Universal Extractor

http://www.legroom.net/software/uniextract
Universal Extractor is a program designed to decompress and extract files from any type of archive or installer, such as ZIP or RAR files, self-extracting EXE files, application installers, etc.  The full list of supported formats can be found in the table below.  It's able to support so many varied file formats by utilizing the many backend utilities listed in the credits at the bottom of the page.
Please note that Universal Extractor is not intended to be a general purpose archiving program.  It cannot (and never will) create archives, and therefore cannot fully replace archivers such as 7-Zip or WinRAR.  What it will do, however, is allow you to extract files from virtually any type of archive, regardless of source, file format, compression method, etc.
The original motivation behind this project was to create an easy, convenient way to extract files from various types of installation packages without the need to remember arcane command line switches or track down separate utilities to handle the unpacking.  Over time, and with the encouragement of its many users and the fine folks over on the MSFN forum, it has evolved into a mature and very capable unarchiving utility that many, including myself, find indispensable.

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Source

ArcThemALL! unites in a unique software:
Application compression using UPX, the "Ultimate Packer for eXecutables".
Plugin support for three additional external application compressors.
Archiving compression in the two most popular open formats, ZIP and 7Z.
Extraction of nearly three dozen commonly-used compression formats.

   INTRODUCTION

It provides compression and extraction of batches of multiple folders or files with simple drag&drop loading. It includes an intelligent UPX compression mode, the support to self-extracting archives creation, archives encryption and decryption and much more.
Simplified configuration is designed to make your task easier. Rather than overwhelming you with lots of complex settings, ArcThemALL! allows configuration of the major elements and uses optimized settings for the rest, so you won't have to worry about them.
Currently, the following formats are supported: 7Z, UPX, ZIP both compression and extraction; APM, ARJ, BZIP2, CAB, CHM, CPIO, DEB, DMG, FAT, GZIP, HFS, ISO, LZH, LZMA, LZMA2, MBR, MSI, MSLZ, NSIS, NTFS, RAR, RPM, SFX, TAR, UDF, VHD, WIM, XAR, XZ, Z only extraction.

   FEATURES
  Multi-compression in UPX, ZIP and 7Z formats
  Multi-extration of 33 archive formats
  Creation of self-extracting archives
  AES-256 encryption/decryption of archives
  Intelligent UPX compression modality
  Advanced compression settings
  Support drag-and-drop to load files and folders
  Support MEW11, MPRESS and Upack external compressors
  Support shell integration in SendTo and ContextMenu
  Auto-processing, Auto-exit and System-shutdown options
  Available with Multi-language interface
  Available in both installer and portable versions
   DOWNLOAD
ArcThemALL! is a completely free open source software; you can redistribute it and/or modify it under the terms of the GNU General Public License. You can read the ArcThemALL! ChangeLog (last update 14/05/2011) and the Help. Newest application release and its source code are available from here:

ArcThemALL! Installer 4.5 (Multi-language)

ArcThemALL! Portable 4.5 (Multi-language)

Universal extractor, UPX and more

BZIP2_2.UNP
as part of Universal Extractor ist not malicious software
Universal Extractor Files Detail
If you use the program and copy its executables to another place or disk... disable first all the malware and virus catcher programs

portablefreeware.com/forums/Univ Extractor

Keeping UniExtract up to date

Ultimate Packer for eXecutables UPX

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. UPX strengths in a nutshell:

• 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.
• free: UPX is distributed with full source code under the GNU General Public License v2+, with special exceptions granting the free usage for commercial programs as stated in the UPX License Agreement.

You probably understand now why we call UPX the "Ultimate Packer for eXecutables". UPX aims to be commercial quality free software, based on experience with our previous packers (DJP, lzop, and the NRV library).
upx.sourceforge.net/#downloadupx

License: Open Source (authorization)

Rating:

Size: 5.1 MB / 7.5 MB

Authors: Jared Breland (software)

Description: It allows you to extract files from many types of archive files, including ZIP, RAR, ARJ, LZH, MSI, EXE created using various installer packages such as Wise, Inno Setup, NSIS etc. It is great for testing apps for portability because you can extract files directly from installer packages without having to go through the installation process.

lupopensuite.com/db/universalextractor

License: Open Source (authorization)

Rating:

Size: 5.1 MB / 7.5 MB

Authors: Jared Breland (software)

Description: It allows you to extract files from many types of archive files, including ZIP, RAR, ARJ, LZH, MSI, EXE created using various installer packages such as Wise, Inno Setup, NSIS etc. It is great for testing apps for portability because you can extract files directly from installer packages without having to go through the installation process.

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KuShellExtension has a pre-configured entry for Universal Extractor.
All you have to do is specify the path to the executable and optionally hide the entries you don't need.
The result looks like this:

=============================

InnoUnp V0.35 is available