Mac Defender Malware

Pelao

All-Pro
Jul 11, 2010
123
Ontario, Canada
Stephen
Apple will be releasing an OS update which will remove the malware, and prevent further occurrence - but of course the 'bad guys' will evolve a new version in due course.

At one place I worked we calculated the cost generated by viruses and malware in terms of damage, and then the cost of protecting in the first place. The total was horrific.
 

wt21

Hall of Famer
Aug 15, 2010
123
The #1 thing to do is turn off "open safe files after downloading" in safari. This will stop the content from opening even if it downloads. But that's not going to help people like my 70 year old mom, who insists on Googling and then chasing any flash game on the internet, regardless of what web site it's on. I just checked her machine this morning, though, and there's no sign of the thing.

Me: "Mom, don't go to websites you don't know, and don't click on "open" or "download" on anything you weren't looking to install"
Her: "But this isn't from a site I don't know. I got it from Google. And it's the only way I can play the card games I like"
 

Pelao

All-Pro
Jul 11, 2010
123
Ontario, Canada
Stephen
When my kid got her Mac I set up her user account as non-Admistrator. Then I set up a second account as her Administrator account.

The new version to which Herman linked does not require a password, but it does require the account to be an Admin account.

So in my kid's case, it cannot install, unless she Authenticates.

Similarly, if my kid is in her standard user account, she does not have to go into the Admin account to install software etc. When she tries to install it, it will say she does not have sufficient privileges, and ask her to Authenticate, which simply means entering the user name and password of the Admin account.

This is pretty standard in corporate setups: the user retains full Admin capacity, but their daily working account is not an Admin account. This does not negatively impact their work in any way.

My wife's MacBook was set up the usual way - with her account as an Admin account. last night I simply added a new Admin account, then changed her everyday account to Standard.
 

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