mssearchnet.exe is a Trojan.Zlob.D. mssearchnet.exe downloads and executes remote files. Related files: %System%\mssearchnet.exe Adds the value: "kernel32.dll" = "[TROJAN FILE NAME]" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill mssearchnet.exe process and remove mssearchnet.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.