Get a different task manager called Process Explorer.
It is part of a bundle or get it separately at Microsofts Sysinternals
You can choose to have it replace or as a separate task manager.
On the right hand column you will see every process being constantly monitored by VirusTotal which uses over 60 antimalware companies (basically just about every one that exists).
If your running process is malicious you will find out after this analysis
Check out the other monitoring programs in this package
https://blog.malwarebytes.com/cybercrime/2014/01/process-explorer-now-including-virustotal-support/
https://technet.microsoft.com/...lorer.aspx