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Mystery user on my computer
Posted by: bazookaman
Date: November 20, 2020 07:36AM
When I login to my MacBook, I see my user as well as a use called Red. But if I go to my Users folder, there is no user called that. And if I go to my Users control panel, there is no user listed there other than mine. Ideas?




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There’s a guy wearing overalls with no shirt.
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Re: Mystery user on my computer
Posted by: modelamac
Date: November 20, 2020 09:26AM
Run OmniDiskSweeper (free) on your Mac. It will give you a Hierarchical List of each folder along with the size.
Right-click on a folder and select "show in Finder".

You can use Cmd Shift period to toggle hidden folders and search for "Red" yourself.

Hopefully Red is not an intruder.

Report back what you find, please. Inquiring minds want to know.emoticon-tv-015



Remember how when you were little
you could just rip off your diaper and
just run around naked and everyone
thought it was so cute and funny?


Anyway, I need bail money.
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Re: Mystery user on my computer
Posted by: bazookaman
Date: November 20, 2020 10:09AM
Found nada.

everything is as it should be. I ran a command line to find hidden users and the only one that popped up was makerbot. Which I made visible, then deleted. But that was earlier today. My first thought was Red Giant software as I had installed a video plugin from them a while back. But no idea why it would show a fake user.




__________________________________
There’s a guy wearing overalls with no shirt.
Which I think we all know is the International uniform for the last guy you’ll ever see.
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Re: Mystery user on my computer
Posted by: N-OS X-tasy!
Date: November 20, 2020 10:28AM
Maybe this guy?





It is what it is.
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Re: Mystery user on my computer
Posted by: NewtonMP2100
Date: November 20, 2020 11:07AM
....call Scooby gang......???



_____________________________________

I reject your reality and substitute my own!



Edited 1 time(s). Last edit at 11/20/2020 11:07AM by NewtonMP2100.
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Re: Mystery user on my computer
Posted by: rjmacs
Date: November 20, 2020 12:24PM
Tried looking at users with terminal?

No idea if this will help, but seems harmless to try.



rj
AKA
Vreemac, Moth of the Future
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Re: Mystery user on my computer
Posted by: bazookaman
Date: November 20, 2020 12:32PM
Quote
rjmacs
Tried looking at users with terminal?

No idea if this will help, but seems harmless to try.

Yep. Did that. Just found me. Then I found the command to look for hidden users. And found the makerbot. Then I found a command line to make hidden users visible. Then I went to the users and groups control panel and found the makerbot user and deleted it. Rebooted. Weird "Red" user is still there. And by "still there", I mean its there when I log in...but nowhere else.




__________________________________
There’s a guy wearing overalls with no shirt.
Which I think we all know is the International uniform for the last guy you’ll ever see.



Edited 1 time(s). Last edit at 11/20/2020 12:32PM by bazookaman.
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Re: Mystery user on my computer
Posted by: GGD
Date: November 20, 2020 12:42PM
Have you tried logging in as that user? Does it have a password hint set?

If it's due to some sort of corruption, maybe during the login process it will figure out the inconsistency and report some different error or clean it up, just a guess.
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Re: Mystery user on my computer
Posted by: Filliam H. Muffman
Date: November 20, 2020 01:04PM
Is it there if you log in with a new account? Boot from archived external clone?



In tha 360. MRF User Map
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Re: Mystery user on my computer
Posted by: bazookaman
Date: November 20, 2020 01:26PM
Quote
GGD
Have you tried logging in as that user? Does it have a password hint set?

If it's due to some sort of corruption, maybe during the login process it will figure out the inconsistency and report some different error or clean it up, just a guess.

I tried. I don't think it had a password hint. I'll wait until I restart next to see.




__________________________________
There’s a guy wearing overalls with no shirt.
Which I think we all know is the International uniform for the last guy you’ll ever see.
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Re: Mystery user on my computer
Posted by: bazookaman
Date: November 20, 2020 01:27PM
Quote
Filliam H. Muffman
Is it there if you log in with a new account? Boot from archived external clone?

That I don't know. I haven't tried either of those things. Actually I take that back. I USED to have two logins for myself. And when I got to the login screen, there would be my two logins and the Red login. But like I said, once I get past the login screen and into the actual computer, there's no sign of that Red user anywhere.

But I WILL try the clone boot when I get home tonight.




__________________________________
There’s a guy wearing overalls with no shirt.
Which I think we all know is the International uniform for the last guy you’ll ever see.



Edited 1 time(s). Last edit at 11/20/2020 01:28PM by bazookaman.
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Re: Mystery user on my computer
Posted by: hal
Date: November 20, 2020 02:50PM
If that fails, try creating a new user called Red, see if you are allowed, if so, see if you then have two Reds showing up. If not, remove the newly created Red and both disappear (hopefully).
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Re: Mystery user on my computer
Posted by: rich in distress
Date: November 20, 2020 04:12PM
@N-OS: LOL!

