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According to ESET Research, PromptLock is first known AI-powered ransomware. PromptLock leverages Lua scripts generated from hard-coded prompts to enumerate the local filesystem, inspect target files, exfiltrate selected data, and perform encryption. These Lua scripts are cross-platform compatible, functioning on Windows, Linux, and macOS. For its file encryption mechanism, the PromptLock ransomware utilizes the SPECK 128-bit encryption algorithm.