with it.

QUICK LINKS

• What is Shieldproblocker.xyz?
• Protection
• How to remove Shieldproblocker.xyz pop ups

When visitors land on Shieldproblocker.xyz, it displays a fake system pop-up informing the iPhone has been compromised and an immediate action is required. Clicking on the OK button closes this pop-up and opens a message stating that the iPhone may have viruses, its memory is damaged and immediate action is required, otherwise the data stored in the phone will become available to third parties. Shieldproblocker.xyz prompts users to click the “Protect” button to download and install the recommended security app.

It is important to emphasize that there are no websites capable of detecting that the iPhone has been compromised, therefore sites making such claims are always scams!

Text presented on the Shieldproblocker.xyz website:

YOUR IPHONE HAS BEEN COMPROMISED
Immediate Action Is Required!
OK

Apple Security

Important notice. You may have viruses on your IOS 15.4.1!
Your phone’s memory is already having 17% of damage. Prompt action is required, otherwise,
the device will become defective and all your data including accounts, photos, and payment data will be available to third parties.

Important: to protect yor device, click the button “Protect“ below, install Security App from the AppStore, open it and run cleaning procedure.

Protect
Detected By Apple.

The scam can promote legitimate software, but is more often used to distribute potentially unwanted applications (PUAs). Although these apps look harmless, they often have malicious capabilities. Such applications can forcibly redirect users to deceptive sites, promise fake features that they really do not have (for example, remove viruses, block ads), display unwanted ads, change browser settings to promote fake search engines, collect user personal data (including logins and passwords, browser history) and so on.

To summarize, the Shieldproblocker.xyz site cannot be trusted! It can lead to malware infection, loss of data, financial losses, theft of personal information and other serious problems.

How to protect against the Shieldproblocker.xyz scam

To avoid becoming a victim of scammers, it is important to always keep in mind:

• There are no sites that can detect compromised iPhones.
• Never install software promoted by scam sites, as it can be useless, and besides, it can be dangerous for you and your device.
• Close the Shieldproblocker.xyz scam as soon as it appears on your device screen. Scammers can prevent you from closing it in various ways. In such cases, close your browser using the App Switcher (Open the App Switcher, Tap and hold on the web-browser until the red circles with a minus sign appears. Tap the minus sign on it to Force Quit the web-browser). If the next time you launch the browser, it prompts you to restore the previous session, abandon it, otherwise this scam will reopen on your screen.

Threat Summary

Name	Shieldproblocker.xyz
Type	scam, fake alerts, phishing
Fake claims	iPhone has been compromised, “Important notice. You may have viruses on your IOS 15.4.1!”
Symptoms	advertising banners appear on web-pages that you are visiting every time you perform an Internet search, your web browser is redirected to another website new entries appear in your Apps folder new icons in your web-browser unexpected changes in your web browser such as displaying new tabs you didn’t open slow Internet or slow browsing CPU usage seems unusually high
Removal	Shieldproblocker.xyz removal guide

 

The Shieldproblocker.xyz scam isn’t the only one on the Internet that aims to trick users into installing untrusted and malicious apps. We have already reported such scams many times: Your iPhone Has Been Hacked, Iphone Calendar Virus/Spam, SYSTEM NOTIFICATION scam, Your iPhone was hacked after visiting an Adult website, Your connection might not be secure.

Where the Shieldproblocker.xyz pop-ups comes from

If your browser redirects to the Shieldproblocker.xyz scam regularly, then it is possible that Adware or PUAs are installed on your iPhone. Adware is a term that originates from ‘ad supported’ software. In many cases, ‘adware software’ is considered by many to be synonymous with ‘malicious software’. Its purpose is to earn money for its author by displaying unwanted advertisements to a user while the user is browsing the World Wide Web.

Adware software spreads bundled with various malicious downloads, fake updates and free applications. This means that you need to be very careful when installing apps downloaded from the Net, even from Apple AppStore. Be sure to read the Terms of Use and the Software license, select only the Manual, Advanced or Custom install mode, switch off all bundled modules and apps are offered to install.

