Zero-day Malware Protection
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May 08, 2008
ThreatFire 3.5
"ThreatFire 3's ability to block installation of malware strictly by identifying bad behavior is phenomenal. It did a better (and faster) job than Norton AntiBot and even beat out Spy Sweeper, our current Editors' Choice for signature-based anti-spyware. This free tool is an excellent addition to your security arsenal."
-, October 2, 2007*

Select Your Choice for Advanced Behavioral Detection

Features Comparison ThreatFire Free Spyware Doctor with AntiVirus
Protection from viruses, worms, trojans, spyware, rootkits, buffer overflows & more
Real-time behavior-based protection
Automatic Smart updates
Advanced custom rules
Informative program alerts
Free online support
Personal and individual use allowed
Includes ThreatFire technology
Free priority telephone support
Commercial use allowed
On-demand scanning to clean an infected PC
Ten Intelliguards to block threats in real-time
Run scheduled virus & spyware scans for peace of mind
Context menu scanning
Password protection
Cost Free*
Business users please
contact us for a quote
$39.95 USD
  Get Free Trial Version

ThreatFire Version Information

Current Version: 4.7.0
File Size: 8.59 MB
Release Date: November 25, 2009
Operating System: Windows® 7, Vista™, XP, and 2003
View the ThreatFire EULA

PC Magazine Editors' Choice Award Logo is a registered trademark of Ziff Davis Publishing Holdings Inc. Used under license.
*Reprinted from, October 2, 2007, with permission. Copyright © 2007 Ziff Davis Publishing Holdings Inc. All Rights Reserved.

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