Well who can forget the old times when Napster was the king of p2p?. The first steps of global sharing with the hand of Napster wasnt complete if you cant share nothing but mp3. Wrapster was the solution
Here is the version 3.0 (that I dont have any idea of existence until today that I need to unWrapster a file, from WinMX
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To the ppl that doesnt know what is Wrapster:
Wrapster allows for the transformation of any file (programs, videos, etc.) into MP3 format. This allows you to hide your sensitive information in MP3 format, or store them on MP3 storage sites. UnWrapper is a program for Windows (95/98/Me/XP/NT/2k) which allows the extraction of Wrapster files.
Wrapster 3.0
hxxp://surfware.bizland.com/unwrapper/Wrapster3full.exe
Wrapper 2.1
hxxp://surfware.bizland.com/unwrapper/wrapstersetup.exe
more:
http://www.unwrapper.com/