Comsrm.dll is a Backdoor Trojan.Riler.B. Comsrm.dll spreads via open network shares. Related files: %System%\srchost.exe %System%\sporder.dll %System%\winmedl.dll %System%\WinSSi.exe %System%\comsrm.dll More info: http://securityresponse.symantec.com/avc... Removal: Remove comsrm.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.