Sapisvr.exe Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Sapisvr.exe executable file is related to a malevolent program that can correctly be recognized as a coin miner trojan virus. That malware form utilizes your hardware to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your computer pretty much nonfunctional due to high CPU usage.
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What is Sapisvr.exe process?

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

As I have mentioned previously, Sapisvr.exe is a coin miner trojan virus. The names of the executive file can be different, but the impacts are generally the same. Since coin miners focus on cryptocurrency mining, they use all possible hardware power of your personal computer to run this operation. This virus doesn’t take note of the fact that you probably need to make use of your computer for other activities – it will continuously take over 80% of your CPU power.

Sapisvr.exe Windows Process

Sapisvr.exe – Extremely high CPU and GPU use

Besides CPU usage, some of the coin miners additionally use GPU power for their tasks. In that situation, you will struggle also to see the mouse arrow moving – GPU is usually used on 100%. It is not as vital as CPU for system work, so Sapisvr.exe coin miner viruses do not waste time on trifles and utilize it all. It sometimes may lead to unhappy effects.

Shortly about cryptocurrency mining

Crypto mining is a term that means the action of calculating the transaction block hash. That is a integral part of anything based on the blockchain technology. Since this operation takes a lot of calculations, a high-end desktop is needed. Exactly, the GPU is better for this purpose, because they have more cores available. Cryptocurrency mining farms are usually constructed of dozens of video cards to complete their task efficiently. Such systems are not usable for “usual” purposes, like gaming or browsing the Web. Crooks 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

  • 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 Sapisvr.exe miner?

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

    Initially, Sapisvr.exe malware makes your PC overloaded. It is unable to run your applications now, because all CPU power is used by a malware. That malware does not care for your demands, all it focuses on is making money on you. Even if you are patient, and you waited until web browser is open, you will likely struggle with extremely slow performance. Pages will open up for years, any sort of logins will take about a minute – just a horror story for a person that does a job online.

    Sapisvr.exe Technical Summary.

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

    “Visible” harm is not a single negative activity coin miners do to your personal computer. Sapisvr.exe coin miner likewise deals damage to your operating system. To perform all malevolent functions correctly, it ruins the security components of your system. You will likely see your Microsoft Defender disabled – malware stops it to avoid recognition. If you open the HOSTS file, you will likely see a load of new entries – they are added by this coin miner to connect your computer to a malicious mining network. All these adjustments shall be reverted to the original in the process of PC recovery.

    Hardware effects of coin miner activity

    Besides decreasing your computer’s performance, running at peak level for a long period of time may cause damage to your machine as well as increase electricity bills. PC components are created to easily get along with high load, but they are good with it only when they are in a good shape.

    Small and covered processor fan is quite hard to broke. Meanwhile, GPUs have large and easy-to-access fans, which can be easily broke if touched while spinning, for example, by the user much earlier before the virus injection. Malfunctioning cooling system, together with the very high load caused by Sapisvr.exe virus can easily lead to GPU failure3. Graphic cards are also tend to have very fast wearing when used for cryptocurrency mining. It is likely a bad case when your GPU’s performance plunges 20-30% just after several weeks of being exploited in such a way.

    How did I get Sapisvr.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 one of the most prevalent malevolent programs through “serious” viruses. Adware often serves as a carrier for Sapisvr.exe malware injection: it shows you the banners, which have a link to malware downloading. Sure, this abstract “malware” may belong to any kind – another adware, spyware, rogue or backdoor. However, the statistics show that about 30% of all malware spread with the malicious banners are coin miners – and Sapisvr.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 PC is by downloading it from the suspicious website as a part of a program. Users who spread hacked versions of well-known programs (which do not require the license key) have small chances to earn money. For this reason, there is a very big temptation to add in malware to the final package of the hacked app and acquire a coin for every installation. Before criticizing these individuals for hacking and malware distribution, ask yourself – is it OK to avoid buying the program in this manner? It is more affordable to pay $20-$30 one time than to pay a much greater sum for antivirus software as well as new parts for your computer.

    How to remove the Sapisvr.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 involves making use of specific app. Proper anti-malware program must have high efficiency at scanning and be lightweight – in order to create no problems with usage even on weak systems. Furthermore, it is better to have proactive protection in your protection solution – to stop the virus even before it starts. Microsoft Defender does not have these elements for various reasons. That’s why I’d recommend you to use a third-party anti-malware program for that goal. GridinSoft Anti-Malware is a great choice that fits all of the specified characteristics.5

    Before the malware removal, it is important to reboot your Windows into Safe Mode with Networking. Since Sapisvr.exe miner consumes a lot of CPU capacity, 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 PC is in Safe Mode, all third-party software, just like the majority of non-crucial operating system 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 Sapisvr.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 Sapisvr.exe Virus ⛏️ Trojan Coin Miner

    Name: Sapisvr.exe

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