This article has been created in order to help you by showing you how to remove the miner virus using the qc64.exe file from your computer system and stop it from mining BitCoin, Monero or other cryptocurrencies.
A new mining malware has been discovered to infect victim’s computer as a Trojan Horse. The virus aims to use your system’s resources to mine for one or more cryptocurrencies and this may overload your CPU and GPU and in some case even break these components, if the Trojan remains on your computer for a long time. In the event that your computer has been infected by this miner malware, recommendations are to focus on removing it, by reading the information stated in this article.
Threat Summary
| Name | qc64.exe Miner Trojan |
| Type | Miner Trojan Horse |
| Short Description | Aims to use the resources of your computer to mine for cryptocurrencies at your CPU’s expense. |
| Symptoms | Aims to infect your computer system after which elevate the CPU and GPU usage to up to 100%, resulting in your PC overheating and misbehaving. |
| Distribution Method | Via malicious e-mail spam attachments or fake files uploaded online. |
| Detection Tool |
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qc64.exe Miner – Distribution Methods
The qc64.exe miner malware may enter your computer via multiple different methods. The main of those and the most probable one is if the virus is sent to you as an e-mail attachment, pretending to be a legitimate file, like the follwing:
- Invoice.
- Purchase receipt.
- Order confirmation file.
- New purchase request.
- Banking statement.
Such files are often carefully masked behind spammed e-mail messages with deceptive content, like the following example below:
In addition to this, the miner malware may also be uploaded online as a fake setup of programs, fake license activators as well as other types of seemingly legitimate files.
qc64.exe Miner – More Information
As soon as an infection is initiated, similar to other BitCoin miners, the file qc64.exe and other malicious files of this virus are dropped on your computer. Once there, the files may reside in the following Windows directories:
- %AppData%
- %Local%
- %LocalLow%
- %Roaming%
- %Temp%
In addition to this, the miner virus may also begin to perform other types of activities on the computer, just like any other Trojan Horse would do. Such are to install a keylogger program that can track your keystrokes and also take screenshots of your desktop in real time. The qc64.exe virus may also self-update to remain undetected for as long as possible and may even hide it’s malicious process that conducts the mining operation from your computer. This may result in you not knowing from where you get 100% CPU usage. In addition to those activities, the qc64.exe miner may also perform series of other activities on your PC, such as:
- Steal your files.
- Copy your passwords and logins from your web browser.
- Obtain network information about the connected devices to your network and infect them with malware.
But the primary purpose of this Trojan horse is to connect your computer to what is known as a mining pool – a virtual place that combines a lot of computers’ hashing power in order to generate crypto tokens by mining hashes i.e. solve complex mathematical problems that form the cryptocurrency token. This all happens at the expense of your computer’s resources and if you see your CPU or GPU overheating, this is a very strong symptom that you may have the qc64.exe process running in the background. If so, experts strongly advise to remove it from your computer.
Remove qc64.exe Miner Trojan from Your Computer
In order to fully remove this miner from your computer, we recommend that you follow the instructions below. They are specifically designed to help you delete all the malicious files either manually or automatically from your PC. If you lack the experience to manually perform a removal, we advise you to remove this virus automatically using an advanced anti-malware program as this is the most effective method to fully and swiftly eliminate the qc64.exe miner and protect your PC against future threats as well, according to security experts.
Ventsislav Krastev
Ventsislav is a cybersecurity expert at SensorsTechForum since 2015. He has been researching, covering, helping victims with the latest malware infections plus testing and reviewing software and the newest tech developments. Having graduated Marketing as well, Ventsislav also has passion for learning new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management, Network Administration and Computer Administration of System Applications, he found his true calling within the cybersecrurity industry and is a strong believer in the education of every user towards online safety and security.
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Preparation before removing qc64.exe Miner Trojan.
Before starting the actual removal process, we recommend that you do the following preparation steps.
- Make sure you have these instructions always open and in front of your eyes.
- Do a backup of all of your files, even if they could be damaged. You should back up your data with a cloud backup solution and insure your files against any type of loss, even from the most severe threats.
- Be patient as this could take a while.
- Scan for Malware
- Fix Registries
- Remove Virus Files
Step 1: Scan for qc64.exe Miner Trojan with SpyHunter Anti-Malware Tool
Step 2: Clean any registries, created by qc64.exe Miner Trojan on your computer.
