Nottepad.exe Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Nottepad.exe executable file belongs to a malicious program that can accurately be identified as a coin miner trojan virus. That malware form uses your hardware to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your system pretty much nonfunctional due to high CPU utilization.
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What is Nottepad.exe process?

Nottepad.exe is a malicious process created by coin miner virus

As I have actually mentioned earlier, Nottepad.exe is a coin miner trojan. The names of the .exe file may be diverse, but the effects are generally the identical. Considering that coin miners focus on cryptocurrency mining, they use all possible hardware power of your PC to run this procedure. This virus does not care about the fact that you probably need to make use of your system for other activities – it will consistently use over 80% of your processor power.

Nottepad.exe Windows Process

Nottepad.exe – Really high CPU and GPU usage

Besides CPU usage, some of the coin miners also use GPU power for their operations. In that case, you will likely struggle even to see the mouse arrow moving – GPU is often utilized on 100%. It is not as vital as processor for system work, so Nottepad.exe coin miner viruses do not waste time on trifles and use all of it. It sometimes can lead to unhappy effects.

Shortly about cryptocurrency mining

Cryptocurrency mining is a term that means the operation of calculating the transaction block hash. That is a integral element of anything based on the blockchain technology. Since this action takes a lot of calculations, a very powerful machine is needed. Exactly, the video card is better for this purpose, because they have more cores available. Cryptocurrency mining farms are usually constructed of tens and hundreds of GPUs to complete their task efficiently. Such systems are not usable for “general” purposes, like gaming or web browsing. Fraudsters 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

  • Extremely bad performance
  • CPU/GPU cooler fan creates a lot of noise
  • High temperature of the device (for laptops)
  • 80-90% consumption of CPU/GPU resources by an unknown process
  • Microsoft Defender is not working
  • How dangerous is the Nottepad.exe miner?

    Coin miners does not deal damage to your files. However, they make a lot of unpleasant things with the whole system

    First, Nottepad.exe malware makes your system overloaded. It is unable to run your applications anymore, since all CPU power is consumed by a malware. That malware does not care for your needs, all it focuses on is generating income on you. Even if you are patient, and you waited until web browser is open, you will likely suffer from extremely slow performance. Pages can open up for years, any sort of logins will likely take about a minute – just a horror story for a person who works online.

    Nottepad.exe Technical Summary.

    File NameNottepad.exe
    TypeTrojan Coin Miner
    Detection NameTrojan:Win32/CoinMiner
    Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behaviorRcu64.virus/, Msetup.exe, Micro.exe
    RemovalDownload and install GridinSoft Anti-Malware for automatic Nottepad.exe removal.

    “Visible” harm is not a single bad activity coin miners perform to your computer. Nottepad.exe coin miner additionally deals damage to your OS. To carry out all malevolent operations correctly, it ruins the security mechanisms 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 number of new notes – they are brought in by this trojan miner to connect your PC to a malicious mining network. All these changes shall be thrown back to the initial state in the process of system recovery.

    Hardware effects of coin miner activity

    Besides making your PC slow, performing at peak level for a long period of time may trigger damage to your machine as well as increase power costs. PC components are designed to easily get along with high load, but they can do so only when they are in a good shape.

    Small and well-protected processor fan is not very easy to crack. Meanwhile, GPUs have big and easy-to-access fans, which can be easily cracked if affected while spinning, for instance, by the user much earlier before the virus injection. Malfunctioning cooling system, together with the extremely high load caused by Nottepad.exe miner can easily lead to graphic processing unit failure3. Graphic cards are also prone to have very fast wearing when utilized for cryptocurrency mining. It is likely a bad case when your GPU’s performance decreases on 20-30% only after several weeks of being used in such a way.

    How did I get Nottepad.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 the most widespread malevolent programs among “severe” malware. Adware often acts as a carrier for Nottepad.exe malware infiltration: it shows you the banners, which include a link to malware downloading. Yes, this abstract “malware” can belong to any type – an additional adware, spyware, rogue or backdoor. But the statistics show that about 30% of all malware spread with the malevolent banners are coin miners – and Nottepad.exe is right one of them.4

    Unwanted banners adware

    The example of malicious banners you can see in the Internet

    An additional way you could get this thing on your computer is by downloading it from the dubious web page as a part of a program. Users that spread hacked versions of favored programs (which do not demand the license key) have small chances to get paid. Hence, there is a huge lure to add malware to the final package of the hacked app and get a coin for every installation. Prior to criticizing these individuals for hacking and malware spreading, ask yourself – is it OK to avoid buying the program in this manner? It is much cheaper to pay $20-$30 at once than to pay a much greater figure for antivirus software and new parts for your PC.

    How to remove the Nottepad.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 needs using special app. Proper anti-malware program should have high efficiency at scanning and be lightweight – in order to create no problems with usage even on weak PCs. In addition, it is better to have proactive security in your security solution – to prevent the virus even before it starts. Microsoft Defender does not have these elements for different factors. That’s why I’d advise you to use a third-party anti-malware program for that purpose. GridinSoft Anti-Malware is a superb option that fits all of the specified features.5

    Before the virus removal, it is important to boot your operating system into Safe Mode with Networking. Since Nottepad.exe miner consumes a lot of CPU capacity, it is needed to halt 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.

    Boot into Windows Safe Mode

    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.

    windows safe mode boot option with command prompt

    When your PC is in Safe Mode, all third-party apps, along with the majority of non-crucial system components, are not started with the system start. That gives you the ability to clean the system without dealing with high CPU usage of the coin miner.

    Remove Nottepad.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.

    GridinSoft Anti-Malware free trial

    After activating your free trial, start Full scan. It may last up to 10 minutes. You may use the PC as usual.

    Scanning in GridinSoft Anti-Malware

    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.

    GridinSoft Anti-Malware after the scan process

    Now, you are good to go. Reboot your PC into a normal Windows mode and use just as there was nothing malicious.

    Remove Nottepad.exe Virus ⛏️ Trojan Coin Miner

    Name: Nottepad.exe

    Description: The Nottepad.exe is a Trojan Coin Miner that uses the infected computer’s sources to mine electronic money without your authorization. This Nottepad.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

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    References

    1. Read about why Monero and DarkCoin are so popular amongst cybercriminals.
    2. Detailed explanation of how does cryptomining work.
    3. About unwanted effects for GPUs in the process of cryptomining.
    4. Read more about various malware type on Cybersecurity Glossary.
    5. Our review on GridinSoft Anti-Malware.

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    About the author

    Robert Bailey

    I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

    As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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