Rovers owners had stated they offered the Brazilian ace a three-year deal worth £20million.
Venky's chairwoman Anuradha Desai said: "I'm quite positive and hopeful. From what we understand, he is keen to play in the Premier League."
But Kean, who hopes to make several January signings, admitted: "Over the last 24 to 48 hours it has become less likely. I don't think this is one that was for publicity. It was a genuine contact, a genuine intent."