Two very quick Functions I came up with in 5 minutes to check if a file has been upx'ed. This is accomplished by reading the file or using the parameter "-t" and upx.exe. Any problems, suggestions then post below. Thanks. Function: ; #FUNCTION# ==================================================================================================================== ; Name ..........: _IsUPX ; Description ...: Checks if a supported file is UPX'd. ; Syntax ........: _IsUPX($sFilePath[, $sUPX = 'upx.ex