Mfemms.exe executable file is related to a malevolent application that can correctly be defined as a coin miner trojan. That malware type uses your PC components to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your computer roughly unfunctional because of high CPU utilization.
What is Mfemms.exe process?
Mfemms.exe is a malicious process created by coin miner virus
Mfemms.exe – Really high CPU as well as GPU use
Besides CPU consumption, some of the coin miners additionally utilize GPU power for their tasks. In that situation, you will probably struggle even to see the mouse cursor moving – GPU is usually utilized on 100%. It is not as critical as processor for system work, so Mfemms.exe coin miner viruses don’t waste time on trifles and utilize all of it. It often can cause unhappy results.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the Mfemms.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
Initially, Mfemms.exe virus makes your computer overloaded. It is not able to run your applications anymore, because all processor power is used by a malware. That malware does not care for your demands, all it pays attention to is generating income on you. Even if you are patient, and you waited until web browser is open, you will likely experience extremely slow performance. Pages will open for years, any sort of logins will take about a minute – just a nightmare for a person who does a job online.
Mfemms.exe Technical Summary.
| File Name | Mfemms.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Rstmwservice.exe, Aac3572mbhal_x86.exe, Aackingstondramhal_x86.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Mfemms.exe removal. |
“Visible” damage is not a single bad thing coin miners perform to your computer. Mfemms.exe coin miner likewise deals damage to your OS. To conduct all malicious functions correctly, it wrecks the protection mechanisms of your system. You will likely see your Microsoft Defender disabled – malware stops it to prevent detection. 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 system to a malicious cryptomining network. All these changes shall be gone back to the initial state in the process of system recovery.
Hardware effects of coin miner activity
Besides making your computer slow, performing at peak power for a long period of time can cause damage to your device as well as raise power expenses. PC elements are designed to easily get along with high load, but they can do so only when they are in a good shape.
Compact and well-protected CPU fan is hard to damage. Meanwhile, graphic cards have big and easy-to-access fans, which can be easily cracked if touched while running, for instance, by the user much before the malware injection. Malfunctioning cooling system, together with the very high load caused by Mfemms.exe miner can easily lead to GPU failure3. Graphic cards are also tend to have fast wearing when used for crypto mining. It is likely a bad situation when the performance of your GPU plunges 20-30% just after 1-2 weeks of being used in such a way.
How did I get Mfemms.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
Another way you could get this item on your computer is by downloading it from the suspicious website as a part of a program. Users that spread hacked versions of favored programs (which do not need the license key) have small chances to earn money. Thus, there is a very big temptation to add in malware to the final package of the hacked application and acquire a coin for each setup. Before criticizing these guys for hacking and also malware distribution, ask yourself – is it alright to avoid purchasing the program in such a way? It is more affordable to pay $20-$30 one time than to pay a much greater sum for antivirus software and new parts for your computer.
How to remove the Mfemms.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-crucial Windows components, are not started with the system start. That allows you 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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