Easy steps to delete “System Alert! Add Extension”

“System Alert! Add Extension” is a bogus extension virus that show you fake System alert message on the computer screen. It is invented by the team of cyber crook with the intention to makes money through irritate innocent users. It show you fake pop-up message on the running web browser while you surfing internet. This popup say that your System has been out of date and the running software need to update. But actually in this way “System Alert! Add Extension” tries to force users to update the System as well as software with third party rogue software program that having lots of infection with them. So users must be avoid such types of message and never try to install any program. If you update the System with third party program cyber crook may get commission on pay per installation.

How “System Alert! Add Extension” Get Enters:

“System Alert! Add Extension” is a very cunning System virus that get enters into the target System with the packages of System software like as adobe reader, flash player, PDF creator etc which users download and installed through infected webpage without read their terms and license agreements. So users must be aware and never try to install any program without read their End Users License Agreements [EULA] as well as select Custom or Advance options before the proceeding installation process.

How “System Alert! Add Extension” is malicious virus:

Once “System Alert! Add Extension” get enters into the target System, it will show you fake security alert message and update notification while you browsing internet. It may alter your System internal configuration setting Such as System, Desktop, Homepage and other crucial setting etc. It may redirect users to the other harmful webpage without any user’s notification. It turns text into the hyper link.  It also collects the vital information like as email-id, Password, Bank details, IP address etc which later forwarded them to the cyber offender for miss guide. “System Alert! Add Extension” also open back doors to invite the other harmful infections like as Trojan, Malware, and Spyware etc. It also consumes huge resources of the CPU memory as the result is that the overall performance of the System becomes downpour regularly and lastly it make the System totally ruins.

Expert Suggestion:

Have your System got infected with “System Alert! Add Extension” virus then you are highly suggested to delete now. But it is very hard to detect and eliminate. So please follow the below removal guide that help you to remove “System Alert! Add Extension” easily and instantly from System.


Steps To Remove “System Alert! Add Extension” From Compromised Computer

The infections like “System Alert! Add Extension” 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 “System Alert! Add Extension” 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 “System Alert! Add Extension” from all reputed browsers.

Step 4:Delete “System Alert! Add Extension” with an automatic solution(The Safest and most recommended method)

Step 1: Track and remove “System Alert! Add Extension” 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 “System Alert! Add Extension” 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 “System Alert! Add Extension” 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 “System Alert! Add Extension” 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 “System Alert! Add Extension”.

  • Apply the changes.

Step 4: Remove “System Alert! Add Extension” 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 “System Alert! Add Extension” 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 “System Alert! Add Extension” 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

“System Alert! Add Extension”