Security-defender.xyz is a highly stubborn and cunning redirect virus that lays big influence on the targeted computer. Affected by Security-defender.xyz , users will be constantly interrupted and forced to access suspicious website. Under no circumstance should users download any program from Security-defender.xyz , or computer will be penetrated by other severe malware.
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Typically, the payload for Security-defender.xyz that is to pop up abruptly to redirect users to unknown website. By altering settings on Microsoft Edge, Mozilla Firefox, Google Chrome and Internet Explorer, Security-defender.xyz will pop up bunches of advertisements that are related to commercial product, coupon code, banner etc. Affected by Security-defender.xyz , computer will be dragged into slow speed and weird performance. In addition, based on the pop-up ads that are relevant to the content that you are visiting recently, it can be figured out that Security-defender.xyz has the capability to follow the trail of online activities and thus pick up your sensitive information on illicit purpose.

Mostly, according to the complaint from users, Security-defender.xyz can be known to infiltrate into computer by taking the advantage of free downloading program, spam email attachment and malicious link. If pay not enough attention on suspicious stuff, you will be involved into the disturbance out of awareness. Anyway, once affected by Security-defender.xyz , it is strongly suggested to get it removed as quickly as possible.

 


Remove Security-defender.xyz from Windows OS

If you have computer security problems on Mac OS, please read this Mac Guide – How to Clean and Protect Your Mac?


Solution 1 – Automatically Remove Security-defender.xyz with Professional Anti-malware (Recommended!)

Solution 2 – Manually Remove Security-defender.xyz with Anvanced PC Skills (lengthy and complicated )


Solution 1 – Automatically Remove Security-defender.xyz with Professional Anti-malware

Uninstalling program in Control Panel and removing extensions / add-on from web browsers can help us remove some adware and malware, but nowadays most of computer threats such as Security-defender.xyz are created with advanced technology and cannot be easily removed with regular methods, therefore we recommend using professional malware remover like SpyHunter antimalware to detect and remove threats automatically. It can avoid risks and mistakes of manual removal, it is  the best malware removal method for PC users.

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Now Scan your computer with SpyHunter Antimalware :

1. Download SpyHunter Anti-Malware with given button below:

Download SpyHunter Anti-malware

 *Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found.

More information about SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy

2. Once downloaded, please install it step by step according to the prompts of the installer:

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3. Now run SpyHunter 5, please click Start Scan Now to detect malware and PUPs related with Security-defender.xyz .

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4. Click View Scan Results when Scan is completed.

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5. To get rid of all detected threats, you need to Register the full version of SpyHunter:

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Manually Remove Security-defender.xyz with Anvanced PC Skills

Step 1. Remove Security-defender.xyz related plug-in, toolbar, add-on, extension from Chrome/Firefox/IE/Edge

Step 2. Uninstall Security-defender.xyz related programs from your computer;

Step 3. Change system folder settings to show all hidden files;

Step 4. Find and delete Security-defender.xyz related files in hidden folders;

Step 5. Find and remove Security-defender.xyz related registry files ;

Step 6. Reset Microsoft Edge, Chrome, Firefox and IE to remove Security-defender.xyz related hijacker;

Step 1.Remove Security-defender.xyz related extension from Microsoft Edge/ Chrome/Firefox/IE

Note – If you cannot find or remove a malicious extension, please read next step.

 

 

On Chrome

  • Click the Chrome menu on the browser toolbar.
  • Click Tools.
  • Select Extensions.
  • Click the trash can icon to delete extensions that may be related with Security-defender.xyz .
  • A confirmation dialog appears, click Remove.

  • Click the menu button and choose Add-ons.
  • In the Add-ons Manager tab, select the Extensions panel.
  • Select add-ons that may be related with Security-defender.xyz and click Remove button
  • Click Restart now if it pops up.

  • Open the IE, click the Tools button , and click Manage add-ons.
  • Click Toolbars and Extensions on left side of the window., and then select extensions that may be related with Security-defender.xyz ;
  • If the add-on can be deleted, you’ll see the Remove option. Click Remove and then click Close. Otherwise click Disable button.

