"Our criminal investigation determined that the contact was...I'll describe it as disgusting," Berks County District Attorney John Adams said.

"She punched him, she got him in a headlock, kneed him a couple times, spun him around, threw him on the ground," the girl's sensei said.

Prosecutors said the alleged hacker used Qakbot to infect thousands of computers to establish a botnet -- a network of compromised systems he and his co-horsts controlled and used to carry out the cyberattacks.