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Windows 7: How to change boot animation in Windows 7

03 Nov 2010   #311
joakim

ubuntu
 
 

No, you don't have to unsign, resign or anything regarding the certificates. What boot background? Menu as presented by bootmgr, the frame with the animation, or any of the individual frames in between when switching from bootmgr to winload.exe? In any way, currently it is only possible to change the colour of the background in these frames (unless thaimin has done some major vodoo lately and incorporated it in his latest tool).

Joakim


My System SpecsSystem Spec
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03 Nov 2010   #312
AlexYM

Windows 7 Ultimate x32
 
 

Have read this on MDL forum and just thought it may help to "pre-install" certain bcd options on DVD, so i'm quoting here:
==============================
boot store is automatically created during setup from windows\system32\config\bcd-template (no extension, its a registry hive) file inside install.wim (extract it with 7zip), and since {default} entry doesnt exist there yet - you just edit its {globalsettings} so that all new entries (guids, so cant guess) will inherit from that, and add it to dvd:\sources\$OEM$\$$\system32\config folder

BCDEdit /store C:\BCD-template /set {globalsettings} TestSigning On
BCDEdit /store C:\BCD-template /set {globalsettings} NoIntegrityChecks On
=============================

I can only add that instead of using 7zip we can use imagex and save modified bcd-template on it's place inside wim rather than copying it to dvd:\sources\$OEM$\$$\...
My System SpecsSystem Spec
05 Nov 2010   #313
joakim

ubuntu
 
 

@AlexYM
You seem to know a few bcd tricks. Nice!

Moving this post slightly off topic now, but do you know anything about the STAMPDISKS parameter (related to winpe usage). I've studied the bcd reference but can not draw any logic out of it about STAMPDISK(S). Neither have I ever seen it being discussed anywhere (except by me).

Since this was an off topic post, people that have been reversing bootmgr lately might find this thread interesting; sanbarrow.com • View topic - Booting an arbitrary image inside boot.wim I finally found a way to boot another non-bootable image inside boot.wim. It requires some major hacking of bootmgr. So it is possible to merge several wims into one boot.wim and boot off any image inside it.

Joakim
My System SpecsSystem Spec
.

05 Nov 2010   #314
RBCC

Windows 7 Ultimate
 
 
I have a Question

What do I have to do to get this to work? Maybe I am missing something do I have to hex edit winload.exe??? John
My System SpecsSystem Spec
05 Nov 2010   #315
AlexYM

Windows 7 Ultimate x32
 
 

@joakim
I don't really know much about WinPE stuff and related bcd options, some info about stampdisks is in Windows Internals, Fifth edition book (chapter 13), quote from online Safari preview:

stampdisks boolean
Specifies that Winload will write an MBR disk signature to a RAW disk when booting Windows PE (Preinstallation Environment). This can be required in
deployment environments in order to create a mapping from operating system–enumerated hard disks to BIOS-enumerated hard disks to know which disk
should be the system disk.
My System SpecsSystem Spec
05 Nov 2010   #316
RBCC

Windows 7 Ultimate
 
 

How do I edit NTOSKRNL.exe to create a new bootscreen background? How many colours can the background have in it? What security issues do I have to deal with? John
My System SpecsSystem Spec
06 Nov 2010   #317
joakim

ubuntu
 
 

You can modify the bootscreen as was done in XP, by modifying the embedded image in the kernel. However, since the kernel wil get an invalidated certificate from this hack (like all mods), you must either configure testsigning, or implement the patches as already descibed ealier, in bootmgr and winload.exe (yes I've boot with almost each and every boot-related file with bad checksum (which by definition also will have an invalidated digital certificate of course).

So it is without doubt a security issue as you cannot selectively choose which files to not perform checks on. Well, you can, sort of but that is before the kernel is loaded anyway.

About the colorfulness of the bootscreen, I think it is as restricted as it was for the same hack for XP. And you cannot implement both (ie bootscreen + animation). You must choose one of them.

Joakim
My System SpecsSystem Spec
07 Nov 2010   #318
RBCC

Windows 7 Ultimate
 
 

How is @thaimin doing on his project? Has he figured out the background? How do I reposition and size the animation?
My System SpecsSystem Spec
09 Nov 2010   #319
m041633n

Windows 7 Ultimate x86
 
 

Hi i'am a noob can some one make a program for generating the activity.bmp please
features like converting the videos to activity.bmp
batch converting images to activity.bmp
& some cool features

cos i've ideas to create cool custom Windows 7 bootscreens like
Rose blossoms & lights up
Exploding fire & loops up the flames
Transformer transforms
PS3 XMB WAVES
& much more

can some one help me in making activity.bmp or please someone make these things & put this things for sharing Please
My System SpecsSystem Spec
09 Nov 2010   #320
joakim

ubuntu
 
 

I am preatty sure there's lots of talented people that can create amazing animations. I am not one of them! thaimins tool, which is linked in the first post, can currently create activity.bmp out of individual images. If you can wait a little then his improved version will likely have lots of more features added.

Please start a new thread if you want a collection of animations or answers on how to create a good animation.

(I'm not the programmer, just the researcher/reverser).

Joakim
My System SpecsSystem Spec
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 How to change boot animation in Windows 7




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