Was not in my todo list to talk about Blackhole but i've broken a server and found this shit on it.
If you look for furter information about Blackhole have a look here: http://blog.spiderlabs.com/2012/09/blackhole-exploit-kit-v2.html
And here: http://malware.dontneedcoffee.com/2012/09/behind-captcha-or-inside-blackhole.html
Paunch use kcaptcha (http://www.captcha.ru/en/kcaptcha/) and have changed alot of parameters, my blackhole 1.x.x tools are all dead.
but it's just a question of time to adapt the work... again.
If you want to recognise a blackhole 2.0 use these paths as help: