Cuh.exe executable file belongs to a malevolent application that can correctly be identified as a coin miner virus. That malware form utilizes your PC components to mine cryptocurrencies, generally – Monero or DarkCoin1. It makes your computer pretty much nonfunctional because of high CPU usage.
What is Cuh.exe process?
Cuh.exe is a malicious process created by coin miner virus
Cuh.exe – Really high CPU and GPU usage
Besides CPU utilization, some of the coin miners also utilize GPU power for their operations. In that instance, you will probably struggle also to see the mouse cursor moving – GPU is usually used on 100%. It is not as vital as CPU for system work, so Cuh.exe coin miner viruses do not waste time on trifles and use it all. It sometimes may lead to sad results.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the Cuh.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
First off, Cuh.exe malware makes your PC overloaded. It is unable to run your applications anymore, as all CPU power is used by a malware. That malware does not care for your necessities, all it pays attention to is generating profits on you. Even if you are patient, and you waited until web browser is open, you will likely suffer from incredibly sluggish performance. Pages can open for years, any type of logins will take about a minute – just a headache for a person that does a job online.
Cuh.exe Technical Summary.
| File Name | Cuh.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Graphicscardenginestarter.exe, Operfmon.exe, Nvnodejslauncher.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Cuh.exe removal. |
“Visible” harm is not a solitary bad activity coin miners do to your personal computer. Cuh.exe coin miner also deals damage to your operating system. To carry out all malevolent functions successfully, it wrecks the protection components of your system. You will likely see your Microsoft Defender disabled – malware stops it to prevent recognition. If you open the HOSTS file, you will likely see a load of new entries – they are brought in by this coin miner to connect your system to a malicious cryptomining network. All these changes shall be thrown back to the original in the process of system recovery.
Hardware effects of coin miner activity
Besides making your PC slow, running at peak power for long times can cause damage to your device as well as increase power bills. PC components are designed to easily get along with high load, but they are good with it only when they are in a good shape.
Tiny and well-protected processor cooling system is hard to crack. Meanwhile, GPUs have large and easy-to-access rotors, which can be easily broke if touched while working, for example, by the user much before the coin-miner injection. Malfunctioning cooling system, together with the really high load caused by Cuh.exe can easily lead to GPU failure3. Graphic cards are also tend to have very fast wearing when utilized for crypto mining. It is surely a bad case when the performance of your graphic card plunges 20-30% only after several weeks of being exploited in such a way.
How did I get Cuh.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
One more way you could get this item on your PC is by downloading it from the unreliable web page as a part of a program. People that spread hacked versions of popular programs (which do not need the license key) have small chances to earn money. For this reason, there is a very big temptation to add in malware to the final package of the hacked app and receive a coin for each setup. Before criticizing these guys for hacking and also malware spreading, ask yourself – is it okay to avoid buying the program in such a way? It is much cheaper to pay $20-$30 one time than to pay a much greater sum for antivirus software as well as new parts for your computer.
How to remove the Cuh.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 PC is in Safe Mode, all third-party apps, just like the majority of non-critical system components, are not started with the system start. That gives you the ability to clean the PC without dealing with high CPU 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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