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.
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.
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- The malware apparently causes a Mac's processor to run near 100%, which could prevent other applications from performing well or, in some cases, at all. Continually running the processor at its maximum capacity also has the effect of draining a Macbook's battery more rapidly which will have an adverse effect on its overall health.
- While it’s true that Apple computers like your MacBook Pro are less susceptible to viruses, that doesn’t mean that they won’t ever get one. In fact, according to a recent report by Apple Insider, malware viruses specific to Macs, in particular, have grown 60% in 2019.
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.
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
This is an all-in-one summary on virus infecting MacBook Pro laptops, with a special emphasis on methods to remove all types of harmful code from them. Update: May 2020. MacBook Pro is a premium line of Apple’s laptops. Such an honorable status, though, doesn’t make them any better protected against malware than entry level Mac machines. Hewlett Packard has now explained the recent spate of Mac printer problems that saw users being warned of 'malware' — but it hasn't yet solved it. While HP and Apple are reportedly working.
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.
- Go into the Downloads folder, or your preferred download location.
- Drag the installer to the Trash.
- 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
- Move or close the Scan Window.
- Go to the Utilities folder in the Applications folder and launch Activity Monitor.
- Choose All Processes from the pop up menu in the upper right corner of the window.
- 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.
- Click the Quit Process button in the upper left corner of the window and select Quit.
- Quit Activity Monitor application.
- Open the Applications folder.
- Locate the app ex. MacDefender, MacSecurity, MacProtector or other name.
- 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.
Remove Malware From Macbook Pro
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.