Back in 2004, Marcin Kleczynski picked up a nasty malware infection one day while cruising the Internet in search of video games. This despite having a big-name paid antivirus in place. It was the family computer, so his parents said, you have to make this right. No big deal, said Marcin. He worked as a computer tech after school in Chicago. How long could it take to remove a small bit of malicious code?