doser.exe is a Trojan.Agent-ZD. doser.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\doser.exe %System%\ssldr32.dll More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill doser.exe process and remove doser.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.