This is worrisome. I’d nuke it from space and pave.
Care to share OS and suspicious apps?
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Re: Mystery user on my computer
Posted by: bazookaman
Date: November 20, 2020 04:24PM
Quote
hal
If that fails, try creating a new user called Red, see if you are allowed, if so, see if you then have two Reds showing up. If not, remove the newly created Red and both disappear (hopefully).

Well there you go. Unable to create a user called Red b/c one already exists.




__________________________________
There’s a guy wearing overalls with no shirt.
Which I think we all know is the International uniform for the last guy you’ll ever see.
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Re: Mystery user on my computer
Posted by: bazookaman
Date: November 20, 2020 04:24PM
Quote
rich in distress
@N-OS: LOL!

This is worrisome. I’d nuke it from space and pave.
Care to share OS and suspicious apps?

Catalina. No suspicious apps.




__________________________________
There’s a guy wearing overalls with no shirt.
Which I think we all know is the International uniform for the last guy you’ll ever see.
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Re: Mystery user on my computer
Posted by: bazookaman
Date: November 20, 2020 05:00PM
YES!!!!

Found this post on Apple:
[discussions.apple.com]

Which talks about an app installing a hidden user account. WTF for one thing???

Then one lone person who responded wrote this nugget:
sudo dscl . delete /Users/GhostUserNameHere

Copy/Paste/Change name. BOOOM! So long Red.

I wish I knew which app installed that. And why. It still makes the most sense that it was Red Giant. But I have no idea for sure. How annoying!




__________________________________
There’s a guy wearing overalls with no shirt.
Which I think we all know is the International uniform for the last guy you’ll ever see.
Options:  Reply • Quote
Re: Mystery user on my computer
Posted by: NewtonMP2100
Date: November 20, 2020 05:44PM
....scoob......bie...dobie....doo.....



_____________________________________

I reject your reality and substitute my own!
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Re: Mystery user on my computer
Posted by: rich in distress
Date: November 20, 2020 10:45PM
Good!!
Thanks for posting this, new step when troubleshooting facepalm

Ps: scoo beabadoobee do
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Re: Mystery user on my computer
Posted by: RAMd®d
Date: November 21, 2020 03:51AM
Which talks about an app installing a hidden user account. WTF for one thing???


Installing a hidden account obviously gives the dev some advantage over not doing so.

The question is — what?

Data mining?

Crypto mining?

It wasn't an admin user account, was it?

Did you see what date Red was added?

Maybe an app was added the same day or just prior?

Could something like this be a function of a friend using your computer to visit a dodgy website?

I'd pass this experience on to Apple Feedback.

I'd also monitor your OS for it or another account popping up Lazarus/Whack-A-Mole style.




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Re: Mystery user on my computer
Posted by: bazookaman
Date: November 21, 2020 05:06AM
Well thats the weird thing. When I searched for hidden users, there was no user named Red. I STILL never found any indication of a user named Red, other than a) the user showing at login and b) trying to create a new user named Red. Those are the only two instances. When I used the command line to search, Red did not show up.

And no. No one uses my computer but me. And I have no idea if it was an admin account. I couldn't find it to tell. I think I will pass this on to Apple.




__________________________________
There’s a guy wearing overalls with no shirt.
Which I think we all know is the International uniform for the last guy you’ll ever see.
Options:  Reply • Quote
Re: Mystery user on my computer
Posted by: rjmacs
Date: November 21, 2020 10:15AM
Where's Sarcany? This seems like a question tailor-made for him....



rj
AKA
Vreemac, Moth of the Future
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Re: Mystery user on my computer
Posted by: Sarcany
Date: November 21, 2020 02:26PM
Sorry. No good explanation.

It seems like it might be a network-user account as a login by a network user wouldn't necessarily leave a home folder, but why would there be a network user logging in on a personal Mac? When was this Mac joined to a directory server? Doesn't make sense.

If it was a normal "service account" for an app or antivirus software then it would not appear at the login screen.

Hmm... Could be that there was a home folder, but it was remapped to another drive while the user was experimenting with one of those data-on-a-hard-drive-boot-from SSD scenarios, but I should think that's something he'd recall. Too late to check now to see what the path was to the user's home folder in the advanced Users & Groups settings.







Edited 1 time(s). Last edit at 11/21/2020 02:31PM by Sarcany.
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Re: Mystery user on my computer
Posted by: NewtonMP2100
Date: November 21, 2020 03:27PM
....could it be....Ghost in the Machine.....??



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I reject your reality and substitute my own!
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