Hello Vouk,
I haven't been logged for a long time 
I discovered a rather unexpected diffusion of Voukoder, on a French pirate site! 
It's difficult to understand any interest for a such diffusion. I don't know how to interpret it, maybe a form of growing popularity? 
On the other hand, it might be useful to have a checksum on official files? it seems futile to me to fight against this, even largest companies cannot manage it.