ETD Security Scanner - Version 3.0 ETD Security Scanner effectively scans your entire computer and eliminates all Electronically Transmitted Diseases including spyware, adware, and trojans. This all-in-one security utility includes an active monitor and hijack protection that closely watch your computer for malicious attempts to change your settings. Stop Internet ads and pop-ups with the built-in ad stopper. ETD Security Scanner is equipped with a user-friendly environment and fast scan times. The auto-update feature insures that your computer will stay clean in the future with the latest spyware definitions.