Codebreaker 10.1 Elf Instant

Unlike older devices, CodeBreaker 10.1 stores its internal code database (the "cheats" file) on the PS2 memory card at mc0:/PCB/cheats Network and Peripheral Support:

Although Codebreaker development stalled around 2011 (the last stable release v10.3 was abandoned), its influence is unmistakable: codebreaker 10.1 elf

From memory / community writeups:

Always scan these old executables for malware. The original release was clean, but third-party repacks may contain trojans. Unlike older devices, CodeBreaker 10

Search for "CodeBreaker 10.1" writeup — sometimes the password is something simple like: Unlike older devices