MSAOL32dll.exe is a Trojan W32.Rbot-ATA. MSAOL32dll.exe opens a back door on IRC channels. MSAOL32dll.exe spreads via open network shares. Related files: %System%\MSAOL32dll.exe More info: http://www.sophos.com/virusinfo/analyses... Removal: Kill MSAOL32dll.exe process and remove MSAOL32dll.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.