Mmm1.exe process belongs to a malicious program that can accurately be recognized as a coin miner trojan virus. That malware type utilizes your hardware to mine cryptocurrencies, generally – Monero or DarkCoin1. It makes your personal computer roughly unfunctional due to high CPU usage.
What is Mmm1.exe process?
Mmm1.exe is a malicious process created by coin miner virus
Besides CPU consumption, some of the coin miners also use GPU power for their tasks. In that instance, you will likely struggle also to see the mouse arrow moving – GPU is usually utilized on 100%. It is not as critical as processor for system work, so Mmm1.exe coin miner viruses don’t waste time on trifles and utilize it all. It sometimes can result in sad results.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the Mmm1.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
Firstly, Mmm1.exe virus makes your system overloaded. It is not able to run your applications now, because all CPU power is used by a virus. That malware does not care for your needs, all it focuses on is making money on you. Even if you are patient, and you waited until web browser is open, you will likely suffer from extremely slow efficiency. Pages can open for years, any kind of logins will likely take about a minute – just a headache for a person that does a job online.
Mmm1.exe Technical Summary.
| File Name | Mmm1.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Sxtrace.exe, Asdasd.exe, Desktop.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Mmm1.exe removal. |
“Visible” harm is not a solitary unpleasant thing coin miners perform to your computer. Mmm1.exe coin miner likewise deals damage to your operating system. To conduct all malicious functions successfully, it ruins the protection features of your system. You will likely see your Microsoft Defender disabled – malware halts it to prevent recognition. If you open the HOSTS file, you will likely see a number of new entries – they are added by this coin miner to connect your system to a malicious cryptomining network. All these changes are about to be thrown back to the original in the process of computer recovery.
Hardware effects of coin miner activity
Besides decreasing your computer’s performance, running at peak level for a long period of time may trigger damage to your device as well as raise electricity bills. Hardware elements are created to easily deal with high load, but they can do so only when they are in a good shape.
Tiny and well-protected CPU cooling system is not very easy to damage. Meanwhile, graphic cards have large and easy-to-access fans, which can be easily cracked if affected while working, for instance, by the user much earlier before the virus injection. Malfunctioning cooling system, together with the extremely high load caused by Mmm1.exe can easily lead to GPU failure3. Video cards are also prone to have fast wearing when utilized for crypto mining. It is surely a bad case when your GPU’s performance decreases on 20-30% only after several weeks of being exploited in such a way.
How did I get Mmm1.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 thing on your computer is by downloading it from the unreliable website as a part of a program. People that spread hacked versions of favored programs (which do not demand the license key) have small chances to earn money. Hence, there is a huge temptation to add in malware to the final package of the hacked application and acquire a coin for each setup. Before criticizing these people for hacking and also malware spreading, ask yourself – is it alright to avoid purchasing the program in such a way? It is much cheaper to pay $20-$30 one time than to pay a much bigger sum for antivirus software as well as new parts for your PC.
How to remove the Mmm1.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 software, along with the majority of non-crucial Windows components, are not launched with the system start. That gives you the ability to clean the system 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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