Purpose: TFService.exe is commonly known as "ThreatFire" an application designed to protect your computer against malware such as trojans, spyware, rootkits, keyloggers, and buffer overflows by intelligently detecting and blocking behavior consistent with that of malware.
This APP doesn't catch the EICAR (http://en.wikipedia.org/wiki/Eicar_test_file).

tfservice.exe is required by third-party software or hardware and should not disabled.

Percentage of recently scanned PC's with this process running: 0.21%
Average CPU use for this program: 0%
Average RAM for this program: 4 MB