Download UPX (Ultimate Packer for eXecutables) 3.08

By MagzSoftware Tuesday, February 21, 2012
UPX (Ultimate Packer for eXecutables) Interface
Description
:
UPX achieves an excellent compression ratio and offers very fast decompression. Your executables suffer no memory overhead or other drawbacks for most of the formats supported, because of in-place decompression.
File Size
:
343.3KB
Features
:
  • excellent compression ratio: typically compresses better than WinZip/zip/gzip, use UPX to decrease the size of your distribution!
  • very fast decompression: ~10 MB/sec on an ancient Pentium 133, ~200 MB/sec on an Athlon XP 2000+.
  • no memory overhead for your compressed executables because of in-place decompression.
  • safe: you can list, test and unpack your executables. Also, a checksum of both the compressed and uncompressed file is maintained internally.
  • universal: UPX can pack a number of executable formats.
  • portable: UPX is written in portable endian-neutral C++.
  • extendable: because of the class layout it's very easy to add new executable formats or new compression algorithms.
What's New in version 3.08:
  • Fix allocation in runtime stub for darwin.macho-entry (i386 and amd64).
  • Compress shared library on ELF i386 only [ld.so threatens even this case].
  • Attempt to suport ELF on QNX 6.3.0 for armel (experimental).
  • Better diangostic when ELF -fPIC is needed.
  • PT_NOTE improvements for *BSD.
  • Preserve more ELF .e_flags on ARM.
  • Minor code improvements for ELF stubs
  • Defend against another flavor of corrupt PE header.
  • bug fixes
Platform
:
Win 9x/ME/NT/2K/XP/2K3/Vista/7
Publisher/Author
:
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