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
As I have pointed out in the previous paragraph, Mnn.exe is a coin miner virus. The names of the executive file may be diverse, however, the effects are generally the identical. Because coin miners focus on cryptocurrency mining, they utilize all available hardware capacity of your PC to perform this operation. This malware does not pay attention to the fact that you probably need to use your system for other activities – it will continuously consume over 80% of your processor power.
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
Crypto mining means the activity of calculating the transaction block hash. That is a integral part of anything based on the blockchain technology. Since this operation takes a lot of calculations, a very powerful desktop is needed. Exactly, the GPU is better for this purpose, because they have more cores available. Cryptomining farms usually consist of dozens of graphic cards to conduct their activity effectively. Such systems are not usable for “general” purposes, like gaming or web browsing. Crooks who gain money via this coin miner use someones’ PCs instead, even if they are used for the regular activity.2
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
Coin miners are one of the most prevalent malevolent programs among “major” malware. Adware frequently acts as a carrier for Mnn.exe malware injection: it demonstrates you the banners, which have a link to malware downloading. Sure, this abstract “malware” may belong to any type – yet another adware, spyware, rogue or backdoor. However, the statistics say that around 30% of all malware spread with the malicious banners are coin miners – and Mnn.exe is right one of them.4
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
Getting rid of such a virus demands using specific tool. Appropriate anti-malware program should have high capability at scanning and be lightweight – in order to make no problems with usage even on weak computers. On top of that, it is recommended to have on-run security in your protection tool – to halt the virus even before it launches. Microsoft Defender does not have these functions for various reasons. That’s why I’d recommend you to use a third-party anti-malware program for that purpose. GridinSoft Anti-Malware is a superb option that fits each of the mentioned qualities.5
Prior to the virus removal, it is important to boot your system into Safe Mode with Networking. Since Mnn.exe miner takes a lot of processor power, it is required to stop it before launching the security program. Otherwise, your scan will last for years, even though the GridinSoft program is pretty lightweight.
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.
Remove Mnn.exe coin miner virus with GridinSoft Anti-Malware
Download and install GridinSoft Anti-Malware. You can use this anti-malware program for free during its 6-day trial period. In that term, all functions are available, and it takes no payments to remove malware from your system.
After activating your free trial, start Full scan. It may last up to 10 minutes. You may use the PC as usual.
When the scan is finished, press the Clean Now button to remove all detected elements from your system. This procedure takes less than a minute.
Now, you are good to go. Reboot your PC into a normal Windows mode and use just as there was nothing malicious.
Remove Mnn.exe Virus ⛏️ Trojan Coin Miner
Name: Mnn.exe
Description: The Mnn.exe is a Trojan Coin Miner that uses the infected computer’s sources to mine electronic money without your authorization. This Mnn.exe will create your CPU to go for very warm temperatures for prolonged periods of time, which could reduce the life of the CPU.
Operating System: Windows
Application Category: Trojan
User Review
( votes)References
- Read about why Monero and DarkCoin are so popular amongst cybercriminals.
- Detailed explanation of how does cryptomining work.
- About unwanted effects for GPUs in the process of cryptomining.
- Read more about various malware type on Cybersecurity Glossary.
- Our review on GridinSoft Anti-Malware.
