Bzminer Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Bzminer process is related to a malevolent application that can properly be identified as a coin miner trojan. That malware type utilizes your hardware to mine cryptocurrencies, basically – Monero or DarkCoin1. It makes your system roughly nonfunctional because of high CPU use.
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What is Bzminer process?

Bzminer is a malicious process created by coin miner virus

As I have actually pointed out earlier, Bzminer is a coin miner trojan. The names of the executive file can be different, however, the consequences are almost always the identical. Since coin miners aim at cryptocurrency mining, they utilize all available hardware capacity of your desktop to perform this operation. This virus does not pay attention to the fact that you probably want to use your desktop for other tasks – it will constantly take over 80% of your CPU power.

Bzminer Windows Process

Bzminer – Really high CPU as well as GPU use

Besides CPU consumption, some of the coin miners also make use of GPU power for their tasks. In that instance, you will struggle even to see the mouse arrow moving – GPU is often utilized on 100%. It is not as essential as processor for system work, so Bzminer coin miner viruses do not waste time on trifles and use all of it. It sometimes can cause bad effects.

Shortly about cryptocurrency mining

Crypto mining term means the activity of calculating the transaction block hash. That is a integral part of any project based on the blockchain technology. Since this action takes a lot of calculations, a very powerful 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 dozens of graphic cards to conduct their activity effectively. Such systems are not usable for “classic” purposes, like gaming or browsing the Web. Fraudsters 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 Bzminer miner?

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

    First off, Bzminer malware makes your system overloaded. It is not able to run your applications anymore, since all CPU power is consumed by a virus. That malware does not care for your necessities, all it pays attention to is generating profits on you. Even if you are patient, and you waited until web browser is open, you will likely experience exceptionally sluggish performance. Pages will open up for years, any sort of logins will likely take about a minute – just a nightmare for a person that does a job online.

    Bzminer Technical Summary.

    File NameBzminer
    TypeTrojan Coin Miner
    Detection NameTrojan:Win32/CoinMiner
    Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behaviorMypal.exe, Wavepad.exe, Runner.exe
    RemovalDownload and install GridinSoft Anti-Malware for automatic Bzminer removal.

    “Visible” damage is not a solitary unpleasant activity coin miners do to your personal computer. Bzminer coin miner additionally deals damage to your operating system. To perform all malevolent operations successfully, it ruins the security components 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 ton of new entries – they are brought in by this trojan miner to connect your computer to a malicious mining network. All these adjustments shall be thrown back to the initial state in the process of computer recovery.

    Hardware effects of coin miner activity

    Besides slowing down your computer, running at peak power for a long period of time can trigger damage to your device and increase electricity expenses. Hardware components are created to easily deal with high load, but they are good with it only when they are in a good shape.

    Compact and covered CPU cooling system is quite hard to damage. Meanwhile, GPUs have big and easy-to-access fans, which can be easily broke if touched while working, for instance, by the user much before the virus injection. Malfunctioning cooling system, together with the very high load caused by Bzminer miner can easily lead to graphic card failure3. Video cards are also prone to have increased wearing when used for cryptocurrency mining. It is likely a bad situation when the performance of your graphic card decreases on 20-30% just after several weeks of being exploited in such a way.

    How did I get Bzminer 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 common malicious programs through “severe” malware. Adware frequently serves as a carrier for Bzminer malware infiltration: it demonstrates you the banners, which contain a link to malware downloading. Yes, this abstract “malware” may belong to any kind – yet another adware, spyware, rogue or backdoor. However, the statistics show that around 30% of all malware spread through the malicious banners are coin miners – and Bzminer is right with them.4

    Unwanted banners adware

    The example of malicious banners you can see in the Internet

    One more way you could get this thing on your PC is by downloading it from the unreliable website as a part of a program. People who spread hacked variants of well-known programs (which do not demand the license key) have small chances to make money. For this reason, there is a very big lure to include malware to the final package of the hacked application and receive a coin for every setup. Prior to blaming these individuals for hacking and malware spreading, ask yourself – is it okay to avoid buying the program in such a way? It is much cheaper to pay $20-$30 one time than to pay a much bigger figure for antivirus software and new parts for your PC.

    How to remove the Bzminer 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 needs the use of special app. Proper security tool must have high performance at scanning and be lightweight – in order to make no problems with usage even on weak PCs. Furthermore, it is recommended to have on-run protection in your security tool – to stop the virus even before it starts. 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 objective. GridinSoft Anti-Malware is a perfect option that fits each of the specified qualities.5

    Before the virus removal, it is important to boot your system into Safe Mode with Networking. Since Bzminer miner takes a lot of CPU 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 applications, along with the majority of non-crucial operating system components, are not launched with the system start. That gives you the ability to clean the system without dealing with high processor usage of the coin miner.

    Remove Bzminer 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 Bzminer Virus ⛏️ Trojan Coin Miner

    Name: Bzminer

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