 

  • Click More (…) on the address bar and select Extensions

 

  • Select extensions that may be related with Security-defender.xyz and click Uninstall button

 

 

 

 

 

 

 

 


Step 2.Uninstall Security-defender.xyz related programs from your computer

1. Press Win + R keys at the same time to launch Run box >> Then input: “Control Panel” and click OK

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2. In Control Panel, click on Uninstall a program

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3. In the Programs and Features window, right click on apps that may be related with Security-defender.xyz , then click Uninstall/Change. Then select Uninstall option.

Note – If you cannot find or remove malicious program, please continue the below steps.


Step 3.Change system folder settings to show all hidden files

Win 7 / Vista User

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  • Right-click the Windows Logo button and choose Open Windows Explorer.
  • Click Organize and choose Folder and Search Options.
  • Click the View tab, select Show hidden files and folders and then clear the checkbox for Hide protected system operating files.
  • Click Yes on the warning and then click OK.
Win 8 UserSecurity-defender.xyz  removal for win 8

  • On your keyboard press the Windows + E keys.
  • Click the View tab.
  • Check File name extensions and Hidden items

Win 10 User

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  • Open This PC, click View and select Options.
  • In the Folder Options window, choose View, select Show hidden files, folders, and drives, and then click OK.


Step 4.Find and delete suspicious files in the locations listed below:

%Temp%\[malware name]

%AppData%\[malware name]

%LocalAppData%\[malware name]

%LocalAppData%\[malware name].exe

%CommonAppData%\[malware name]

%AllUsersProfile%random.exe

Note

Virus and malware may hide its files in different locations of PC. If you are not able to locate files of Security-defender.xyz , you can try SpyHunter’s Malware Detection Tool to see if it will detect the unsafe files for you:

Download SpyHunter Anti-malware

 *Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found.      

More information about SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy



Step 5. Find and remove nasty registry files related with Security-defender.xyz :

1. Open Registry Editor first:

  • Press Win [Windows key] + R on your keyboard.

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  • Type regedit in the Run box and hit OK

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2. Find out and remove all harmful registry files that may be related with Security-defender.xyz :

(Do Not Delete Any Registry File If You’re Not Familiar with It)

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Note

Wrong operation in Registry Editor might harm your computer.If you are not able to locate and identify the nasty registry files, we recommend using SpyHunter Anti-malware and see if it will find out unsafe registry files of infection for you. This may save you hours and avoid risks.

Download SpyHunter Anti-malware

 *Free Remover allows you, subject to a 48-hour waiting period, one remediation and removal for results found.      

More information about SpyHunter, steps to uninstallEULAThreat Assessment Criteria, and Privacy Policy

 


Step 6. Reset Microsoft Edge, Chrome, Firefox and IE to remove Security-defender.xyz

Reset Microsoft Edge

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1. Select More (…) on the address bar, then click Settings

2. click “Choose what to clear”

3. Select all the options and then click Clear button

 

 

 

Reset Chrome

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1. Open Chrome, then click “Customize and control Google Chrome” button >> click Settings

2. Scroll down to the bottom, then click on Show advanced settings button

3. After clicking on Show advanced settings button, scroll down to the bottom and click on Reset browser settings button

. A message box will pop up to inform that your browser settings will be restored to their original defaults, click Reset button when it appears:

Reset Firefox

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1. Open Firefox, then click on Firefox button, then Click on Help button, then Click on Troubleshooting Information

2. At the Troubleshooting Information page, click on Reset Firefox

3. A message box will pop up to let you confirm that you want to reset Firefox to its initial state, click Reset Firefox button when it appears:

Reset Internet Explorer

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1. Open Internet Explorer, then click on Tools, then click on Internet Options

2. On the Internet Options window: click on Advanced tab, then click Reset button

3. A message box will pop up to let you confirm that you want to reset all Internet Explorer Settings, click Reset button when it appears:

4. When the resetting process is done, you’ll see this message box, click Close

5. You’ll need to restart your Internet Explorer to complete the resetting process.



Tips for Threat Prevention

– Always running professional Antivirus or Antimalware and keep Firewall ON;

– Create System Restore Point regularly and back up important personal files;

– Avoid downloading free programs from unknown third party shared sites;

– Regularly update system via automatic system update;

– Don’t access porn sites or similar sites which are potentially harmful;

– Avoid opening any attachments of unknown emails.