Select the malware by clicking the name 'MacDefender' (or the other name variants) in the Process Name column.Ĭlick Quit Process and click Force Quit if prompted. Make sure All Processes is selected in the drop-down menu at the top right corner of the window. Quit the browser that you are using by clicking the red x in the top left corner of the window.ĭelete the install package of 'MacDefender' (or the other name variants) in your Downloads folder (or the default folder set by your browser).Ĭlick Go on your menu bar and then click Utilities.ĭouble-click Activity Monitor from the Utilities window. If you suspect that your computer is infected with the 'MacDefender' malware (popups, slow or abnormal behavior), follow the steps below: One example displays the following window:Ĭlick the image to view larger in new window There are several variants of this malware.

ESET detects this malware as variants of OSX/AdWare.MacDefender. ESET has confirmed reports of this malware infection using the names such as 'MacDefender', 'MacGuard', 'MacShield', 'MacSecurity', 'MacProtector', 'Apple Security Center' or other similar names. Yes, ESET Cyber Security and ESET Cyber Security Pro do detect and block the MacDefender malware and its variants.

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