Hicom.exe is a Trojan.Chimo.A. Hicom.exe relay spam. Hicom.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\hicom.exe More info: http://securityresponse.symantec.com/avc... Removal: Kill hicom.exe process and remove hicom.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.