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