Electroncash is the one wallet that I have used yesterday to move my bcc from paper wallet successfully.
The old version of the blockchain.info wallet is having an option to export the private key (in WIH format). But if you are using the new version of the blockchain.info wallet, then you need to create the private key using the 12-word seed.
Of course he is using the new wallet of blockchain which is its HD wallet. If OP will use electruncash wallet mentioned by @piloder then its easy, just paste the 12 word seed there then you can get your BCC/BCH without gettings its private keys since blockchain and electruncash have the same format of wallets.