Anti Trojan Software Reviews: A survey of trojan remover programs by Tech Support Alert.
Diamond Computer Systems Pty. Ltd - Wormguard: Offers heuristic detection of common worms and trojans.
eSafe: Protection software/hardware that prevents worms and viruses from infecting corporate gateways.
Intrinsic Security FireBreak: Anti-worm software by Intrinsic Security that uses a unique system to detect and impede the progress of worms on a computer network.
Kak removal instructions: Describes manual removal procedures for the Kak email worm.