add_action( ‘woocommerce_before_add_to_cart_button’, function(){
// start output buffering
ob_start();
} );
add_action( ‘woocommerce_before_single_variation’, function(){
// end output buffering
ob_end_clean();
// output custom div
echo ‘
‘;
} );
} );
http://stackoverflow.com/questions/29377643/woocommerce-always-showing-add-to-cart-button-even-before-variation-is-selected
