Know about “Unknown Security Breach” fake alert

“Unknown Security Breach” fake alert often appears on your screen when your PC is infected with a browser hijacker infection that enters the machine silently without any notification and hijacks all the browsers installed in it. The aim of its developers is to make online revenues illegally through rookie PC users and therefore this hijacker program performs all the malicious deeds in the PC to accomplish its goal. Initially, it makes important alterations in default browser’s settings by replacing the default home page, new tab page and search engine with a perilous URL. It also installs several ‘helper objects’ to the browser so that you could not restore that changes made by it. After acquiring complete control over your web activities, it displays “Unknown Security Breach” fake alert stating that your computer is under virus attack which can cause serious damages to the machine and hence, you must remove it from the PC.

You are provided a tech support number (“1-844-346-3716”) and suggested to call on it in order to talk with the remote helpers and get the further instructions.  You are strongly advised to not call on this given number as it is just a scam to scare you and make you fool into buying and installing bogus software. Once you talk with the remote technicians, they will misguide you to even worse circumstance and encourage to install a harmful program presenting it as a useful tool that will supposedly remove the existing virus from the computer and keep PC away from further attacks. But before you download and install this so called useful tool, you will have to transfer an amount of money to the crooks’ account. Moreover, once this application gets installed, it does nothing but harming the system badly. Appearance of “Unknown Security Breach” fake alert on the browser reduces the complete browsing sessions as it takes up huge memory space and increases the usage of CPU.

This hijacker mainly attacks computer systems that have windows OS installed in them and most often penetrates the machine through freeware and shareware downloads. It is necessary for you to be very attentive while installing an application, read the terms and conditions carefully and always opt for custom or advanced installation method instead of the default one. This nasty infection makes the security programs and anti-virus tool running inside ineffective and brings more hazardous threats in the computer as well. And therefore, it is necessary to ignore “Unknown Security Breach” fake alert and delete the existing malware from the PC quickly.



Steps To Remove “Unknown Security Breach” fake alert From Compromised Computer

The infections like “Unknown Security Breach” fake alert or similar ones or those belong to other malware category are all designed to generate with only ill intention to make money for its developers who make use of any technique to force you down. However, most of the security experts associated with different security associations say this is not much harmful browser and can be removed from an infected computer by getting through some steps. If you follow the steps in the same order and with full attention as described in the procedures below, we hope you can also free up your PC easily. It’s recommended to take a hard copy of the guidelines on paper or get another computer to assist you following the steps without any hassles.

Step 1:Track and remove “Unknown Security Breach” fake alert from computer’s processes from task manager.

Step 2:Locate and delete the definition of this program from startup files, registry files, and host files.

Step 3:Removal of “Unknown Security Breach” fake alert from all reputed browsers.

Step 4:Delete “Unknown Security Breach” fake alert with an automatic solution(The Safest and most recommended method)

Step 1: Track and remove “Unknown Security Breach” fake alert from computer’s processes from task manager.

  • Launch the Task Manager by pressing a key combination CTRL+SHIFT+ESC simultaneously.

  • Review the suspicious processes and note down its file location on computer.end-malicious-process

  • Terminate the processes now.

  • Open the “Run” command box and enter the noted down location to open in file explorer.

  • Delete the file permanently.

Step 2: Locate and delete the definition of this program from startup files, registry files, and host files

  • Launch the file explorer or any folder from my computer.

  • Click on “View” option in the above Menu (Older Windows version’s user may go to control panel to open “Folder options”)

  • Choose “Folder and Search Options”

  • Click over “View” tab.

  • Scroll down to find “Show hidden files and folders” option, and check it in the check box.

  • Find “Hide protected operating system files” and uncheck it. (This will allow you to see super-hidden files in any folder to identify the suspicious ones.)

  • Click “Apply” then “Ok”

Cleaning “Unknown Security Breach” fake alert definitions from Windows registry

  • To open Windows registry editor, click Win+R combination.

  • Type “regedit” ro simply copy and paste in the command line

  • Press Ok.

  • Navigate to below mentioned registry files depending on your OS versions (32 bit or 64 bit) and delete the files.

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or


  • Now Launch the Windows explorer and navigate to %appdata% to find and delete suspicios executable files from there, and close the window.

Fixing Hosts file to block the unwanted redirections on all active browsers

  • Open windows explorer and navigate to Windows directory.

  • Go to System32/drivers/etc/host

  • open the host file and notice it. If the system is hijacked by the infection you would see several IP definitions at the bottom.

  • Select those IP addresses and delete them. (Don’t delete the local host entry)

  • Save and close the file, and exit the explorer window.

Step 3: Removal of “Unknown Security Breach” fake alert from all reputed browsers (Steps included for Chrome, Firefox & Internet Explorer)

Google Chrome

  • Launch Chrome browser.

  • Click over the main menu icon and select Tools or More Tools, then Extensions.

  • Scroll down to notice the list of installed extensions to find suspicious one and click the bin option beside it.

  • Click remove button to confirm the deletion.

  • Finally, Reset the Chrome settings to default leaving nothing behind.

Mozilla Firefox

  • Launch the Firefox and press CTRL+SHIFT+A to open extension Window.

  • Look for the “Unknown Security Breach” fake alert extension and Disable it.

  • Now go to Help section.

  • Click over Troubleshooting information then hit the Reset button.

  • Confirm the act to reset the browser.

Internet Explorer

  • Simply, open the browser and click thee Gear Icon on the upper right corner.

  • Navigate to Internet options and click it.

  • Now, navigate to Toolbars and Extensions, to see the list of installed addons to find unwanted one.

  • Disable or delete the selected extensions permanently.

  • In order to reset the Ie, click over Advanced tab, and click Reset.

  • Press OK button to confirm.

Cleaning the browser’s shortcuts on the computer is also recommended in most of the cases and should be accomplished for all installed browsers, for which the steps are:

  • Select the browser short-cut, and right click on it.

  • Navigate the properties and click it.

  • In the opened window, find the target option, and remove the argument for “Unknown Security Breach” fake alert.

  • Apply the changes.

Step 4: Remove “Unknown Security Breach” fake alert with an automatic solution

Although the removal method through manual instructions are effective and proven to provide the best results, still some of the victimized users may fail to get the results as per their desire. This can happen due to lack of technical consent to access most of the administrative utilities as used in above guidelines. If you also got stuck through the instructions or seeking the safest method which needs not any high end manual steps, then opting an automatic solution could be the best solution. You just need to do a few instructions taken in practice to install and scan the system deeply that will fix all issues and remove “Unknown Security Breach” fake alert completely. The required steps to do so is all here mentioned.


Easily remove all online trending threats from your PC safely at just single click.

Step 1:Download and install “Unknown Security Breach” fake alert removal tool and install it on your computer (Note:this is a free scanner that will detect the present malwares on your system only. In order to fix the threats completely, you would have to buy its full version to remove the threats.)

Step 1

Step 2: After the installation is finished, run the scanner and you will see the two options as depicted in the image below. Click on “Scan Computer Now” button.

Step 2

Step 3: In this step, you would see the scanning process bar with detection of found threats and its short description along-with its categorized thumbnail.

Step 3

Step 4: Lastly, the scanner finishes scanning the computer to show full list of detected threats on computer. Just click on “Fix Threats” button to complete the removal that hardly takes a few moments depending upon the nature and severity level of the malware items.

Step 4