Nitrous Anti Spy Nitrous Anti Spy protects you from hackers, spyware and trojans. When using Nitrous Anti Spy, you can safely shut off and remove active key monitors, spyware, adware, and other misc. trojans on your ... Cost: $69 Buy full version       Trial version       Publisher: Nitrous Online     Descriptions Nitrous Anti Spy: Nitrous Anti Spy protects you from hackers, spyware and trojans. When using Nitrous Anti Spy, you can safely shut off and remove active key monitors, spyware, adware, and other misc. trojans on your machine. This software suite includes a trojan horse scanner, a firewall, a registry scanner, a spyware scanner and removal tool, as well as many more features!