Cthkctrl.exe Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Cthkctrl.exe executable file is related to a harmful program that can accurately be identified as a coin miner trojan. That malware form uses your PC components to mine cryptocurrencies, generally – Monero or DarkCoin1. It makes your system roughly nonfunctional due to high CPU usage.
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What is Cthkctrl.exe process?

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

As I have actually mentioned earlier, Cthkctrl.exe is a coin miner trojan virus. The names of the .exe file can be diverse, however, the impacts are usually the same. Considering that coin miners focus on cryptocurrency mining, they use all available hardware capacity of your desktop to conduct this procedure. This virus doesn’t take note of the fact that you probably need to make use of your computer for other tasks – it will consistently take over 80% of your CPU power.

Cthkctrl.exe Windows Process

Cthkctrl.exe – Very high CPU and GPU usage

Besides CPU utilization, some of the coin miners also utilize GPU power for their tasks. In that case, you will struggle even to see the mouse arrow moving – GPU is often used on 100%. It is not as vital as CPU for system work, so Cthkctrl.exe coin miner viruses don’t waste time on trifles and use all of it. It sometimes may result in unhappy consequences.

Shortly about cryptocurrency mining

Cryptocurrency mining means the action of calculating the transaction block hash. That is a basic element of anything based on the blockchain technology. Since this action takes a lot of calculations, a very powerful computer is needed. Exactly, the GPU is better for this task, because they have more cores available. Cryptocurrency mining farms usually consist of dozens of graphic cards to complete their task efficiently. Such systems are not usable for “classic” purposes, like gaming or browsing the Web. 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

  • Microsoft Defender is stopped;
  • CPU and GPU is loaded at 80-90% exactly after the system start
  • Cooling fans are running at high speed and create a lot of noise
  • A single process in Task Manager consumes all CPU and GPU power
  • How dangerous is the Cthkctrl.exe miner?

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

    Initially, Cthkctrl.exe virus makes your computer overloaded. It is unable to run your applications now, since all CPU power is used by a virus. That malware does not care for your needs, all it pays attention to is generating income on you. Even if you are patient, and you waited until web browser is open, you will likely struggle with extremely slow efficiency. Pages can open for years, any type of logins will take about a minute – just a headache for a person that works online.

    Cthkctrl.exe Technical Summary.

    File NameCthkctrl.exe
    TypeTrojan Coin Miner
    Detection NameTrojan:Win32/CoinMiner
    Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behaviorScantopcactivationapp.exe, Cthelper.exe, Ccleaner64.exe
    RemovalDownload and install GridinSoft Anti-Malware for automatic Cthkctrl.exe removal.

    “Visible” harm is not a single bad activity coin miners perform to your PC. Cthkctrl.exe coin miner also deals damage to your operating system. To execute all malicious operations successfully, it wrecks the protection features 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 lot of new notes – they are brought in by this trojan miner to connect your computer to a malicious cryptomining network. All these adjustments shall be gone 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 a long period of time can trigger damage to your machine as well as increase power bills. Hardware components are created to easily get along with high load, but they are good with it only in case when they are in a good shape.

    Tiny and covered processor cooling system is quite hard to damage. Meanwhile, graphic cards have big and easy-to-access rotors, which can be easily broke if touched while working, for example, by the user much earlier before the coin-miner injection. Malfunctioning cooling system, together with the extremely high load caused by Cthkctrl.exe malware can easily lead to GPU failure3. GPUs are also tend to have increased wearing when utilized for cryptocurrency mining. It is surely an unwanted situation when the performance of your graphic card plunges 20-30% only after 1-2 weeks of being exploited in such a way.

    How did I get Cthkctrl.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 malicious programs among “major” malware. Adware frequently works as a carrier for Cthkctrl.exe malware infiltration: it shows you the banners, which contain a link to malware downloading. Yes, this abstract “malware” can belong to any type – another adware, spyware, rogue or backdoor. But the statistics say that approximately 30% of all malware spread with the malicious banners are coin miners – and Cthkctrl.exe is just with 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 unreliable site as a part of a program. Users that spread hacked versions of favored programs (which do not need the license key) have small chances to get paid. Thus, there is a huge lure to add in malware to the final package of the hacked app and get a coin for every installation. Prior to criticizing these guys for hacking and malware spreading, ask yourself – is it alright to avoid buying the program in this manner? It is much cheaper to pay $20-$30 one time than to pay a much greater figure for antivirus software as well as new parts for your desktop.

    How to remove the Cthkctrl.exe miner from my PC?

    The best way to get rid of this coin miner virus is to use anti-malware software

    Eliminating such a virus requires using special app. Proper anti-malware program must have high capability at scanning and also be lightweight – in order to create no problems with utilization also on weak PCs. On top of that, it is better to have on-run protection in your protection solution – to halt the virus even before it launches. Microsoft Defender lacks these elements for different reasons. That’s why I’d advise you to use a third-party anti-malware program for that purpose. GridinSoft Anti-Malware is a great option that fits all of the discussed features.5

    Before the virus removal, it is important to reboot your Windows into Safe Mode with Networking. Since Cthkctrl.exe miner consumes a lot of CPU power, 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 system is in Safe Mode, all third-party applications, along with the majority of non-crucial Windows components, are not started with the system start. That allows you to clean the computer without dealing with high CPU usage of the coin miner.

    Remove Cthkctrl.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 Cthkctrl.exe Virus ⛏️ Trojan Coin Miner

    Name: Cthkctrl.exe

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