Remove “Your Browser Has Been Blocked Up” from Apple Mac OS X

If you are using an Apple Mac OS X, and you are seeing a “Your Browser Has Been Blocked Up for Safety Reasons” notification within Safari, Firefox or Chrome, then you have been redirected to a web page that contains a malicious javascript code. The “Your Browser Has Been Blocked Up” message is basically just a web page containing a malicious javascript that does not allow you to close the browser window or switch to a different web page.
[Image: "Your Browser Has Been Blocked Up Mac OS X virus]
The “Your Browser Has Been Blocked Up” virus will display a bogus notification that pretends to be from your local law enforcement agency (Examples: FBI, Department of Justice, Royal Canadian Mounted Police, Australian Federal Police, Police Central e-crime Unit) and states that your computer has been blocked due to it being involved with the distribution of pornographic material, spam and copyrighted content.
It goes on to say that you need to pay a ransom of $300 in order to get access to your files and computer again. In order to pay this ransom you need purchase a MoneyPak voucher and submit it in the web browser. The malware’s authors prefer these payment services because transactions made through them cannot be reversed and are hard to trace.

If your computer is infected with the “Your Browser Has Been Blocked Up” browser hijacker, this infection will display a localized webpage that covers the entire web browser of the infected computer and demands payment for the supposed possession of illicit material. The message displayed by this ransomware infection can be localized depending on the user’s location, with text written in the appropriate language.
[Image: Your Browser Has Been Blocked Up Mac OS X scam]
The text of the popup that is displayed when you try to close the browser window is:

Are you sure you want to leave this page?
Message from webpage:
YOUR BROWSER HAS BEEN BLOCKED UP FOR SAFETY REASONS.
ALL PC DATA WILL BE DETAINED.
ALL YOUR FILES ARE ENCRYPTED.

YOUR BROWSER HAS BEEN BLOCKED UP. Leave this page or Stay on this page.

Cyber criminals often updated the design of this lock screen, however you should always keep in mind that no law enforcement agency (eg: FBI, Department of Justice, Royal Canadian Mounted Police or Police Central e-crime Unit) will never lock down your computer or monitor your online activities.

The “Your Browser Has Been Blocked Up” browser blocker is a scam, and you should ignore any alerts that this malicious software might generate.
Under no circumstance should you send a MoneyPak, Ukash or Paysafecard voucher to these cyber criminals, and if you have, you can should request a refund, stating that you are the victim of a computer virus and scam.

How to remove the “Your Browser Has Been Blocked Up” browser virus from Apple Mac OS X (Removal Guide)

This page is a comprehensive guide, which will remove the “Your Browser Has Been Blocked Up” Mac OS X infection from your Apple Mac OS X. Please perform all the steps in the correct order. If you have any questions or doubt at any point, STOP and ask for our assistance.
OPTION 1: Remove Your Browser Has Been Blocked Up malicious web page from Apple Mac OS X by resetting Safari to its default settings
OPTION 2: Remove Your Browser Has Been Blocked Up browser hijacker Apple Mac OS X virus using Force Quit for your browser
OPTION 3: Remove Your Browser Has Been Blocked Up malicious web page from Apple Mac OS X by disabling Javascript

OPTION 1: Remove Your Browser Has Been Blocked Up malicious web page from Apple Mac OS X by resetting Safari to its default settings

To remove the Your Browser Has Been Blocked Up browser hijacker from Safari, we will need to reset your browser to its default settings.

  1. Click on the Safari menu and then choose Reset Safari
    [Image: Select Reset Safari from the menu]
  2. In the new windows, make sure all items are marked and click on the Reset button.
    [Image: Reset Safari to default settings]

OPTION 2: Remove Your Browser Has Been Blocked Up browser hijacker Apple Mac OS X virus using Force Quit for your browser

  1. Press Command + Option + Escape simultaneously. This will open the open the Force Quit Applications window.
    [Image: Press Command + Option + Escape to start Force Quit menu]
  2. Select Safari, Chrome, Firefox or any other browser in which your are seeing the Your Browser Has Been Blocked Up ransomware notification.
    [Image: Select Firefox, Chrome or Safari from Force Quit menu]
  3. Click the button that says “Force Quit“. This will forcefully end your browser program, thus removing the Your Browser Has Been Blocked Up browser hijacker.
    [Image: Click on the Force Quit button to remove Your Browser Has Been Blocked Up virus]
    If you cannot switch from the unresponsive app, press Command + Option + Shift + Esc for three seconds to force it to quit. This key combination tells OS X to force quit the front most app.
  4. Your browser should be closed now. Open the web browser again, then quickly close it again by using the button in the corner of the browser.
  5. You should now be able to open your browser without seeing the malicious pop-up. As a final step, clear your browser “History”.

OPTION 3: Remove Your Browser Has Been Blocked Up malicious web page from Apple Mac OS X by disabling Javascript

  1. Click on Safari in your browser menu, located at the top of your screen. When the drop-down menu appears, select the choice labeled Preferences
    Please note that you can use the following keyboard shortcut in lieu of the aforementioned menu item: COMMAND (APPLE) + COMMA
    [Image: Select Preferences from the Safari menu]
  2. Safari’s Preferences dialog should now be displayed, overlaying your browser window. Click on the tab labeled Security.
    [Image: Select Security from the Safari menu]
  3. Safari Security Preferences should now be displayed. In the third section from the top, labeled Web content, is an option titled Enable JavaScript. By default, this option is checked and therefore active. To disable JavaScript, simply uncheck the appropriate box. Then you should be able to close Your Browser Has Been Blocked Up and browser away.
    [Image: Disable Javascript in Safari]
    Once you have closed Your Browser Has Been Blocked Up, you can enable Javascript again in Safari.

To protect your Apple Mac OS X from future infections, we recommend that you download and install avast! Free Antivirus for Mac.

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STELIAN PILICI
I've started MalwareTips in 2010 to help people solve their computer problems. My area of expertise includes malware removal and computer forensics. I'm active in the various online anti-malware communities where I do researches for new malware threats as they are released.

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