Qualityagent64.exe process comes from a harmful application that can properly be recognized as a coin miner trojan. That malware form uses your PC components to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your personal computer roughly unfunctional due to high CPU utilization.
What is Qualityagent64.exe process?
Qualityagent64.exe is a malicious process created by coin miner virus
Besides CPU utilization, some of the coin miners also utilize GPU power for their operations. In that instance, you will likely struggle also to see the mouse arrow moving – GPU is often used on 100%. It is not as vital as CPU for system work, so Qualityagent64.exe coin miner viruses don’t waste time on trifles and utilize it all. It sometimes may cause sad results.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the Qualityagent64.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
First, Qualityagent64.exe virus makes your computer overloaded. It is unable to run your applications now, as all processor power is used by a virus. That malware does not care for your wants, all it pays attention to is generating income on you. Even if you are patient, and you waited until browser is open, you will likely suffer from extremely slow performance. Pages will open for years, any type of logins will likely take about a minute – just a nightmare for a person who does a job online.
Qualityagent64.exe Technical Summary.
| File Name | Qualityagent64.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Officeclicktorun.exe, Gtavmod.exe, Dog.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Qualityagent64.exe removal. |
“Visible” damage is not a solitary negative activity coin miners perform to your computer. Qualityagent64.exe coin miner likewise deals damage to your operating system. To carry out all malicious operations effectively, it wrecks the security features of your system. You will likely see your Microsoft Defender disabled – malware stops it to avoid detection. If you open the HOSTS file, you will likely see a load of new notes – they are added by this coin miner to connect your computer to a malicious mining network. All these changes shall be reverted to the initial state in the process of system recovery.
Hardware effects of coin miner activity
Besides slowing down your PC, running at peak level for a long period of time can trigger damage to your device and raise electricity bills. PC components are created to easily deal with high load, but they can do so only when they are in a good shape.
Tiny and covered processor cooling system is hard to crack. Meanwhile, GPUs have large and easy-to-access fans, which can be easily broke if affected while working, for example, by the user much before the malware injection. Malfunctioning cooling system, together with the very high load caused by Qualityagent64.exe can easily lead to GPU failure3. Video cards are also prone to have fast wearing when used for cryptocurrency mining. It is surely a bad case when your GPU’s performance decreases on 20-30% just after several weeks of being exploited in such a way.
How did I get Qualityagent64.exe coin miner virus?
Coin miners are spread through different ways, but their main sources are malicious banners and programs from dubious sources

The example of malicious banners you can see in the Internet
An additional way you could get this item on your computer is by downloading it from the untrustworthy web page as a part of a program. Users that spread hacked versions of favored programs (which do not demand the license key) have small chances to earn money. Therefore, there is a very big lure to include malware to the final package of the hacked app and acquire a coin for every installation. Before blaming these people for hacking and also malware distribution, ask yourself – is it okay to avoid purchasing the program in this manner? It is more affordable to pay $20-$30 at once than to pay a much bigger figure for antivirus software and new parts for your PC.
How to remove the Qualityagent64.exe miner from my PC?
The best way to get rid of this coin miner virus is to use anti-malware software
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 apps, along with the majority of non-crucial Windows components, are not started with the system start. That allows you to clean the PC without dealing with high processor usage of the coin miner.
References
- Read about why Monero and DarkCoin are so popular amongst cybercriminals.
- About unwanted effects for GPUs in the process of cryptomining.

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