A Trojan is a program that enables an attacker to get nearly complete control over an infected PC. Frequently used tool by malicious hackers. When this program executes, the program performs a specific set of actions. This usually works toward the goal of allowing the trojan to survive on a system and open up a backdoor.
Official Description:
This will give an attacker access to your computer.
Comment:
It is unknown if this trojan is still in circulation.