Udengr.exe Virus ⛏️ (Coin Miner Trojan) Removal

Written by Robert Bailey
Udengr.exe executable file is related to a harmful application that can correctly be defined as a coin miner virus. That malware form uses your PC components to mine cryptocurrencies, basically – Monero or DarkCoin1. It makes your computer pretty much unfunctional because of high CPU utilization.
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What is Udengr.exe process?

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

As I have mentioned before, Udengr.exe is a coin miner virus. The names of the .exe file may be diverse, but the impacts are almost always the same. Because coin miners aim at cryptocurrency mining, they utilize all possible hardware capacity of your personal computer to run this operation. This virus doesn’t take note of the fact that you may want to make use of your desktop for other activities – it will always use over 80% of your processor power.

Udengr.exe Windows Process

Udengr.exe – Extremely high CPU and GPU usage

Besides CPU consumption, some of the coin miners additionally utilize GPU power for their operations. In that situation, you will struggle even to see the mouse arrow moving – GPU is usually used on 100%. It is not as essential as CPU for system work, so Udengr.exe coin miner viruses do not waste time on trifles and use all of it. It often may result in bad results.

Shortly about cryptocurrency mining

Crypto mining is a term that means the activity of calculating the transaction block hash. That is a basic element of any project based on the blockchain technology. Since this action takes a lot of calculations, a high-end machine is needed. Exactly, the GPU is better for this purpose, because they have more cores available. Cryptomining farms are usually constructed of tens and hundreds of video cards to conduct their activity effectively. Such computer systems are not usable for “usual” purposes, like gaming or web browsing. Crooks 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

  • 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 Udengr.exe miner?

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

    Initially, Udengr.exe virus makes your PC overloaded. It is not able to run your applications anymore, as all processor power is consumed by a virus. That malware does not care for your necessities, all it focuses on is generating profits on you. Even if you are patient, and you waited until web browser is open, you will likely experience incredibly sluggish efficiency. Pages will open up for years, any sort of logins will take about a minute – just a headache for a person that works online.

    Udengr.exe Technical Summary.

    File NameUdengr.exe
    TypeTrojan Coin Miner
    Detection NameTrojan:Win32/CoinMiner
    Distribution MethodSoftware bundling, Intrusive advertisement, redirects to shady sites etc.
    Similar behaviorUploader.exe, Fcpaws.exe, Nwjs.exe
    RemovalDownload and install GridinSoft Anti-Malware for automatic Udengr.exe removal.

    “Visible” damage is not a solitary unpleasant thing coin miners perform to your personal computer. Udengr.exe coin miner additionally deals damage to your operating system. To carry out all malevolent operations effectively, it ruins the protection mechanisms 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 lot of new entries – they are added by this trojan miner to connect your computer to a malicious cryptomining network. All these adjustments are about to be gone back to the initial state in the process of PC recovery.

    Hardware effects of coin miner activity

    Besides decreasing your computer’s performance, performing at peak level for a long period of time may cause damage to your machine as well as raise power costs. PC elements are created to easily get along with high load, but they are good with it only in case when they are in a good shape.

    Small and well-protected processor cooling system is hard to damage. Meanwhile, GPUs have big and easy-to-access fans, which can be easily cracked if touched while running, for instance, by the user much before the malware injection. Malfunctioning cooling system, together with the very high load caused by Udengr.exe malware can easily lead to graphic card failure3. GPUs are also prone to have increased wearing when used for crypto mining. It is likely an undesirable case when your GPU’s performance decreases on 20-30% only after several weeks of being used in such a way.

    How did I get Udengr.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 malicious programs among “serious” malware. Adware sometimes functions as a carrier for Udengr.exe malware injection: it shows you the banners, which contain a link to malware downloading. Yes, this abstract “malware” can belong to any kind – an additional adware, spyware, rogue or backdoor. But the statistics say that about 30% of all viruses spread with the malevolent banners are coin miners – and Udengr.exe is just 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 computer is by downloading it from the untrustworthy web page 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 get paid. Thus, there is a very big lure to add malware to the final package of the hacked app and get a coin for each setup. Before criticizing these individuals for hacking and also malware spreading, ask yourself – is it okay to avoid purchasing the program in such a way? It is much cheaper to pay $20-$30 one time than to pay a much bigger sum for antivirus software as well as new parts for your computer.

    How to remove the Udengr.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 program. Proper antivirus must have high performance at scanning and be lightweight – in order to make no problems with utilization also on weak systems. Furthermore, it is better to have on-run protection in your security tool – to halt the virus even before it starts. Microsoft Defender lacks these elements for different factors. That’s why I’d recommend you to use a third-party anti-malware program for that objective. GridinSoft Anti-Malware is a superb choice that fits each of the discussed features.5

    Before the virus removal, it is important to boot your Windows into Safe Mode with Networking. Since Udengr.exe miner consumes a lot of CPU power, it is needed 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 system is in Safe Mode, all third-party programs, along with the majority of non-critical 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 Udengr.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 Udengr.exe Virus ⛏️ Trojan Coin Miner

    Name: Udengr.exe

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