mscore32.dll is a Trojan.Gamqowi. mscore32.dll opens a back door on TCP port 4661. mscore32.dll tries to terminate antiviral programs installed on a user computer. Related files: %Windir%\mwfirewall.exe %Windir%\svch0st.exe %Windir%\mscore32.dll %Windir%\dodrrr.exe %Windir%\msconfl.dat Adds the value: "ms_anti_spyware" = "%Windir%\mwfirewall.exe" to the Windows startup registry keys. More info: http://securityresponse.symantec.com/avc... Removal: Remove mscore32.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.