Is it a virus or malware?
Should I remove it?
And how to remove this file?

All answers can be found here and you will have a clear understanding of this file.
For more details about this post, you’re able to read it onMiniTool Website.
What Is Smartwebapp.exe?

Smartwebapp.exe is an executable exe file that belongs to a program called SmartWeb.
This software is developed by SoftBrain Technologies software developer.
Samrtwebapp.exe often appears suddenly accompanied by the downloading and installing of other programs.
In this way, most people will consider it as aPUP/PUA(Potentially Unwanted utility/Program).
Is Smartwebapp.exe Harmful?
Smartwebapp.exe file is different from the virus or malware.
In this way, better to remove smartwebapp.exe.
After knowing what smartwebapp.exe is, the next part is about how to remove it.
How to Remove Smartwebapp.exe?
you could remove smartwebapp.exe by uninstalling its parent tool and removing the extension from the net surf tool.
If you dont remember any program youve installed, it’s possible for you to try those shady-looking apps.
Step 3: When you have located the culprit, you could right-hit it and clickUninstallto remove it.
Step 4: After you finish the uninstallation, you might kickstart your rig and continue your next part.
There are two online window examples for you.
Remove the extension from IE:
Step 1: Open theRunbox by pressing theWindowsandRkeys together and inputinetcpl.cplto enter.
Step 2: Switch to theAdvancedtab and click theReset…button.
Step 3: In the next pop-up window, clickResetto reassure your choice.
At last, the extension can be removed from IE.
Step 2: Right-select theDefaultfolder and clickRename.
Then rename this folder to other different names to make Chrome create a new folder when it restarts.
Then the extension can be removed from Chrome.
Step 1: TypeWindows Defender/Windows Securityin the Search box and open it.
you could also resort to a third-party antivirus to do this job.
The final choice is in your hands.
If you want to remove it, you could follow the above methods.
Hope this article is useful for you.