chkdisk32.exe is a Trojan.DownLdr-IM. chkdisk32.exe downloads code from the internet. Related files: %System%\chkdisk32.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill chkdisk32.exe process and remove chkdisk32.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.