Rcu64 Virus (Coin Miner Trojan) Removal

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.

What is Rcu64 process?

Rcu64 is a malicious process created by coin miner virus
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

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 Name Rcu64
    Type Trojan Coin Miner
    Detection Name Trojan:Win32/CoinMiner
    Distribution Method Software bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behavior Msetup.exe, Micro.exe, Zsd.exe
    Removal Download 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
    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

    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.

    References

    1. Read about why Monero and DarkCoin are so popular amongst cybercriminals.
    2. About unwanted effects for GPUs in the process of cryptomining.

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    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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