15 day free trial of STOPzilla. This is the stable release 5.0.82.1.
STOPzilla detects, blocks, and removes Spyware, Adware, Pop-up ads, Phishing attacks, hijackers, rootkits, Trojans, and much more:

• Detects, blocks, and quarantines Spyware and Adware in true real time.
• On-demand & automatic Spyware scanning.
• Updates automatically for optimal protection.
• Most advanced Pop-up protection available.
• Kills Browser Hijackers, removes rootkits, prevents botnet attacks.
• Blocks Phishing Attacks, protects from malicious Web sites.
• Clears Cookies & History.
• Free unlimited customer support via live chat, e-mail or toll-free calls.

Note: The Download link will download a small installer file to your desktop. Remain online and double-click the installer to proceed with the actual download.