Trojan.Agent refers to a generic Trojan malware detection. It is used for detections that are either associated with no specific malware families or not enough information is available to pinpoint the malware family.
Backdoor.Orcus is a Remote Access Trojan (RAT) that is being sold on underground forums.
Backdoor.Orcus offers a lot of configurability options. Installing a keylogger is one of these options.
Malwarebytes protects users from Backdoor.Orcus by using real-time protection.
Malwarebytes can removes Backdoor.Orcus without further user interaction.
Users of affected computers should take precautions against the consequences of stolen information.