If the Shieldproblocker.xyz scam keeps popping up on the device screen and, after closing it, it appears again and again, then try the following simple steps to solve the problem: turn on pop-up blocker; turn on fraudulent website warnings; delete web browsing data. Below we will demonstrate how to do this.

Open the Apple device settings, then scroll down the list of settings to Safari, tap on it.

In the list of settings, find switches “Block Pop-ups” and “Fraudulent Website Warning”, check if they are enabled. If any of the switches are off, then it must be turned on. Having done this, scroll down the settings and tap “Advanced”.

On the Advanced settings screen, tap “Website Data”, scroll down the list of web-domains and tap “Remove All Website Data”.

How to remove Shieldproblocker.xyz pop-ups (Adware removal guide)

If you have consistent pop-ups or unwanted advertisements, slow/freezing MAC issues, you are in need of adware software removal assistance. The steps below will guide you forward to get Shieldproblocker.xyz pop up scam removed and will help you get your machine operating at peak capacity again.

To remove Shieldproblocker.xyz, complete the steps below:

1. Remove unwanted profiles on Mac device
2. Check the list of installed programs
3. Remove Shieldproblocker.xyz related files and folders
4. Scan your Mac with MalwareBytes
5. Remove Shieldproblocker.xyz from Safari, Chrome, Firefox
6. How to stop Shieldproblocker.xyz pop ups

Remove unwanted profiles on Mac device

Adware can make changes to the Mac system such as malicious changes to browser settings, and the addition of malicious system profiles. You need to check the system preferences, find and remove malicious profiles and ensure your settings are as you expect.

Click the System Preferences icon ( ) in the Dock, or choose Apple menu ( ) > System Preferences.

In System Preferences, click Profiles, then select a profile related to Shieldproblocker.xyz.

Click the minus button ( – ) located at the bottom-left of the Profiles screen to remove the profile.
Note: if you do not see Profiles in the System Preferences, that means there are no profiles installed on your Mac, which is normal.

Check the list of installed programs

One of the first things to attempt for removal of adware is to check your Mac device installed programs screen and look for unwanted and questionable applications. If there are any apps you do not recognize or are no longer using, you should uninstall them. If that doesn’t work, then you may need to run malware removal tool such as MalwareBytes AntiMalware.

Open Finder and click “Applications” as shown in the figure below.

You will see a list of apps installed on your MAC. We recommend to pay maximum attention to the program you installed last. Most likely, it is the adware that causes Shieldproblocker.xyz scam in your web-browser. If you are in doubt, you can always check the program by doing a search for her name in Google, Yahoo or Bing.

After the application which you need to delete is found, simply right click on its name, and choose “Move to Trash”.

Don’t forget, choose Finder, then “Empty Trash”.

Remove Shieldproblocker.xyz related files and folders

Now you need to try to find Shieldproblocker.xyz related files and folders, and then delete them manually. You need to look for these files in certain directories. To quickly open them, we recommend using the “Go to Folder…” command.

Click on the Finder icon. From the menu bar, select Go and click “Go to Folder…”. As a result, a small window opens that allows you to quickly open a specific directory.

Check for Adware generated files in the /Library/LaunchAgents folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/LaunchAgents

This will open the contents of the “/Library/LaunchAgents” folder. Look carefully at it and pay special attention to recently created files, as well as files that have a suspicious name. Move all suspicious files to the Trash. A few examples of files: installapp.plist, com.machelper.plist, search.plist, macsearch.plist and . Most often, PUPs, adware software and browser hijackers create several files with similar names.

Check for Adware generated files in the /Library/Application Support folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/Application Support

This will open the contents of the “Application Support” folder. Look carefully at its contents, pay special attention to recently added/changed folder. Move all suspicious folders to the Trash.

Check for Adware generated files in the “~/Library/LaunchAgents” folder

In the “Go to Folder…” window, type the following text and press Go:
~/Library/LaunchAgents

Proceed in the same way as with the “/Library/LaunchAgents” and “/Library/Application Support” folders. Look for suspicious and recently added files. Move all suspicious files to the Trash.

