Some locks are designed to "break" the file if an unlock is attempted. Always keep a backup of the original mod.
As ETS2 evolves, older decryption tools often break. Here are the most reliable methods for the current version of the game: 1. DART (SCS Archiver/De-Archiver) scs unlocker for locked mods euro truck simulator 2 updated
DART is currently one of the most popular tools in the modding community. Unlike older "unlockers" that simply try to bypass passwords, DART is designed to handle the specific way SCS handles file compression. It is frequently updated to support new game versions. 2. SCS Extractor (Official & Modified Versions) Some locks are designed to "break" the file