Computer virus

Nowadays, computer virus has been admitted in the world. Simon Vallor, 22 is a person who created one kind of viruses in north Wales, which was rated the third most destructive virus worldwide. This virus can corrupt data on the computer’s hard-drive. The work of that virus is the virus will send to everyone on the computer’s address book automatically, when the email was opened. That virus had been detected in 42 countries, and received 27,000 strikes.