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Malwarebytes real time protection?

I have a very high CPU usage from this, sometimes as high as 98% from RTProtectionDaemon. Should this even be running, when real time protection is turned off? It says 'we recommend enabling real time protection', because I've got it turned off, and yet......


Anyone have any idea? Thanks

MacBook Pro

Posted on Aug 9, 2018 6:09 PM

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Posted on Aug 9, 2018 6:56 PM

Hello the tall,

If any process is taking that level of sustained CPU use, then something is wrong. MalwareBytes does not normally exhibit that behaviour on most people's machines. There may be some unusual issue with your machine or other software you have installed. There is no way to tell. But if, for whatever reason, MalwareBytes is misbehaving, you should uninstall it and/or contact MalwareBytes for support.

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Aug 9, 2018 6:56 PM in response to the tall

Hello the tall,

If any process is taking that level of sustained CPU use, then something is wrong. MalwareBytes does not normally exhibit that behaviour on most people's machines. There may be some unusual issue with your machine or other software you have installed. There is no way to tell. But if, for whatever reason, MalwareBytes is misbehaving, you should uninstall it and/or contact MalwareBytes for support.

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Aug 10, 2018 3:31 AM in response to the tall

You could ask on the MalwareBytes website.


But it is not necessary to run MalwareBytes after you have a clean scan. At the moment there are no self-propagating viruses for macOS.


The only things that affect macOS are things you are tricked into installing. Some download websites put their own installer around some freeware or shareware and it does a side-load of adware to make money for the website. Or an app vendor gets paid by an adware vendor to do a side-load of the adware. Or some malware pays for an ad on a website that looks like a very inviting download button. If that webpage was someplace that downloads something you want, you may accidentally choose the fake download ad banner, and since you expected to install something, you proceed to do the install (that one actually got my wife who is a computer professional during the day).


If you are not installing anything, then there is no need to run any anti-virus software.


You could uninstall MalwareBytes until the next time you install something. Then you download the current version, run a scan and uninstall it again.

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Aug 10, 2018 3:31 AM in response to BobHarris

Thank you Bob. I think the fact that I have disabled Real Time protection on it, and I 'assume' that RTProtectionDaemon is Real Time protection, that the product is not being totally honest with us? I may be wrong, but why is that running if it's disabled, but worse than that... at nearly 100% of CPU usage. A good idea to uninstall app, thank you!

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Aug 10, 2018 5:53 AM in response to the tall

I would say it is a bug. The guy that wrote the Mac version of MalwareBytes is a long time contributer to these forums, thomas_r. profile <https://discussions.apple.com/profile/thomas_r.> and has so far been good about responding to bug reports. So maybe you should contact MalwareBytes.


Or just uninstall it until you need it again.

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Aug 10, 2018 8:50 AM in response to the tall

the tall wrote:


It asked me to update it today to new version, and I'd only installed it last week. Was fine before that, but is it not usual that it shouldn't be on if real time is off?

Perhaps that is the problem. Perhaps it is supposed to be disabled but that has failed for some reason.


This is now-level security software. It is not unusual to see frequent updates. Unfortunately, with low-level software, it is also not unusual to see problems that result.


It isn't that anyone is being dishonest. This is just the nature of software. It's difficult. This kind of software, with low-level launchd daemons and kernel extensions, is one of the most difficult types of software to write.

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Malwarebytes real time protection?

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