I had a simple automation process to write which needed to copy a few files from linux server to windows via SSH. This can be accomplished using putty.
SSH, as part
As of 9 Sep 2014 with the corresponding version of plink (tested with plink 0.66), you can use the -hostkey option, as documented here:
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/accept-host-keys.html
Using the key in the original question:
plink -hostkey cc:78:13:a3:68:a6:59:7e:b8:23:2d:13:3e:66:9b:b9 user@remote
I successfully used "-hostkey" in my scripts to get around the initial host key prompting problem.
"-hostkey" is also documented to work with pscp (version 0.66).
Note that you have to change the hostkey if you change hosts or the sshd server recalculates the key.