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Removal of Mac-Securities.com malware from Safari

MY Safari has been hit with malware titled Mac-securities.com in the search bar and a popup gives a telephone number to call which is bogus. All functionality is disabled and the only way to close is to hit Quit function, how do I remove this?

iMac, OS X Mavericks (10.9.5)

Posted on Jun 5, 2015 8:55 AM

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Question marked as Best reply

Posted on Jun 5, 2015 9:35 AM

This is a scam. Please don’t call the number.


1. Force Quit .


Press command + option + esc keys together at the same time. Wait.

When Force Quit window appears, select Safari if not already.

Press Force Quit button at the bottom of the window. Wait.

Safari will quit.


2. Relaunch Safari holding the shift key down.


3. Turn off wifi and turn it back on.


Turn off Wifi. Click Wifi icon in the menu bar and select “Turn Wifi off”.

Visit another website.

You won’t have internet connection.

Turn on Wifi. Click Wifi icon in the menu bar and select “Turn Wifi on”.

Select your Network.



4. Safari > Preferences > Privacy

Cookies and website data:

Click “Details” button.

Remove the cookie related to this, if there is one.

4 replies
Question marked as Best reply

Jun 5, 2015 9:35 AM in response to Maddognm

This is a scam. Please don’t call the number.


1. Force Quit .


Press command + option + esc keys together at the same time. Wait.

When Force Quit window appears, select Safari if not already.

Press Force Quit button at the bottom of the window. Wait.

Safari will quit.


2. Relaunch Safari holding the shift key down.


3. Turn off wifi and turn it back on.


Turn off Wifi. Click Wifi icon in the menu bar and select “Turn Wifi off”.

Visit another website.

You won’t have internet connection.

Turn on Wifi. Click Wifi icon in the menu bar and select “Turn Wifi on”.

Select your Network.



4. Safari > Preferences > Privacy

Cookies and website data:

Click “Details” button.

Remove the cookie related to this, if there is one.

Jun 5, 2015 10:41 AM in response to Maddognm

It's not malware. It's a Web scam that only affects your browser, and only temporarily. There are several ways to recover.

1. Some of those scam pages can be dismissed very easily. Press the key combination command-W to close the tab or window. A huge box will pop up. Press the return key and both the box and the page will close. If that doesn't happen, continue.

2. Press and hold command-W. You may hear repeating alert sounds. While holding the keys, click the OK button in the popup. A different popup may appear, which you can cancel out of as usual.

3. From the Safari menu bar, select

Safari ▹ Preferences... ▹ Security

and uncheck the box marked Enable JavaScript. Leave the preferences dialog open.

Close the malicious window or tab.

Re-enable JavaScript and close the preferences dialog.

4. If the Preferences menu item is grayed out, quit Safari. Force quit if necessary. Relaunch it by holding down the shift key and clicking its icon in the Dock. None of the windows and tabs will reopen.

After closing the malicious page, from the menu bar, select

Safari Preferences... Privacy Remove All Website Data

to get rid of any cookies or other data left by the server. Open your Downloads folder and delete anything you don't recognize.

Removal of Mac-Securities.com malware from Safari

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