Hi defcon23,

No these are not the files I was looking for, but thanks for your prompt help.

jddebug sent me the file, I have created some mirrors:

https://www.dropbox.com/s/y43pakhsm7rhr3o/hashfast-20140224-0-multiarch.tar.gz
http://thireus.com/BITCOIN/hashfast-20140224-0-multiarch.tar.gz
https://mega.nz/#!rphhmYpB!X3GPabujIl9EIiZMorVqRY07Z38Ry_HsUw2K44_zDJk

I have also tested the upgrade process and it worked perfectly well on Ubuntu. Miners at 0.4 are much more stable!