You're interested in the story behind "Kon-Boot For Windows 2.5.0 Retail Free".
Kon-Boot for Windows 2.5.0 is a specialized utility designed to bypass the Windows authentication process by modifying the system kernel on the fly during boot. Unlike traditional password recovery tools that reset or erase account data, Kon-Boot allows users to log in to password-protected accounts without knowing or changing the original credentials.
Kon-Boot operates by modifying the system kernel or the BIOS (Basic Input/Output System) in memory. Crucially, it does not modify the password data stored on the hard drive. Instead, it intercepts the moment the operating system attempts to verify the password. By altering the kernel code in the computer’s temporary memory (RAM) during the boot process, Kon-Boot allows the user to enter any password—or sometimes no password at all—to gain access. Because it operates in memory and leaves the physical hard drive files untouched, the original password remains intact and valid after a reboot. This "non-persistent" nature makes it a unique forensic and recovery tool.
: Kon-Boot can reset or bypass Windows user passwords without affecting the existing system data. This means you can regain access to your account without losing any files or settings.
.iso file (approx. 15-30MB).zip containing a USB installer script.: Because it functions like a bootkit, it is frequently flagged as malware (e.g., "VirTool:Win32/Konboot") by security software like Microsoft Defender Legality and Sources