vpn.exe is a application which is probably legit. So, if vpn.exe is on your system, it is probably ok, and will NOT cause problems. Even if your system is virus-free, we still advise you to run a good antivirus with a good detection rate, in order to yourself your system against viruses and malware.
This program is usually found in C:\Program Files (x86)\AVG\Secure VPN\Vpn.exe.
The MD5 checksum for this file is 978e595e2643913dd043a5017fa8e0e1.
This application does NOT operate as a Windows service. This is usually a good sign.
This exe runs as a 32-bit program. It can not use the entire power of current PC chips. This ordinarily happens because the publishers did not upgrade it to 64-bit code.
The description present in the exe is AVG Secure VPN.
File version stored as a property 1.5.664.0.
Producer AVG Technologies CZ, s.r.o..
Copyright notice Copyright (C) 2018 AVG Technologies CZ, s.r.o..
This app does NOT have visible elements of user interface. This is most likely a bad sign.
vpn.exe is digitally signed. Today the large majority of serious software applications are digitally signed.
The digital signature attached to vpn.exe verifies as ok. This is very good.
Digital certificate name: AVG Netherlands B.V.
Certificate's issuer name: VeriSign Class 3 Code Signing 2010 CA
It has an uninstall routine, which is a good sign. si are uninstall.