Fluorosulfonic.exe Virus (Coin Miner Trojan) Removal

Fluorosulfonic.exe executable file belongs to a malicious application that can accurately be recognized as a coin miner virus. That malware type utilizes your hardware to mine cryptocurrencies, basically – Monero or DarkCoin1. It makes your system almost nonfunctional due to high CPU utilization.

What is Fluorosulfonic.exe process?

Fluorosulfonic.exe is a malicious process created by coin miner virus
Fluorosulfonic.exe Windows Process

Fluorosulfonic.exe – Extremely high CPU/GPU use

Besides CPU utilization, some of the coin miners also utilize GPU power for their tasks. In that case, you will probably struggle even to see the mouse cursor moving – GPU is usually used on 100%. It is not as critical as CPU for system work, so Fluorosulfonic.exe coin miner viruses do not waste time on trifles and utilize all of it. It often can lead to unhappy consequences.

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 Fluorosulfonic.exe miner?

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

    First, Fluorosulfonic.exe malware makes your system overloaded. It is not able to run your applications now, since all processor power is used by a malware. That malware does not care for your wants, all it pays attention to is making money on you. Even if you are patient, and you waited until browser is open, you will likely suffer from incredibly slow efficiency. Pages will open up for years, any kind of logins will likely take about a minute – just a headache for a person that does a job online.

    Fluorosulfonic.exe Technical Summary.

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

    “Visible” harm is not a single negative activity coin miners perform to your system. Fluorosulfonic.exe coin miner likewise deals damage to your operating system. To complete all malicious operations effectively, it ruins the protection features of your system. You will likely see your Microsoft Defender disabled – malware halts it to avoid recognition. If you open 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 changes shall be thrown back to the initial state in the process of PC recovery.

    Hardware effects of coin miner activity

    Besides slowing down your computer, running at peak level for long times can cause damage to your device and increase electricity expenses. PC components are created to easily deal with high load, but they can do so only when they are in a good shape.

    Compact and well-protected processor fan is not very easy to damage. Meanwhile, graphic cards have large and easy-to-access fans, which can be easily cracked if touched while running, for example, by the user much earlier before the malware injection. Malfunctioning cooling system, together with the unusually high load caused by Fluorosulfonic.exe virus can easily lead to GPU failure3. Video cards are also tend to have increased wearing when utilized for cryptocurrency mining. It is surely a bad situation when the performance of your video card plunges 20-30% just after several weeks of being used in such a way.

    How did I get Fluorosulfonic.exe 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

    One more way you could get this item on your PC is by downloading it from the dubious site as a part of a program. Users that spread hacked variants 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 malware to the final package of the hacked app and get a coin for every setup. Before criticizing these individuals for hacking and malware distribution, ask yourself – is it alright 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 and new parts for your desktop.

    How to remove the Fluorosulfonic.exe 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-critical operating system components, are not launched with the system start. That allows you to clean the PC without dealing with high CPU 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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