Trojan.BetaBot Activity 3 is classified as a Trojan horse that can be detected by some antivirus but cannot be removed. It’s due to the rootkit technology of thevirus that makes it advanced and complicated. Hazardous as Trojan.BetaBot Activity 3 is, it’s good at utilizing security vulnerabilities and resides in a target machine stubbornly. Its penetration is always performed without any of your consent or knowledge. When your computer is encountered with the Trojan.BetaBot Activity 3 virus, the response speed of the computer will turn out slower and slower as the virus is able to consume lots of system resource.