On Ubuntu, install the following packages,
sudo aptitude install libswitch-perl libdatetime-perl \
libtext-glob-perl libdata-hexdumper-perl \
libdata-printer-perl -y
Get the "hash" to crack,
./inno2john.pl samples/Output.old/setup.exe > hash
Give hash to JtR.
It seems that, samples/hot-hash is the hottest thing on the internet today!