Filesynchelper.exe Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Filesynchelper.exe process is related to a harmful program that can properly be recognized as a coin miner trojan virus. That malware type utilizes your PC components to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your computer almost unusable due to high CPU utilization.
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What is Filesynchelper.exe process?

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

As I have mentioned earlier, Filesynchelper.exe is a coin miner trojan. The names of the executive file can be different, but the consequences are almost always the same. Considering that coin miners aim at cryptocurrency mining, they use all possible hardware capacity of your desktop to conduct this process. This malware doesn’t pay attention to the fact that you may need to use your device for other tasks – it will constantly consume over 80% of your processor power.

Filesynchelper.exe Windows Process

Filesynchelper.exe – Very high CPU and GPU usage

Besides CPU consumption, some of the coin miners additionally make use of GPU power for their tasks. In that situation, you will struggle also to see the mouse arrow moving – GPU is often used on 100%. It is not as crucial as CPU for system work, so Filesynchelper.exe coin miner viruses don’t waste time on trifles and utilize all of it. It sometimes may cause bad results.

Shortly about cryptocurrency mining

Cryptocurrency mining means the operation of calculating the transaction block hash. That is a integral element of any project based on the blockchain technology. Since this action takes a lot of calculations, a strong PC is needed. Exactly, the video card 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 “usual” purposes, like gaming or browsing the Web. Fraudsters 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

  • Your device overheats (system unit/laptop body is very hot)
  • You are not able to open your apps or they are opening for ages
  • Unknown process is running in the background and consumes your PC resources
  • Windows Defender does not respond
  • How dangerous is the Filesynchelper.exe miner?

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

    First, Filesynchelper.exe virus makes your computer overloaded. It is not able to run your applications now, since all CPU power is used by a virus. That malware does not care for your necessities, all it focuses on is generating income on you. Even if you are patient, and you waited until web browser is open, you will likely suffer from exceptionally slow efficiency. Pages can open up for years, any type of logins will likely take about a minute – just a nightmare for a person that works online.

    Filesynchelper.exe Technical Summary.

    File NameFilesynchelper.exe
    TypeTrojan Coin Miner
    Detection NameTrojan:Win32/CoinMiner
    Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behaviorElevoccontrolservice.exe, Intelaudioservice.exe, Esif_uf.exe
    RemovalDownload and install GridinSoft Anti-Malware for automatic Filesynchelper.exe removal.

    “Visible” harm is not a solitary bad thing coin miners do to your computer. Filesynchelper.exe coin miner also deals damage to your operating system. To execute all malicious operations successfully, it ruins the protection features of your system. You will likely see your Microsoft Defender disabled – malware halts it to avoid recognition. If you check the HOSTS file, you will likely see a lot of new entries – they are added by this trojan miner to connect your system to a malicious cryptomining network. All these adjustments shall be thrown back to the initial state in the process of system recovery.

    Hardware effects of coin miner activity

    Besides making your computer slow, performing at peak power for long times may cause damage to your device and raise electricity costs. Hardware elements are designed to easily deal with high load, but they are good with it only when they are in a good shape.

    Tiny and well-protected CPU fan is quite hard to crack. Meanwhile, GPUs have big and easy-to-access rotors, which can be easily broke if affected while spinning, for example, by the user much earlier before the virus injection. Malfunctioning cooling system, together with the really high load caused by Filesynchelper.exe miner can easily lead to graphic processing unit failure3. Video cards are also prone to have fast wearing when utilized for crypto mining. It is surely an undesirable situation when the performance of your graphic card decreases on 20-30% just after several weeks of being used in such a way.

    How did I get Filesynchelper.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 malevolent programs among “severe” viruses. Adware often acts as a carrier for Filesynchelper.exe malware injection: it demonstrates you the banners, which contain a link to malware downloading. Sure, this abstract “malware” can belong to any kind – another adware, spyware, rogue or backdoor. However, the statistics show that approximately 30% of all malware spread with the malicious banners are coin miners – and Filesynchelper.exe is just among them.4

    Unwanted banners adware

    The example of malicious banners you can see in the Internet

    One more way you could get this item on your PC is by downloading it from the suspicious web page as a part of a program. People that spread hacked versions of well-known programs (which do not demand the license key) have small chances to earn money. Hence, there is a huge temptation to include malware to the final package of the hacked app and receive a coin for every setup. Before blaming these individuals for hacking and malware distribution, ask yourself – is it alright to avoid purchasing the program in such a way? It is much cheaper to pay $20-$30 at once than to pay a much greater sum for antivirus program and new parts for your PC.

    How to remove the Filesynchelper.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 demands the use of specific software. Proper anti-malware program should have high performance at scanning and be lightweight – in order to create no problems with usage also on weak PCs. Additionally, it is recommended to have proactive protection in your protection solution – to stop the virus even before it launches. Microsoft Defender does not have these features for different factors. That’s why I’d recommend you to use a third-party anti-malware program for that reason. GridinSoft Anti-Malware is a superb choice that fits all of the mentioned features.5

    Before the virus removal, it is important to boot your operating system into Safe Mode with Networking. Since Filesynchelper.exe miner consumes a lot of processor 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 computer is in Safe Mode, all third-party apps, along with the majority of non-crucial operating system 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 Filesynchelper.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 Filesynchelper.exe Virus ⛏️ Trojan Coin Miner

    Name: Filesynchelper.exe

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