Ogzhh.exe Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Ogzhh.exe executable file belongs to a harmful application that can correctly be recognized as a coin miner trojan virus. That malware form uses your hardware to mine cryptocurrencies, primarily – Monero or DarkCoin1. It makes your computer roughly unfunctional as a result of high CPU utilization.
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What is Ogzhh.exe process?

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

As I have actually pointed out in the previous paragraph, Ogzhh.exe is a coin miner virus. The names of the executive file can be diverse, but the impacts are almost always the same. Since coin miners focus on cryptocurrency mining, they use all available hardware capacity of your personal computer to perform this operation. This malware doesn’t care about the fact that you probably need to make use of your desktop for other tasks – it will always take over 80% of your CPU power.

Ogzhh.exe Windows Process

Ogzhh.exe – Really high CPU/GPU use

Besides CPU consumption, some of the coin miners also 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 essential as processor for system work, so Ogzhh.exe coin miner viruses don’t waste time on trifles and utilize all of it. It sometimes can cause sad consequences.

Shortly about cryptocurrency mining

Crypto mining means the activity of calculating the transaction block hash. That is a integral element of anything based on the blockchain technology. Since this action takes a lot of calculations, a high-end machine is required. Exactly, the graphic card is better for this task, because they have more cores available. Cryptocurrency mining farms are usually constructed of dozens of GPUs to complete their task efficiently. Such computer systems are not usable for “usual” purposes, like gaming or browsing the Web. Fraudsters who make profit via this coin miner use someones’ hardware 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 Ogzhh.exe miner?

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

    First, Ogzhh.exe malware makes your computer overloaded. It is unable to run your applications now, since all CPU power is used by a malware. That malware does not care for your needs, 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 struggle with incredibly sluggish performance. Pages can open up for years, any kind of logins will take about a minute – just a headache for a person who does a job online.

    Ogzhh.exe Technical Summary.

    File Name Ogzhh.exe
    Type Trojan Coin Miner
    Detection Name Trojan:Win32/CoinMiner
    Distribution Method Software bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behavior Viewndow.exe, Sword2.exe, Gui.exe
    Removal Download and install GridinSoft Anti-Malware for automatic Ogzhh.exe removal.

    “Visible” harm is not a single negative thing coin miners do to your personal computer. Ogzhh.exe coin miner additionally deals damage to your OS. To complete all malevolent functions properly, it wrecks the security features of your system. You will likely see your Microsoft Defender disabled – malware stops it to prevent detection. If you check the HOSTS file, you will likely see a lot of new notes – they are added by this trojan miner to connect your computer to a malicious mining network. All these adjustments shall be gone back to the initial state in the process of PC recovery.

    Hardware effects of coin miner activity

    Besides making your PC slow, running at peak level for a long period of time may cause damage to your machine and increase electricity bills. Hardware components are created to easily deal with high load, but they can do so only in case when they are in a good shape.

    Little and covered processor cooling system is hard to broke. Meanwhile, graphic cards have big and easy-to-access rotors, which can be easily broke if affected while working, for example, by the user much before the coin-miner injection. Malfunctioning cooling system, together with the very high load caused by Ogzhh.exe virus can easily lead to graphic processing unit failure3. GPUs are also prone to have increased wearing when utilized for crypto mining. It is surely an undesirable situation when the performance of your graphic card decreases on 20-30% only after several weeks of being exploited in such a way.

    How did I get Ogzhh.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 among “major” malware. Adware frequently functions as a carrier for Ogzhh.exe malware infiltration: it shows you the banners, which contain a link to malware downloading. Sure, this abstract “malware” may belong to any kind – an additional adware, spyware, rogue or backdoor. However, the statistics say that about 30% of all malware spread through the malicious banners are coin miners – and Ogzhh.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 item on your PC is by downloading it from the dubious website as a part of a program. Users that spread hacked versions of favored programs (which do not demand the license key) have small chances to make 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 setup. Prior to criticizing these people for hacking and also 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 software as well as new parts for your PC.

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

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

    Eliminating such a virus requires using special tool. Appropriate security tool should have high capability at scanning and also be lightweight – in order to make no problems with utilization also on weak computers. In addition, it is better to have proactive security in your security tool – to halt the virus even before it launches. Microsoft Defender lacks these functions for different reasons. That’s why I’d recommend you to use a third-party anti-malware program for that goal. GridinSoft Anti-Malware is a superb option that fits each of the mentioned qualities.5

    Before the virus removal, it is important to boot your system into Safe Mode with Networking. Since Ogzhh.exe miner consumes 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-critical system components, are not started with the system start. That allows you to clean the computer without dealing with high processor usage of the coin miner.

    Remove Ogzhh.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 Ogzhh.exe Virus ⛏️ Trojan Coin Miner

    Name: Ogzhh.exe

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