Top Viruses 2009

Virus Name & Risk

1. Net-Worm.Win32.Kido.ih – Downloads computer files and blocks access to many legit websites.

2. Virus.Win32.Sality.aa – Installs itself and hides in program or data files. Blocks many websites, deletes PC files.

3. Trojan-Dropper.Win32.Flystud.ko - Keylogger tool used by hackers to break into a system and ultimately steal identity.

4. Trojan.Win32 .Autoit .ci – Tracks PC activity, including keystrokes and sends to hackers in order to steal personal info.

5. Trojan.JS.Agent.xy – Drive-by-download that has the ability to download spyware and viruses onto your PC.

6. Exploit.HTML.CodeBaseExec – Exploit that turns PCs into zombies, infecting other PCs in order to steal personal data.