MSAOL32drv.exe is a Trojan.Dropper-BL. MSAOL32drv.exe opens a back door. Related files: %System%\MSAOL32drv.exe %System%\MSAOL32dll.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill MSAOL32drv.exe process and remove MSAOL32drv.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.