Stealth PE - Version 2.1 Stealth PE will help the authors of the shareware programs qualitatively to protect the programs from cracking. The basic appointment of Stealth PE is to hide from cracker the information about your program and its compiler. If your program previously was packed with the ASPack, UPX, PECompact or others, after protection of such file with the Stealth PE practically it'll be impossible to determine than your program is packed. It'll be impossible to unpack such program even with special automatic unpackers.