Reply with the company's attributes as you see them. I'm not looking for just another paycheck. I enjoy my work and am proud of my profession. I share the values that make this possible, which should enable me to fit in and complement the team. The interviewer is looking for incompatibilities.
Most interviews start with a preamble by the interviewer about the company.
In fact, any statement the interviewer makes about the job or corporation can be used to your advantage. So, in answer, you liked everything about your last job. You might even say your company taught you the importance of certain keys from the business, achievement, or professional profile. Criticizing a prior employer is a warning flag that you could be a problem employee. No one intentionally hires trouble, and that's what's behind the question.