Recently, Microsoft warned users about compatibility issues with applications using some non-ASCII characters in names of their registry keys. According to Microsoft:
Compatibility issues have been found between apps using some non-ASCII characters in their registry keys or subkeys and Windows 11. Affected apps might be unable to open and might cause other issues or errors in Windows, including the possibility of receiving an error with a blue screen. Important Affected registry keys with non-ASCII characters might not be able to be repaired.
Sounds interesting!
Before we start, here are some useful links:
- Windows registry file format specification
- Measured Boot and Malware Signatures: exploring two vulnerabilities found in the Windows loader
- Playing with case-insensitive file names (a registry hive is similar to a file system)