FYI there is a data recovery tool that automates this
PhotoRec 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
I mounted the archive
sudo losetup /dev/loop0 wlinsurance-20130815-A.aes256.decrypt
and ran the tool over it. no luck.
I guess its encrypted multiple times?!
But anons keep PhotoRec in your mind if things like these are necessary