Rcu64 Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Rcu64 process is related to a malevolent application that can accurately be defined as a coin miner trojan. That malware form utilizes your hardware to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your computer roughly unfunctional as a result of high CPU utilization.
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What is Rcu64 process?

Rcu64 is a malicious process created by coin miner virus

As I have pointed out previously, Rcu64 is a coin miner trojan virus. The names of the .exe file may be diverse, however, the effects are generally the same. Since coin miners focus on cryptocurrency mining, they utilize all available hardware power of your desktop to run this procedure. This malware doesn’t care about the fact that you probably need to make use of your system for other tasks – it will constantly consume over 80% of your CPU power.

Rcu64 Windows Process

Rcu64 – Really high CPU and GPU use

Besides CPU usage, some of the coin miners additionally utilize GPU power for their operations. In that instance, you will likely struggle even to see the mouse cursor moving – GPU is often used on 100%. It is not as essential as CPU for system work, so Rcu64 coin miner viruses do not waste time on trifles and use all of it. It sometimes may result in sad effects.

Shortly about cryptocurrency mining

Crypto mining term means the activity of calculating the transaction block hash. That is a basic part of anything based on the blockchain technology. Since this operation takes a lot of calculations, a high-end PC is required. Exactly, the GPU is better for this purpose, because they have more cores available. Cryptomining farms are usually constructed of tens and hundreds of graphic cards to conduct their activity effectively. Such systems are not usable for “normal” purposes, like gaming or web browsing. Crooks who make profit 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 Rcu64 miner?

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

    Firstly, Rcu64 malware makes your system overloaded. It is unable to run your applications now, since all CPU power is used by a malware. That malware does not care for your wants, all it pays attention to is generating profits on you. Even if you are patient, and you waited until browser is open, you will likely suffer from extremely slow performance. 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.

    Rcu64 Technical Summary.

    File NameRcu64
    TypeTrojan Coin Miner
    Detection NameTrojan:Win32/CoinMiner
    Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behaviorMsetup.exe, Micro.exe, Zsd.exe
    RemovalDownload and install GridinSoft Anti-Malware for automatic Rcu64 removal.

    “Visible” harm is not a single unpleasant thing coin miners perform to your computer. Rcu64 coin miner additionally deals damage to your OS. To conduct all malicious operations successfully, it wrecks the protection features of your system. You will likely see your Microsoft Defender disabled – malware halts it to prevent detection. If you check the HOSTS file, you will likely see a lot of new notes – 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 system recovery.

    Hardware effects of coin miner activity

    Besides slowing down your computer, running at peak power for a long period of time may trigger damage to your machine and raise power costs. PC elements are designed to easily get along with high load, but they can do so only in case when they are in a good shape.

    Compact and covered processor fan is hard to crack. Meanwhile, graphic cards have large and easy-to-access fans, which can be easily broke if touched while spinning, for instance, by the user much earlier before the malware injection. Malfunctioning cooling system, together with the very high load caused by Rcu64 can easily lead to GPU failure3. GPUs are also tend to have fast wearing when utilized for crypto mining. It is likely an undesirable case when the performance of your graphic card decreases on 20-30% just after 1-2 weeks of being exploited in such a way.

    How did I get Rcu64 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 common malicious programs through “major” malware. Adware sometimes functions as a carrier for Rcu64 malware infiltration: it demonstrates 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. However, the statistics show that around 30% of all viruses spread with the malicious banners are coin miners – and Rcu64 is just one of them.4

    Unwanted banners adware

    The example of malicious banners you can see in the Internet

    Another way you could get this thing on your PC is by downloading it from the untrustworthy website 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 earn money. Therefore, there is a very big lure to add malware to the final package of the hacked application and receive a coin for every installation. Before blaming these individuals for hacking and malware distribution, ask yourself – is it OK to avoid purchasing the program in such a way? It is more affordable to pay $20-$30 at once than to pay a much greater sum for antivirus software as well as new parts for your PC.

    How to remove the Rcu64 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 specific software. Effective antivirus should have high capability at scanning and also be lightweight – in order to create no problems with usage even on weak computers. In addition, it is better to have on-run security in your protection solution – to prevent the virus even before it starts. Microsoft Defender does not have these functions for different reasons. That’s why I’d suggest you to use a third-party anti-malware program for that goal. GridinSoft Anti-Malware is a superb option that fits all of the discussed features.5

    Prior to the virus removal, it is important to reboot your operating system into Safe Mode with Networking. Since Rcu64 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.

    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 system is in Safe Mode, all third-party applications, just like the majority of non-crucial system components, are not started with the system start. That allows you to clean the PC without dealing with high processor usage of the coin miner.

    Remove Rcu64 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 Rcu64 Virus ⛏️ Trojan Coin Miner

    Name: Rcu64

    Description: The Rcu64 is a Trojan Coin Miner that uses the infected computer’s sources to mine electronic money without your authorization. This Rcu64 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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