W1NT45K.exe is a mass-mailing worm W32.Mytob.BL@mm. W1NT45K.exe spreads by e-mail and via open network shares. W1NT45K.exe tries to terminate antiviral programs installed on a user computer. W1NT45K.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\W1NT45K.exe C:\funny_pic.scr C:\my_photo2005.scr C:\see_this!!.scr C:\hellmsn.exe Adds the value: "WINRUN z" = "W1NT45K.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Kill W1NT45K.exe process and remove W1NT45K.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.