PUAMiner:Win64/CpuMulti Miner Virus (CpuMulti Removal)

Written by Wilbur Woodham

The PUAMiner:Win64/CpuMulti detection means that your PC has a problem. Giving it a go may end up with really bad consequences. CpuMulti can make your system slower, and even lead to hardware malfunction.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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PUAMiner:Win64/CpuMulti Detection Overview

The PUAMiner:Win64/CpuMulti detection you can see in the lower right corner is demonstrated to you by Microsoft Defender. That anti-malware application is good at scanning, but prone to be mainly unreliable. It is unprotected to malware attacks, it has a glitchy user interface and bugged malware removal capabilities. Therefore, the pop-up which says concerning the CpuMulti is simply a notification that Defender has detected it. To remove it, you will likely need to use another anti-malware program.

PUAMiner:Win64/CpuMulti found

Microsoft Defender: “PUAMiner:Win64/CpuMulti”

The exact PUAMiner:Win64/CpuMulti virus is a really unpleasant thing. It uses your CPU and GPU to mine cryptocurrencies. This procedure needs a great computing power, and is generally conducted on specialized system configurations – so-called mining systems. Carrying out this job on an ordinary PC results in the inability even to start the internet browser. High CPU load – almost 80-90% – is among the typical symptoms of coin miner activity. System overloading result in a lot faster hardware wear, as well as potential malfunction of some of the components.

Coin Miner Summary:

Name CpuMulti Miner
Detection PUAMiner:Win64/CpuMulti
Damage Exploits your hardware to mine cryptocurrencies without your permission.
Fix Tool See If Your System Has Been Affected by CpuMulti Miner

Shortly about cryptocurrency mining

Lots of people think about crypto mining simply as a way of producing new coins. Crypto mining, however, additionally involves validating cryptocurrency operations on a blockchain network and adding them to a distributed journal. Most notably, crypto mining stops the double-spending of digital currency on a distributed network. Since distributed journals lack a centralized authority, the mining procedure is important for validating deals. Miners are, for that reason, incentivized to secure the network by participating in the operation verification procedure that boosts their chances of winning newly minted coins1.

Is PUAMiner:Win64/CpuMulti dangerous?

As I have stated previously, non-harmful malware does not exist. And PUAMiner:Win64/CpuMulti is not an exception. CpuMulti virus will certainly make your system slow, and likewise it will set your hardware at a risk. When it performs at such a high load, it can be affected because of overheating. Additionally, GPU wear out in the process of mining is several percent each week2. Giving the miner the option to work is not just about shedding the ability to operate as usual. This malware literally “thieves” the lifespan of your hardware.

Furthermore, several of the modern-day coin miner variations include spyware within. It is able not only to mine cryptocurrencies on your computer but additionally to grab all information about you and your system. And there is no chance to realise if the miner you have has an included spyware. The fact that NAME was found undoubtedly points out that you need to remove it immediately.

Remove CpuMulti with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Miners as shown from our tests with the software, and we assure you that it can remove CpuMulti as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.


3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for CpuMulti Miners

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The CpuMulti was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The CpuMulti has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “CpuMulti” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching CpuMulti Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching CpuMulti Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing CpuMulti and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

What is PUAMiner:Win64/CpuMulti Virus?

Name: PUAMiner:Win64/CpuMulti

Description: If you have seen a message showing the “PUAMiner:Win64/CpuMulti found”, it seems that your system is in trouble. The CpuMulti virus was detected, but to remove it, you need to use a security tool. Windows Defender, which has shown you this message, has detected the malware. However, Defender is not a reliable thing - it is prone to malfunction when it comes to malware removal. Getting the PUAMiner:Win64/CpuMulti malware on your PC is an unpleasant thing, and removing it as soon as possible must be your primary task.

Operating System: Windows

Application Category: Miner

User Review
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  1. Read more about cryptocurrency mining.
  2. Cryptocurrency mining wears you GPU pretty fast – the real-world tests approve that fact.

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About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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