Just a little app we keep open all the time when working with archives.
Keep it open and just drop archives to unpack. Uses the 7z.dll.
UnPacker is Copyright © 2005 - 2014 vault32. All rights reserved.
Freeware...

The 7z.dll is Copyright © 2011 Igor Pavlov. Visit 7-Zip here: http://www.7-zip.org/

Download UnPacker - x86, tested on Windows 2000, XP, 7 [md5 -> 02602B4519A4DED641A700713DB58916]