Uses unknown and new methods, protects against crackers / debuggers, can detect most debuggers:
OllyDBG, Immunity Debugger, WinDbg, W32DAsm, IDA, SoftICE, Syser, TRW, TWX
Melt Option (Protected File Disappears after Run)
Multi Anti sandbox type methods
Auto Detects End Of File Data (EOF)
Anti-PEiD fake signature generator
PE realign
RC4, XTEA random encryption
Binder with support for up to 20 files
Use external custom stub option
Auto Save personal settings
UPX and NTDLL Compression Support
You can compress source file with your favourite compressor like FSG or any other and then protect its output with ExChain.