Several malware authors who used -LE cracked versions of IDA Pro 7.0 to analyze ransomware were later identified when their decompiled outputs appeared online with identifiable watermarks.
Version 7.0 is now outdated. Modern compilers produce binaries with new obfuscation techniques, instruction sets, and runtime structures. Without updates (e.g., to IDA 9.0), the 2017 decompiler may fail or produce misleading pseudo-code for current software. IDA Pro 7.0 2017 Incl. Hex-Rays Decompilers -LE...
. The 7.0 release specifically improved Objective-C support and enhanced the readability of decompiled output. iOS and macOS Focus : Significant updates were made to support iOS 11 and macOS 10.13 Overview of IDA Pro 7