avastui.exe is a application which is most likely NOT a virus. So, if avastui.exe is on your system, it is most likely ok, and will NOT be a cause for concern. Even if your system is virus-free, it is still recommended to purchase a good antivirus with a good detection rate, in order to defend yourself against potential security problems.
Normally, this program is stored in C:\Program Files\AVAST Software\Avast\avastui.exe.
The MD5 checksum for this file is d6e3a91ded211841d107eaa70d7dbf19.
This program is NOT a Windows service. This is very good.
This application uses the Internet to communicate. In this day and age this is expected from a program. For example, most of the programs on your PC check for new updates. In order to do this, Internet communications are necessary.
This exe runs in 32-bit mode. It does not use the full power of modern PC processors. This is quite normal because the makers did not bother to upgrade it to use the x64 instruction set.
The description stored in the exe is avast! Antivirus.
File version stored as a property 12.3.3154.6.
Company name AVAST Software.
Copyright notice Copyright (c) 2014 AVAST Software.
This file does NOT have visible windows. This is usually a bad sign.
Some dangerous functions of Windows appear to be used, such as functions for tapping the keyboard. We advise you to perform more in-depth research about this program.
avastui.exe has a digital signature. Today the large majority of serious programs are digitally signed.
The digital signature extracted from avastui.exe verifies as ok. This is most likely a clean, ok program.
Digital certificate name: AVAST Software a.s.
Certificate's issuer name: DigiCert High Assurance Code Signing CA-1
This program is registered to start when the PC starts. Yes
It has an uninstall string in registry, which is good. si are uninstall.