School officials determined the virus was similar to Onel de Guzman's thesis, called E:mail Password Sender Trojan, which was designed to obtain Windows passwords, and retrieve Internet accounts from victims' computers.
The Philippines dropped all charges against Onel de Guzman , a 24-year-old computer school dropout suspected of releasing the "I Love You" virus that cost billions of dollars worth of damage when it deleted hard drives around the world in May.