aspnet_state.exe is a application which is probably legit. So, if aspnet_state.exe is on your PC, it is probably ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to run a good antivirus with a good track record, in order to yourself your PC against threats.
Usually, the default filename and folder where this program is stored is
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_state.exe.
The MD5 fingerprint for this executable is ee424a5ce56e3923d59bb7de2e15036d.
This application is set up as a Windows service. This means it operates on your PC in background, usually without displaying anything to you. Most Windows services are legit programs, which provide useful features to other programs or to the Windows Operating System.
This is a x64 executable. It runs using the full capacity of nowadays' computer processors.
The description extracted from the exe is Microsoft ASP.NET State Server.
File version extracted from the file 4.6.1087.0 built by: NETFXREL4STAGE.
Publisher Microsoft Corporation.
Copyright notice © Microsoft Corporation. All rights reserved..
aspnet_state.exe is digitally signed. Today the large majority of clean programs are digitally signed.
The digital signature attached to aspnet_state.exe checks out perfectly. This is most likely a clean, ok program.
Digitally signed by: Microsoft Corporation
Certificate's issuer name: Microsoft Code Signing PCA
It has an uninstall string in registry, which is good. si are uninstall.