MeteorDefender Mac OS

Earlier Tuesday, Apple released a security a update for Mac OS X 10.6.7, update 2011-003, that included malware detection and removal for the MacDefender phishing attack and its variants. System Requirements: Bitdefender Antivirus for Mac. In order to run Bitdefender Antivirus for Mac properly, your device must meet the following set of requirements.

A phishing scam has targeted Mac users by redirecting them from legitimate websites to fake websites which tell them that their computer is infected with a virus. The user is then offered Mac Defender 'anti-virus' software to solve the issue.
This “anti-virus” software is malware (i.e. malicious software). Its ultimate goal is to get the user's credit card information which may be used for fraudulent purposes.
The most common names for this malware are MacDefender, MacProtector and MacSecurity.

Apple released a free software update (Security Update 2011-003) that will automatically find and remove Mac Defender malware and its known variants.
The Resolution section below also provides step-by-step instructions on how to avoid or manually remove this malware.

Resolution

How to avoid installing this malware

If any notifications about viruses or security software appear, quit Safari or any other browser that you are using. If a normal attempt at quitting the browser doesn’t work, then Force Quit the browser.

In some cases, your browser may automatically download and launch the installer for this malicious software. If this happens, cancel the installation process; do not enter your administrator password. Delete the installer immediately using the steps below.

  1. Go into the Downloads folder, or your preferred download location.
  2. Drag the installer to the Trash.
  3. Empty the Trash.

How to remove this malware

If the malware has been installed, we recommend the following actions:

  • Do not provide your credit card information under any circumstances.
  • Use the Removal Steps below.

Removal steps

  1. Move or close the Scan Window.
  2. Go to the Utilities folder in the Applications folder and launch Activity Monitor.
  3. Choose All Processes from the pop up menu in the upper right corner of the window.
  4. Under the Process Name column, look for the name of the app and click to select it; common app names include: MacDefender, MacSecurity or MacProtector.
  5. Click the Quit Process button in the upper left corner of the window and select Quit.
  6. Quit Activity Monitor application.
  7. Open the Applications folder.
  8. Locate the app ex. MacDefender, MacSecurity, MacProtector or other name.
  9. Drag to Trash, and empty Trash.

Malware also installs a login item in your account in System Preferences. Removal of the login item is not necessary, but you can remove it by following the steps below.

  • Open System Preferences, select Accounts, then Login Items
  • Select the name of the app you removed in the steps above ex. MacDefender, MacSecurity, MacProtector
  • Click the minus button

Use the steps in the “How to avoid installing this malware” section above to remove the installer from the download location.

Note: Apple provides security updates for the Mac exclusively through Software Update and the Apple Support Downloads site. User should exercise caution any time they are asked to enter sensitive personal information online.

What is MacOsDefender?

MacOsDefender is a nasty PUP or rogueware, it is designed by nasty third-parties and has closed relationship with other ad-provided platform. When there is MacOsDefender on system, it is usually a sign of adware attack.

Invading into the system silently, MacOsDefender begins to activate itself and modifies the start-up program settings. As long as the system is launched, MacOsDefender begins to malfunction the system. MacOsDefender flood your screen with fake errors or virus warning. It uses such trick to make you buy its license. And then, the security settings are also modified as well. Users will get many random popups and fake notifications. With MacOsDefender on the system, more and more harmful vulnerabilities are generated. The PC is under great risks to be severely attacks. MacOsDefender should be removed completely as soon as possible.

Manually Remove MacOsDefender from Windows OS

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

(NOTE: Bookmark this page first because some steps may close your web browser or restart computer)

Quick Menu

Step 1.Remove MacOsDefender related extension from Microsoft Edge/ Chrome/Firefox/IE

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

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 MacOsDefender.
  • 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 MacOsDefender 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 MacOsDefender;
  • 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 MacOsDefender and click Uninstall button

Step 2.Uninstall MacOsDefender 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

2. In Control Panel, click on Uninstall a program

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

Meteordefender Mac Os Sierra

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

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

Win 10 User

  • 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 MacOsDefender, you can try Wipersoft’s Malware Detection Tool to see if it can detect the unsafe files for you:

(Note – To understand WiperSoft’s policies and practices, please visit EULA, and Privacy Policy. Learn moreabout WiperSoft and its key features. If you wish to uninstall WiperSoft, follow the steps to uninstall instructions.WiperSoft scanner is free. Once it detects a virus or malware, you’ll need to purchase its full version to remove the threat.

Step 5. Find and remove nasty registry files related with MacOsDefender:

1. Open Registry Editor first:

  • Press Win [Windows key] + R on your keyboard.
  • Type regedit in the Run box and hit OK

2. Find out and remove all harmful registry files that may be related with MacOsDefender:

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

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 Wipersoft Anti-malware and see if it will find out unsafe registry files of infection for you. This may save you hours and avoid risks.

(Note – To understand WiperSoft’s policies and practices, please visit EULA, and Privacy Policy. Learn moreabout WiperSoft and its key features. If you wish to uninstall WiperSoft, follow the steps to uninstall instructions.WiperSoft scanner is free. Once it detects a virus or malware, you’ll need to purchase its full version to remove the threat.

Step 6. Reset Microsoft Edge, Chrome, Firefox and IE to remove MacOsDefender

Reset Microsoft Edge

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

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

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

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;

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

Meteordefender

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

Meteordefender Mac Os Catalina

– Regularly update system via automatic system update;

Meteordefender Mac Os X

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

– Avoid opening any attachments of unknown emails.

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