Check for Adware generated files in the /Library/LaunchDaemons folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/LaunchDaemons

Carefully browse the entire list of files and pay special attention to recently created files, as well as files that have a suspicious name. Move all suspicious files to the Trash. A few examples of files to be deleted: com.macsearch.plist, com.search.plist, com.installapp.plist and com.machelper.plist. In most cases, browser hijackers, potentially unwanted programs and adware software create several files with similar names.

Scan your Mac with MalwareBytes

We recommend using MalwareBytes Anti-Malware to scan the Apple computer for adware, browser hijackers and potentially unwanted programs. This free utility is an advanced malware removal program designed by (c) Malwarebytes lab. This program uses the world’s most popular anti malware technology. It is able to help you remove browser hijackers and other security threats from your Apple computer for free.

MalwareBytes can be downloaded from the following link. Save it on your Microsoft Windows desktop.

When the download is done, close all windows on your MAC. Further, open the saved file. Follow the prompts.

The MalwareBytes Anti-Malware will automatically start and you can see its main window as shown on the screen below.

Next, click the “Scan Now” button to perform a system scan with this utility for the adware software that causes Shieldproblocker.xyz pop up scam in your browser. A system scan can take anywhere from 5 to 30 minutes, depending on your Apple Mac.

Once the scan is done, it will open the Scan Results. Review the results once the utility has done the system scan. If you think an entry should not be quarantined, then uncheck it. Otherwise, simply press the “Quarantine” button.

The MalwareBytes AntiMalware will move the selected threats to the Quarantine.

Remove Shieldproblocker.xyz from Safari, Chrome, Firefox

If you are still seeing Shieldproblocker.xyz pop ups that won’t go away, you might have harmful extensions installed on your internet browser. Check your web-browser for unwanted extensions using the steps below.

Google Chrome	Mozilla Firefox
In the top right hand corner, click on ‘three vertical dots’, and this will open up the main menu on Chrome. In the menu go to ‘More tools’, then ‘Extensions’. Click ‘Remove’ to uninstall an extension. Click ‘Remove’ in the dialog box. You can also try to remove Shieldproblocker.xyz pop-ups by reset Chrome settings.	Click on ‘menu’ button and select ‘Add-ons’. Go to ‘Extensions’ tab. To uninstall an add-on, click on ‘Remove’ button next to it. If you are still experiencing issues with Shieldproblocker.xyz scam removal, you need to reset Mozilla Firefox browser.
Safari
On the top menu select ‘Safari’, then ‘Preferences’. Select ‘Extensions’ tab. Select an extension you want to delete and click ‘Uninstall’ button next to it.

How to stop Shieldproblocker.xyz pop ups

It is important to run ad-blocker programs such as AdGuard to protect your MAC system from harmful web pages. Most security experts says that it is okay to stop advertisements. You should do so just to stay safe! And, of course, the AdGuard can to stop Shieldproblocker.xyz pop-ups and block other scam web-pages.

Visit the following page to download AdGuard. Save it on your Windows desktop.

Once the downloading process is done, run the downloaded file. The “Setup Wizard” window will show up on the computer screen.

Follow the prompts. AdGuard will then be installed. A window will show up asking you to confirm that you want to see a quick guide. Click “Skip” button to close the window and use the default settings, or click “Get Started” to see an quick tutorial that will allow you get to know AdGuard better.

Each time, when you start your MAC, AdGuard will start automatically and stop unwanted pop-up ads, block Shieldproblocker.xyz, as well as other harmful or misleading web sites.

To sum up

Once you have removed the adware using the step-by-step tutorial, Firefox, Safari and Google Chrome will no longer show the Shieldproblocker.xyz scam when you surf the Internet. Unfortunately, if the few simple steps does not help you, then you have caught a new adware, and then the best way – ask for help.

Please create a new question by using the “Ask Question” button in the Questions and Answers. Try to give us some details about your problems, so we can try to help you more accurately. Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the Shieldproblocker.xyz popups.