Awesome Open Source
Awesome Open Source

SecureUxTheme

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About

SecureUxTheme is a software that removes signature verification of styles from Windows.

Features

  • No system file modifications
  • No driver needed
  • Secure boot compatible
  • Probably quite future-proof
  • Fixes LogonUI resetting some colors on locking

Limitations

Styles must still have a format-wise valid signature appended, it is just not verified. A tool for fixing styles without or with invalid one is included in the installer.

Operating System Support*

  • Windows 8.1
  • Windows 10 (tested: 1507, 1607, 1809, 1903, 1909, 2004, 20H2, 21H1)
  • Future versions**

* Windows 7 or older will never be supported due to the way themes are implemented.

** The current code doesn't depend on any code, binary or memory layout of uxtheme and related dlls, therefore should work unless major changes are made to how themes in general work.

Download

Latest release

Development builds

Download is MALWARE???

Some silly antiviruses tend to flag the installer as malware, because it's elevated and unsigned (this method clearly works btw). I'm submitting all releases before release to Microsoft for analysis if they're detected, but I can't guarantee the same for all the other AVs. Since I'm not planning to have my IRL name plastered everywhere, I won't be getting a signing certificate either. However if you do have one and are willing help signing, please contact me.

But I still don't trust it.

Compile it yourself.

LogonUI fix

Locking Windows makes LogonUI reset certain colors and ignore the currently set style. This tool can fix this problem. A picture comparison showing the Task Manager opened after locking Windows without and with the fix can be seen here:

LogonUI problem

Do note this feature might mess up some high contrast theme features when locking.

Screenshot

Program:

ThemeTool Screenshot

This is only a tool for enabling custom themes, no actual visual changes will be made. Regardless, here's a cool theme for illustration:

Screenshot

Theme used

Where to get themes

I recommend DeviantArt for finding themes, although it is a bit noisy. Alternatives are 7themes.su which is much more organized (but be wary of fake adware download buttons! use the one that says Яндекс.Диск). Also, you can just search for themes with your favorite search engine. Make sure that the theme you're about to apply is compatible with your windows version.

Donations

This software is provided completely free of charge to you, however I spent time and effort developing it. If you like this software, please consider making a donation:

  • Bitcoin: 1N6UzYgzn3sLV33hB2iS3FvYLzD1G4CuS2
  • Monero: 83sJ6GoeKf1U47vD9Tk6y2MEKJKxPJkECG3Ms7yzVGeiBYg2uYhBAUAZKNDH8VnAPGhwhZeqBnofDPgw9PiVtTgk95k53Rd

Frequently Asked Questions

Q: Help, SecureUxTheme broke my install and it's login looping now

A: Help: Login loop after installing SecureUxTheme


Q: Help, a theme broke my install and it's login looping now

A: Help: Login loop after setting a theme


Q: I just want a themed Windows, what do I do with all this?

A: Help: Step by step installing SecureUxTheme and a custom theme


Q: I have 1909 or later, and the Address bar / Search bar is weird when clicked

A: Consider using OldNewExplorer which fixes this. Alternatively, see Issue #6.


Q: Can you make themes per-program?

A: Unfortunately, this is close to impossible. However for Office programs, there is a plugin for fixing this.


Q: SelectTheme: pTheme->GetVisualStyle failed with 80070002

A: You probably installed a theme by opening / double clicking. Custom themes cannot be installed like that, they must be moved to %WINDIR%\Resources\Themes with all their accompanying files.

Is it SecureUxTheme or ThemeTool? And what does it stand for anyways?

Naming has been pretty messy in this project, I admit that. Originally this project was for myself, and consisted of only the hooking dll, and required hex-editing the invalid signature to the themes. The project was named SecureUxTheme. In hindsight, this was a pretty bad naming. While it contains "secure" in the name, it is rather "safe" instead of "secure". The UxTheme part comes from the dll name (uxtheme.dll) which needed to be patched on XP when visual styles were introduced. This dll is no longer containing the signature verification code since Windows Vista, however the name stuck, and all software similar to this are called uxtheme-patchers. Anyways, after deciding to release, I added a new component named "ThemeInvalidSigner" for adding the invalid signature to themes, and also an NSIS installer so that you don't have to run .reg files. This was the initial release. Later I grew tired of various problems and issue reports with the built-in Personalization I was using for letting users set themes, and this is when ThemeTool was born. It originally was a proof-of-concept app for setting themes via the IThemeManager2 COM interface I reverse-engineered, however it soon got the capability of patching themes, and eventually replaced the installer too. This also improved on the virus detections, for unknown reasons.

TL;DR: SecureUxTheme is the project and the hook dll, ThemeTool is the installer / UI component.

Building

Requirements

  • Visual Studio 2019 with x86, x64, ARM64 toolchains

Compiling

Note that the order of the builds is important, building ThemeTool will fail if some architecture is missing SecureUxTheme build.

  1. Open SecureUxTheme.sln
  2. Build SecureUxTheme as Release/Win32
  3. Build SecureUxTheme as Release/ARM64
  4. Build SecureUxTheme as Release/x64
  5. Build ThemeTool as Release/Win32

Debugging

lmao

License Statement

SecureUxTheme - A secure boot compatible in-memory UxTheme patcher
Copyright (C) 2020  namazso

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

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