Anti-Trojan Shield - Version 2.1.0.14 Anti-Trojan Shield (ATS) is an advanced, highly effective blocker of Trojans, worms, viruses, backdoors, malicious ActiveX controls, and Java applets. It efficiently scans, detects, and removes malicious files, while maintaining an exceptional level of personal privacy and security. Without this tool, you definitely should worry about new Trojan horses and viruses, but with Anti-Trojan Shield you have no need for concern. Its integrated update utility always keeps the software on the cutting edge, fully armed for battle.