spyblocs - Version 3.0 Spyblocs 3.0 detects and removes malicious spyware and adware. With over 90,000 definitions, Spyblocs 3.0 protects against browser hijackers and key-loggers. Free technical support and weekly definition updates. Protect your privacy and optimize performance of your PC with Spyblocs 3.0 -simple, easy, and fast.