Mnn.exe executable file belongs to a malicious application that can properly be defined as a coin miner trojan. That malware form uses your PC components to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your system roughly nonfunctional due to high CPU use.
What is Mnn.exe process?
Mnn.exe is a malicious process created by coin miner virus
Mnn.exe – Really high CPU as well as GPU use
Besides CPU utilization, some of the coin miners also use GPU power for their tasks. In that instance, you will struggle even to see the mouse arrow moving – GPU is often utilized on 100%. It is not as important as processor for system work, so Mnn.exe coin miner viruses don’t waste time on trifles and utilize all of it. It sometimes may result in bad results.
Shortly about cryptocurrency mining
List of the typical coin miner symptoms
How dangerous is the Mnn.exe miner?
Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system
First, Mnn.exe malware makes your system overloaded. It is not able to run your applications now, since all processor power is consumed by a virus. That malware does not care for your necessities, all it focuses on is generating income on you. Even if you are patient, and you waited until browser is open, you will likely suffer from exceptionally slow efficiency. Pages will open for years, any type of logins will likely take about a minute – just a headache for a person that does a job online.
Mnn.exe Technical Summary.
| File Name | Mnn.exe |
| Type | Trojan Coin Miner |
| Detection Name | Trojan:Win32/CoinMiner |
| Distribution Method | Software bundling, Intrusive advertisement, redirects to shady sites etc. |
| Similar behavior | Nod42.exe, Health.exe, Cvc.exe |
| Removal | Download and install GridinSoft Anti-Malware for automatic Mnn.exe removal. |
“Visible” damage is not a solitary bad thing coin miners perform to your personal computer. Mnn.exe coin miner likewise deals damage to your operating system. To execute all malevolent functions successfully, it wrecks the protection components of your system. You will likely see your Microsoft Defender disabled – malware stops it to avoid recognition. If you check the HOSTS file, you will likely see a load of new entries – they are added by this trojan miner to connect your system to a malicious cryptomining network. All these changes are about to be thrown back to the initial state in the process of computer recovery.
Hardware effects of coin miner activity
Besides slowing down your PC, performing at peak level for long times can trigger damage to your device and raise electricity expenses. Hardware components are designed to easily deal with high load, but they are good with it only in case when they are in a good shape.
Tiny and well-protected processor cooling system is quite hard to crack. Meanwhile, graphic cards have big and easy-to-access rotors, which can be easily cracked if touched while spinning, for instance, by the user much before the coin-miner injection. Malfunctioning cooling system, together with the really high load caused by Mnn.exe can easily lead to graphic card failure3. Graphic cards are also tend to have fast wearing when utilized for cryptocurrency mining. It is surely an undesirable case when your GPU’s performance decreases on 20-30% just after 1-2 weeks of being used in such a way.
How did I get Mnn.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 suspicious website as a part of a program. Users who spread hacked variants of well-known programs (which do not require the license key) have small chances to earn money. For this reason, there is a very big lure to include malware to the final package of the hacked app and receive a coin for each installation. Before criticizing these people for hacking and also malware distribution, ask yourself – is it OK to avoid buying the program in such a way? It is more affordable to pay $20-$30 at once than to pay a much bigger sum for antivirus software as well as new parts for your computer.
How to remove the Mnn.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, along with the majority of non-critical system components, are not launched with the system start. That allows you to clean the system 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.
Leave a Comment