We are born with some violent animal insticts and empathy. After some years pass and a person observes certain aspects and behaviours in society they get to chose their side since evil and good are human concepts.
There may be excpetions to people who have mental problems and/or with their psyche since birth.
The answer is both yes and no if we look at the question from every possible angle. In this matter this means that we have to consider this question from the perspective opinion of every single person that exists, since this question is obviously completely subjective (as are concepts of evil and good).
About the question, here comes the ultimate answer:
Humans are naturally open to manipulation. Because they have free will. Thus, the more a human trusts, likes, wants, etc... someone or something, the more like him/her/it the human will become.