instup.exe is a program which is most likely legit. So, if instup.exe is on your laptop or desktop computer, it is most likely ok, and will NOT cause problems. Even if your system is clean, it is still recommended to purchase a good antivirus with a good track record, in order to defend your system against threats.
This program is usually found in C:\Program Files\AVAST Software\Avast\setup\Sfx\instup.exe.
The MD5 fingerprint for this program is 7010e3d7fdd16f8535e08a866b484827.
This program does NOT run as a Windows service. This is usually a good sign.
This executable uses the Internet to communicate. Today this is quite normal. For example, most of the programs on your PC check for updates. For this, Internet communications are necessary.
This app runs as a 32-bit program. It can not exploit the full power of current PC processors. This is quite normal because the makers did not bother to upgrade it to 64-bit code.
The description present in the exe is Avast Antivirus Installer.
File version stored as a property 17.5.3585.0.
Company AVAST Software.
Legal copyright notice Copyright (c) 2014 AVAST Software.
This application does NOT have visible elements of user interface. This is most likely a bad sign.
instup.exe is digitally signed. Nowadays the large majority of legit software applications are digitally signed.
The digital signature extracted from instup.exe checks out perfectly. This is most likely a clean, ok program.
Digital certificate name: AVAST Software s.r.o.
Certificate's issuer name: DigiCert High Assurance Code Signing CA-1
It has an uninstall string in registry, which is a good sign. si are uninstall.