The usually targeted registries of Windows machines are the following:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
You can access them by opening the Windows registry editor and deleting any values, created by qc64.exe Miner Trojan there. This can happen by following the steps underneath:
Tip: To find a virus-created value, you can right-click on it and click "Modify" to see which file it is set to run. If this is the virus file location, remove the value.Step 3: Find virus files created by qc64.exe Miner Trojan on your PC.
1.For Windows 8, 8.1 and 10.
For Newer Windows Operating Systems
1: On your keyboard press + R and write explorer.exe in the Run text box and then click on the Ok button.
2: Click on your PC from the quick access bar. This is usually an icon with a monitor and its name is either “My Computer”, “My PC” or “This PC” or whatever you have named it.
3: Navigate to the search box in the top-right of your PC's screen and type “fileextension:” and after which type the file extension. If you are looking for malicious executables, an example may be "fileextension:exe". After doing that, leave a space and type the file name you believe the malware has created. Here is how it may appear if your file has been found:
N.B. We recommend to wait for the green loading bar in the navigation box to fill up in case the PC is looking for the file and hasn't found it yet.
2.For Windows XP, Vista, and 7.
For Older Windows Operating Systems
In older Windows OS's the conventional approach should be the effective one:
1: Click on the Start Menu icon (usually on your bottom-left) and then choose the Search preference.
2: After the search window appears, choose More Advanced Options from the search assistant box. Another way is by clicking on All Files and Folders.
3: After that type the name of the file you are looking for and click on the Search button. This might take some time after which results will appear. If you have found the malicious file, you may copy or open its location by right-clicking on it.
Now you should be able to discover any file on Windows as long as it is on your hard drive and is not concealed via special software.
qc64.exe Miner Trojan FAQ
What Does qc64.exe Miner Trojan Trojan Do?
The qc64.exe Miner Trojan Trojan is a malicious computer program designed to disrupt, damage, or gain unauthorized access to a computer system. It can be used to steal sensitive data, gain control over a system, or launch other malicious activities.
Can Trojans Steal Passwords?
Yes, Trojans, like qc64.exe Miner Trojan, can steal passwords. These malicious programs are designed to gain access to a user's computer, spy on victims and steal sensitive information such as banking details and passwords.
Can qc64.exe Miner Trojan Trojan Hide Itself?
Yes, it can. A Trojan can use various techniques to mask itself, including rootkits, encryption, and obfuscation, to hide from security scanners and evade detection.
Can a Trojan be Removed by Factory Reset?
Yes, a Trojan can be removed by factory resetting your device. This is because it will restore the device to its original state, eliminating any malicious software that may have been installed. Bear in mind that there are more sophisticated Trojans that leave backdoors and reinfect even after a factory reset.
Can qc64.exe Miner Trojan Trojan Infect WiFi?
Yes, it is possible for a Trojan to infect WiFi networks. When a user connects to the infected network, the Trojan can spread to other connected devices and can access sensitive information on the network.
Can Trojans Be Deleted?
Yes, Trojans can be deleted. This is typically done by running a powerful anti-virus or anti-malware program that is designed to detect and remove malicious files. In some cases, manual deletion of the Trojan may also be necessary.
Can Trojans Steal Files?
Yes, Trojans can steal files if they are installed on a computer. This is done by allowing the malware author or user to gain access to the computer and then steal the files stored on it.
Which Anti-Malware Can Remove Trojans?
Anti-malware programs such as SpyHunter are capable of scanning for and removing Trojans from your computer. It is important to keep your anti-malware up to date and regularly scan your system for any malicious software.
Can Trojans Infect USB?
Yes, Trojans can infect USB devices. USB Trojans typically spread through malicious files downloaded from the internet or shared via email, allowing the hacker to gain access to a user's confidential data.
About the qc64.exe Miner Trojan Research
The content we publish on SensorsTechForum.com, this qc64.exe Miner Trojan how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific trojan problem.
How did we conduct the research on qc64.exe Miner Trojan?
Please note that our research is based on an independent investigation. We are in contact with independent security researchers, thanks to which we receive daily updates on the latest malware definitions, including the various types of trojans (backdoor, downloader, infostealer, ransom, etc.)
Furthermore, the research behind the qc64.exe Miner Trojan threat is backed with VirusTotal.
To better understand the threat posed by trojans, please refer to the following articles which provide knowledgeable details.