ThreatFire is a Behavior-based anti-malware. Let ThreatFire open to protect you in real time from malicious behavior. It will popup various messages even if you don’t have a virus. Usually these messages do not belong to malicious activity. The program can learn by your answers and in the course of time these messages will decrease. However, be careful on what you allow.

More details: Normal antivirus products usually need to have first identified and seen a threat before they can provide adequate protection against it. The protection is then provided via a signature or fingerprint update, which must first be written by an antivirus researcher. This creates a large window of time where threats are undetected and can therefore infect your PC even when you have antivirus software installed. ThreatFire detects malicious behavior, such as capturing your keystrokes or stealing your data, instead of only looking for known threats like normal antivirus software. By implementing real-time behavioral analysis ThreatFire is able to stop never-before-seen threats solely by detecting their malicious activity. Zero-day threats are usually designed to take advantage of new vulnerabilities or exploits that are currently unprotected by traditional security products. They are usually distributed in huge quantities very quickly by mass email (SPAM), website hijacks, instant messaging or over peer-to-peer networks.

Note that ThreatFire may slow down the computer performing behavioral analysis. I think that it can also be the cause of some instability.

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