About 95% of PC viruses get inside your computer through pen drivers, digital cameras, cellular memory cards, mp3 & mp4 players. The left 5% indicates network viruses including the Internet. Codon USB Virus Scanner is capable of removing any virus in an any USB storage device, such as a pen drive! So you computer will be healthier than ever!. Codon does not need to be updated. It's a headache-free virus prevention system. It's even free! Unlike others, we don't Create virus that Codon can catch, and spread through pen drivers & the Internet. That's because we do not expect a profit from Codon. It does not waste your time by taking a long time to scan a drive. It works at lightning speed. Unlike using other anti-viruses, Codon does not slow down your computer. Even you can use it with any other anti-virus application!. Codon is designed by Naveen Dismitha Kumarasinghe, Nalanda College, Colombo 10, Sri Lanka.