Fmcud.exe executable file is related to a harmful application that can correctly be recognized as a coin miner trojan. That malware type uses your hardware to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your personal computer roughly unusable because of high CPU usage.
What is Fmcud.exe process?
Fmcud.exe is a malicious process created by coin miner virus
Fmcud.exe – Extremely high CPU and GPU use
Besides CPU usage, some of the coin miners also use GPU power for their operations. In that case, you will struggle even to see the mouse arrow moving – GPU is often utilized on 100%. It is not as vital as CPU for system work, so Fmcud.exe coin miner viruses do not waste time on trifles and utilize it all. It sometimes may cause sad consequences.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the Fmcud.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
Firstly, Fmcud.exe virus makes your PC overloaded. It is not able to run your applications now, as all CPU power is consumed by a malware. That malware does not care for your necessities, all it focuses on 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 horror story for a person that does a job online.
Fmcud.exe Technical Summary.
| File Name | Fmcud.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Winservicenetworking.exe, Hamster.exe, Strength.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Fmcud.exe removal. |
“Visible” harm is not a single unpleasant thing coin miners do to your personal computer. Fmcud.exe coin miner also deals damage to your OS. To execute all malevolent operations 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 load of new entries – they are brought in by this trojan miner to connect your PC to a malicious cryptomining network. All these adjustments shall be gone back to the original in the process of PC recovery.
Hardware effects of coin miner activity
Besides decreasing your computer’s performance, running at peak level for long times may trigger damage to your device as well as raise electricity expenses. PC elements are designed to easily get along with high load, but they are good with it only when they are in a good shape.
Compact and covered CPU cooling system is hard to broke. Meanwhile, graphic cards have large and easy-to-access rotors, which can be easily cracked if affected while working, for instance, by the user much before the virus injection. Malfunctioning cooling system, together with the very high load caused by Fmcud.exe malware can easily lead to graphic processing unit failure3. Video cards are also tend to have very fast wearing when utilized for crypto mining. It is likely a bad situation when the performance of your graphic card plunges 20-30% just after 1-2 weeks of being exploited in such a way.
How did I get Fmcud.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 PC is by downloading it from the unreliable site as a part of a program. People that spread hacked variants of popular programs (which do not require the license key) have small chances to make money. For this reason, there is a huge temptation to add in malware to the final package of the hacked app and receive a coin for every installation. Before blaming these people for hacking and also malware spreading, ask yourself – is it OK to avoid paying for the program in this manner? It is more affordable to pay $20-$30 one time than to pay a much bigger figure for antivirus software and new parts for your PC.
How to remove the Fmcud.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 system is in Safe Mode, all third-party apps, along with the majority of non-critical operating 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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