Hachimitsu-lemon.exe is a Trojan.Hachilem. Hachimitsu-lemon.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\hachimitsu-lemon.exe Adds the value: "hachimitsu-lemon" = "hachimitsu-lemon.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill hachimitsu-lemon.exe process and remove hachimitsu-lemon.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.