Dr.Web Katana 1.0.8.6270.0 is a non-signature anti-virus for Windows that offers robust protection against the latest active threats, targeted attacks, and attempts by Trojans and exploits to use vulnerabilities in software. Its effectiveness doesn't depend on traditional virus definitions and it's capable of detecting threats that are completely new. Dr.Web Katana monitors the health of the system in real-time, neutralizing any malicious activity before damage is done. It also ensures that user-friendly applications remain unhindered, while malicious programs are blocked instantly.