Main.exe SpyCop surveillance software. This auto-starting application monitors when the last time a Spycop scan was initiated and reminds the user at intervals when a scan is necessary. This program is a non-essential system process, but should not be terminated unless suspected to be causing problems. Note: main.exe is also a process relating to the Backdoor.Prorat Trojan. This Trojan allows attackers to access your computer from remote locations, stealing passwords, Internet banking and personal data. This process is a security risk and should be removed from your system. Note: main.exe is a process belonging to the 2Search advertising program. This process monitors your browsing habits and distributes the data back to the author's servers for analysis. This also prompts advertising popups. This process is a security risk and should be removed from your system.