Trojan.Remcos is Malwarebytes’ detection name for a Remote Administration Tool (RAT) targeting Windows systems.
Trojan.Remcos typically infects a system by embedding a specially-crafted settings file into an Office document, this allows an attacker can trick a user to run malicious code without any further warning or notification. The code is XML code which allows for any binary with parameters to be executed. This code is used to download and execute the REMCOS RAT.
Trojan.Remcos gives the threat actor full control over the infected system and allows them to run keyloggers and surveillance (audio + screenshots) mode. This means:
Malwarebytes can detect and remove Trojan.Remcos without further user interaction.