AvastUI.exe Is It Avast! Antivirus or Coin Miner?

AvastUI.exe is an executable file associated with Avast Antivirus software. It is the user interface component of the Avast antivirus program, allowing users to interact with and manage various features and settings of the antivirus software.

Avast Antivirus is a popular security solution that offers real-time protection against malware, viruses, and other online threats. AvastUI.exe is responsible for providing a graphical interface that allows users to access and configure different options, perform scans, view reports, and manage quarantined files.

While AvastUI.exe is a legitimate component of Avast Antivirus, it is essential to ensure that you have obtained the software from official and trusted sources. Some malware or viruses may try to mimic the file name to deceive users. Therefore, it is always recommended to download Avast Antivirus directly from the official Avast website or through reputable app stores to ensure the authenticity and integrity of the file.

If you have concerns about AvastUI.exe or suspect any unusual behavior related to the file, it is recommended to run a thorough scan with your antivirus software to ensure your system’s security.

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It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.

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What is Avastui.exe process?

If you notice unusually high CPU usage or if AvastUI.exe is located in a suspicious location like the temp folder, it could indicate a potential issue. In some cases, malware or viruses may disguise themselves by using the same or similar file names as legitimate processes to avoid detection.

To ensure the integrity of AvastUI.exe, it is recommended to verify the installation path and the digital signature of the file. The legitimate AvastUI.exe should be located in the Avast program folder, typically under “C:\Program Files\Avast” or a similar location. Additionally, keep your antivirus software and operating system up to date, perform regular scans, and be cautious when downloading and installing software from untrusted sources.

If you suspect that AvastUI.exe or your system is infected, it is best to run a thorough scan using trusted antivirus software and follow the recommended actions to remove any detected threats.

Avastui.exe – Very high CPU and GPU usage

Besides CPU utilization, some of the coin miners additionally utilize GPU power for their operations. In that case, you will probably struggle also to see the mouse cursor moving – GPU is usually utilized on 100%. It is not as important as processor for system work, so Avastui.exe coin miner viruses don’t waste time on trifles and use all of it. It sometimes may result in unhappy consequences.

List of the typical coin miner symptoms

How dangerous is the Avastui.exe miner?

Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system

Initially, Avastui.exe virus makes your system overloaded. It is not able to run your applications anymore, as all processor power is used by a malware. That malware does not care for your needs, all it focuses on is generating profits on you. Even if you are patient, and you waited until browser is open, you will likely struggle with exceptionally slow performance. Pages will open for years, any type of logins will take about a minute – just a horror story for a person that works online.

Avastui.exe Technical Summary.

“Visible” harm is not a single unpleasant activity coin miners do to your PC. Avastui.exe coin miner likewise deals damage to your operating system. To perform all malevolent functions successfully, it wrecks the security components of your system. You will likely see your Microsoft Defender disabled – malware halts it to avoid recognition. If you check the HOSTS file, you will likely see a number of new notes – they are added by this trojan miner to connect your system to a malicious mining network. All these changes shall be gone back to the initial state in the process of PC recovery.

Hardware effects of coin miner activity

Besides making your computer slow, running at peak level for long times can cause damage to your device as well as increase electricity bills. PC components are created to easily get along with high load, but they are good with it only when they are in a good shape.

Little and covered processor cooling system is not very easy to broke. Meanwhile, graphic cards have large and easy-to-access fans, which can be easily cracked if touched while spinning, for example, by the user much earlier before the virus injection. Malfunctioning cooling system, together with the extremely high load caused by Avastui.exe malware can easily lead to graphic card failure¹. GPUs are also prone to have increased wearing when used for cryptocurrency mining. It is surely a bad case when your GPU’s performance plunges 20-30% just after 1-2 weeks of being exploited in such a way.

How did I get Avastui.exe coin miner virus?

Coin miners are spread through different ways, but their main sources are malicious banners and programs from dubious sources

Coin miners are the most prevalent malicious programs through “serious” viruses. Adware often functions as a carrier for Avastui.exe malware injection: it shows you the banners, which include a link to malware downloading. Sure, this abstract “malware” can belong to any kind – yet another adware, spyware, rogue or backdoor. But the statistics say that approximately 30% of all viruses spread with the malevolent banners are coin miners – and Avastui.exe is just among them.

The example of malicious banners you can see in the Internet

An additional way you could get this thing on your computer is by downloading it from the dubious site as a part of a program. Users that spread hacked variants of popular programs (which do not need the license key) have small chances to get paid. Thus, there is a huge lure to include malware to the final package of the hacked app and receive a coin for every setup. Before criticizing these people for hacking and malware distribution, ask yourself – is it okay to avoid buying the program in such a way? It is more affordable to pay $20-$30 at once than to pay a much bigger sum for antivirus software as well as new parts for your desktop.

How to remove the Avastui.exe miner from my PC?

The best way to get rid of this coin miner virus is to use anti-malware software

Removing such a virus needs the use of special tool. Effective anti-malware program must have high capability at scanning and also be lightweight – in order to make no problems with usage also on weak PCs. On top of that, it is recommended to have proactive protection in your security tool – to prevent the virus even before it launches. Microsoft Defender does not have these elements for different reasons. That’s why I’d advise you to use a third-party anti-malware program for that purpose. GridinSoft Anti-Malware is a great choice that fits each of the discussed features.²

Prior to the malware removal, it is important to reboot your operating system into Safe Mode with Networking. Since Avastui.exe miner consumes a lot of CPU power, it is needed to halt it before launching the security program. Otherwise, your scan will last for years, even though the GridinSoft program is pretty lightweight.

Booting the PC into Safe Mode with Networking

Press the Start button, then choose Power, and click on Reboot while holding the Shift key on the keyboard.

Windows will reboot into recovery mode. In that mode, choose Troubleshoot→ Startup Settings→ Safe Mode with Networking. Press the corresponding button on your keyboard to choose that option.

When your computer is in Safe Mode, all third-party programs, just like the majority of non-critical operating system components, are not started with the system start. That gives you the ability to clean the computer without dealing with high CPU usage of the coin miner.

Remove Avastui.exe coin miner virus with GridinSoft Anti-Malware

Download and install GridinSoft Anti-Malware. You can use this anti-malware program for free during its 6-day trial period. In that term, all functions are available, and it takes no payments to remove malware from your system.

After activating your free trial, start Full scan. It may last up to 10 minutes. You may use the PC as usual.

When the scan is finished, press the Clean Now button to remove all detected elements from your system. This procedure takes less than a minute.

Now, you are good to go. Reboot your PC into a normal Windows mode and use just as there was nothing malicious.

1. About unwanted effects for GPUs in the process of cryptomining.
2. Our review on GridinSoft Anti-Malware.

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