There are professional services that perform "manual decompilation." Instead of using a one-click tool, experts use debuggers to reconstruct the code logic. These are expensive but are the only way to handle modern EX4 encryption.
When searching for "Full Version" or "Cracked" decompiler software, users face significant risks: Ex4 To Mq4 V4 Decompiler Version 4.0 5 Full Version
Before trying to decompile, check the MQL5 Market or GitHub. Many popular EAs have open-source versions or similar logic available for free. Final Word on Ethics and Legality Ex4 To Mq4 V4 Decompiler Version 4.0 5 Full Version