Mstrc32.dll is a Spyware.BeyondKeylog. Mstrc32.dll monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %ProgramFiles%\Supremtec\csrss.exe %System%\emconv.exe %System%\rgtcvc32.dll %System%\msrep32.dll %System%\mstrc32.dll More info: Removal: Remove mstrc32.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.