How to Rid Of Malware from the Blog?

My other blog has been declared by Google as a Reported Attack Site due to Malware. I don't know how injected that malware on my blog. According to the review somebody injected it. Who is that stupid, idiot individual? Who do you think paid him to destroy my blog? An ordinary blogger like me who is just quiet at the corner trying to earn something was bothered by a hacker who is doing nothing except to hack and destroy anybody's peaceful life.

At the moment I am trying how to get rid of that Malware injected on my other blog. Any idea how to make rid of that Malware effectively from my blog?