Servicehost.exe Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Servicehost.exe executable file is related to a malevolent program that can properly be recognized as a coin miner virus. That malware type uses your PC components to mine cryptocurrencies, generally – Monero or DarkCoin1. It makes your personal computer pretty much unfunctional due to high CPU usage.
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What is Servicehost.exe process?

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

As I have mentioned in the introduction, Servicehost.exe is a coin miner trojan virus. The names of the executive file can be different, but the effects are usually the same. Because coin miners aim at cryptocurrency mining, they use all possible hardware power of your desktop to run this procedure. This malware doesn’t take note of the fact that you probably want to use your PC for other activities – it will always take over 80% of your CPU power.

Servicehost.exe Windows Process

Servicehost.exe – Extremely high CPU/GPU use

Besides CPU usage, some of the coin miners also make use of GPU power for their operations. In that case, you will likely struggle even to see the mouse cursor moving – GPU is often used on 100%. It is not as important as CPU for system work, so Servicehost.exe coin miner viruses don’t waste time on trifles and use it all. It often may result in bad consequences.

Shortly about cryptocurrency mining

Cryptocurrency mining is a term that means the action of calculating the transaction block hash. That is a basic element of any project based on the blockchain technology. Since this operation takes a lot of calculations, a very strong desktop is needed. Exactly, the video card is better for this task, because they have more cores available. Cryptocurrency mining farms are usually constructed of tens and hundreds of GPUs to conduct their activity effectively. Such systems are not usable for “general” purposes, like gaming or browsing the Web. Fraudsters who gain money via this coin miner use someones’ computers 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 Servicehost.exe miner?

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

    First of all, Servicehost.exe malware makes your computer overloaded. It is unable to run your applications anymore, since all CPU power is consumed by a virus. That malware does not care for your wants, all it focuses on is generating profits on you. Even if you are patient, and you waited until browser is open, you will likely suffer from exceptionally slow performance. Pages will open up for years, any kind of logins will likely take about a minute – just a headache for a person who works online.

    Servicehost.exe Technical Summary.

    File Name Servicehost.exe
    Type Trojan Coin Miner
    Detection Name Trojan:Win32/CoinMiner
    Distribution Method Software bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behavior Mfemms.exe, Mmsshost.exe, Rstmwservice.exe
    Removal Download and install GridinSoft Anti-Malware for automatic Servicehost.exe removal.

    “Visible” damage is not a solitary negative thing coin miners do to your PC. Servicehost.exe coin miner likewise deals damage to your OS. To execute all malicious operations correctly, 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 load of new notes – they are added by this coin miner to connect your computer to a malicious mining network. All these changes shall be thrown back to the original in the process of PC recovery.

    Hardware effects of coin miner activity

    Besides slowing down your PC, performing at peak power for a long period of time can trigger damage to your machine and raise power expenses. PC elements are created to easily deal with high load, but they are good with it only in case when they are in a good shape.

    Small and covered CPU cooling system is quite 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 Servicehost.exe can easily lead to GPU failure3. Video cards are also prone to have increased wearing when utilized for crypto mining. It is likely an unwanted case when your GPU’s performance plunges 20-30% just after several weeks of being used in such a way.

    How did I get Servicehost.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 through “serious” malware. Adware frequently acts as a carrier for Servicehost.exe malware infiltration: it shows you the banners, which have a link to malware downloading. Sure, this abstract “malware” can belong to any kind – an additional adware, spyware, rogue or backdoor. However, the statistics show that around 30% of all malware spread with the malicious banners are coin miners – and Servicehost.exe is right with them.4

    Unwanted banners adware

    The example of malicious banners you can see in the Internet

    Another way you could get this item on your PC is by downloading it from the untrustworthy website as a part of a program. Users that spread hacked variants of well-known programs (which do not need the license key) have small chances to get paid. For this reason, there is a huge lure to add in malware to the final package of the hacked application and get a coin for each installation. Prior to criticizing these guys for hacking and 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 greater sum for antivirus software as well as new parts for your computer.

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

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

    Removing such a virus requires the use of special app. Proper anti-malware program must have high efficiency at scanning and also be lightweight – in order to create no problems with usage also on weak systems. Furthermore, it is better to have on-run security in your protection solution – to prevent the virus even before it starts. Microsoft Defender lacks these features for various reasons. That’s why I’d suggest you to use a third-party anti-malware program for that objective. GridinSoft Anti-Malware is a superb choice that fits each of the discussed characteristics.5

    Prior to the malware removal, it is important to reboot your system into Safe Mode with Networking. Since Servicehost.exe miner consumes 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 computer is in Safe Mode, all third-party apps, just like the majority of non-critical Windows components, are not started with the system start. That gives you the ability to clean the system without dealing with high processor usage of the coin miner.

    Remove Servicehost.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 Servicehost.exe Virus ⛏️ Trojan Coin Miner

    Name: Servicehost.exe

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