What is Eo-core.exe process?

As I have mentioned in the previous paragraph, Eo-core.exe is a coin miner trojan virus. The names of the .exe file may be different, however, the consequences are generally the identical. Because coin miners focus on cryptocurrency mining, they use all possible hardware capacity of your PC to run this process. This malware does not care about the fact that you may need to use your desktop for other activities – it will constantly consume over 80% of your CPU power.

Eo-core.exe – Very high CPU as well as GPU use

Besides CPU usage, some of the coin miners also use GPU power for their tasks. In that situation, you will struggle even to see the mouse cursor moving – GPU is often used on 100%. It is not as critical as CPU for system work, so Eo-core.exe coin miner viruses do not waste time on trifles and utilize all of it. It sometimes can lead to bad effects.

Crypto mining term means the operation of calculating the transaction block hash. That is a basic part of anything based on the blockchain technology. Since this action takes a lot of calculations, a very strong machine is required. Exactly, the GPU is better for this task, because they have more cores available. Cryptomining farms are usually constructed of dozens of graphic cards to conduct their activity effectively. Such computer systems are not usable for “normal” purposes, like gaming or web browsing. Fraudsters who gain money 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

How dangerous is the Eo-core.exe miner?

Firstly, Eo-core.exe virus makes your computer overloaded. It is not able to run your applications anymore, because all CPU power is consumed by a virus. That malware does not care for your necessities, all it pays attention to is making money on you. Even if you are patient, and you waited until web browser is open, you will likely suffer from extremely sluggish performance. Pages will open for years, any sort of logins will likely take about a minute – just a horror story for a person that works online.

Eo-core.exe Technical Summary.

“Visible” damage is not a solitary unpleasant activity coin miners perform to your computer. Eo-core.exe coin miner additionally deals damage to your OS. To carry out all malevolent functions effectively, it wrecks the security features of your system. You will likely see your Microsoft Defender disabled – malware halts it to avoid detection. 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 reverted to the initial state in the process of PC recovery.

Hardware effects of coin miner activity

Besides making your PC slow, performing at peak level for long times can cause damage to your machine and increase electricity bills. Hardware components are created to easily get along with high load, but they can do so only when they are in a good shape.

Compact and well-protected CPU fan is quite hard to broke. Meanwhile, GPUs have large and easy-to-access rotors, which can be easily broke if touched while running, for example, by the user much before the virus injection. Malfunctioning cooling system, together with the really high load caused by Eo-core.exe malware can easily lead to graphic card failure³. Graphic cards are also tend to have fast wearing when used for cryptocurrency mining. It is likely a bad case when your GPU’s performance plunges 20-30% only after 1-2 weeks of being used in such a way.

How did I get Eo-core.exe coin miner virus?

Coin miners are one of the most prevalent malevolent programs among “serious” viruses. Adware sometimes acts as a carrier for Eo-core.exe malware injection: it demonstrates you the banners, which have a link to malware downloading. Sure, this abstract “malware” may belong to any type – an additional adware, spyware, rogue or backdoor. But the statistics show that approximately 30% of all malware spread with the malevolent banners are coin miners – and Eo-core.exe is right one of them.⁴

The example of malicious banners you can see in the Internet

An additional way you could get this item on your computer is by downloading it from the untrustworthy web page as a part of a program. People who spread hacked variants of favored programs (which do not need the license key) have small chances to get paid. Thus, there is a huge temptation to add in malware to the final package of the hacked app and get a coin for each setup. Prior to criticizing these individuals for hacking and malware distribution, ask yourself – is it OK to avoid buying the program in such a way? It is more affordable to pay $20-$30 at once than to pay a much bigger figure for antivirus software and new parts for your desktop.

How to remove the Eo-core.exe miner from my PC?

Getting rid of such a virus demands using special software. Proper security tool should have high efficiency at scanning and be lightweight – in order to create no problems with utilization also on weak systems. In addition, it is better to have on-run security in your security solution – to halt the virus even before it starts. Microsoft Defender does not have these elements for different factors. That’s why I’d advise you to use a third-party anti-malware program for that purpose. GridinSoft Anti-Malware is a great option that fits each of the mentioned qualities.⁵

Prior to the virus removal, it is important to reboot your Windows into Safe Mode with Networking. Since Eo-core.exe miner consumes a lot of CPU power, it is required 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.

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.

When your computer is in Safe Mode, all third-party programs, just like the majority of non-critical operating system components, are not started with the system start. That allows you to clean the PC without dealing with high CPU usage of the coin miner.

Remove Eo-core.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.

After activating your free trial, start Full scan. It may last up to 10 minutes. You may use the PC as usual.

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.

Now, you are good to go. Reboot your PC into a normal Windows mode and use just as there was nothing malicious.

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 GridinSoft Threat Encyclopedia.
5. Our review on GridinSoft Anti-Malware.

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