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"BIOS is updating" when I switched on my machine/BIOS rootkit???

post #1 of 5
Thread Starter 
Just experienced something very odd. I switched on my workstation and was presented with an unfamiliar and simple black screen/white text which read something like:
Code:
BIOS is updating.
Do not shut down or reset the system to prevent system bootup failure.

xx% complete

Board is an Asus P8Z77-V Pro. The pic in this thread is EXACTLY what I saw: http://forums.whirlpool.net.au/archive/1902684

This was accompanied by a percent complete timing that went from 0 to 100 % in 30-45 sec. The machine rebooted and my bootloader [rEFInd] was present. I see no evidence that by BIOS was touched; the date and version on the BIOS were as they were before.

Googling the "Do not shut down ... failure" message shows that others have seen this as well but no definitive causes of it... flashing the BIOS to a previous version and then back to the current version from the vendor's website is all I can think to do without more information. I am concerned to say the least. Any thoughts are welcomed.
Edited by graysky - 1/6/14 at 2:17am
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post #2 of 5
Sounds pretty odd to me.

What I would do is grab the latest BIOS from ASUS site, rename it so you can flash it using the USB flash back. This way you know at least it's the right version and it's also the safest method to do it.
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Just a 'puter
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by error-id10t View Post

Sounds pretty odd to me.

What I would do is grab the latest BIOS from ASUS site, rename it so you can flash it using the USB flash back. This way you know at least it's the right version and it's also the safest method to do it.

Yeah, I did that already but I still want to know w-t-f caused this and if it was nefarious in nature. For example, does this model BIOS detect bad blocks in the BIOS itself and repair them automatically?
Edited by graysky - 1/5/14 at 5:41am
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post #4 of 5
I don't know what caused it, if you didn't do a BIOS update yourself then there's no reason for it to do it. It almost sounds like it updated ME firmware to a newer version, but it doesn't do this automagically and I had your board before my current one and I never saw this kind of behaviour.

You could post it here and ask, see if Raja has any information.

http://hardforum.com/showthread.php?t=1688360
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Just a 'puter
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Samsung 950 PRO 512GB Crucial M4 256GB RX360 V3 Koolance CPU-380I 
CoolingCoolingOSMonitor
Koolance RP-452X2 Reservoir Koolance PMP-450 12V Variable Speed Pump Windows 10 Pro x64 benq XL2411Z 
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post #5 of 5
Thread Starter 
Good suggestion, he replied to me an in private message. I asked him to reply publicly in the thread but haven't heard back from him yet.

Link to thread: http://hardforum.com/showthread.php?t=1800329
His PM to me:
Quote:
Originally Posted by Raja@ASUS 
That message refers to a microcontroller update which is part of some UEFI updates. It happens when UEFI is updated. If it is happening at random on your system it usually means that the system has some form of instability.

-Raja

Quote:
Originally Posted by graysky 
Can you please read my post here and comment. Thank you!

http://hardforum.com/showthread.php?p=1040521774
computer
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computer
(13 items)
 
  
CPUMotherboardRAMHard Drive
3370K Asus P8Z77X-V Pro GSKILL Ripjaw Vertex 4 
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