Home > Trojan > Quick Searcher CPU Miner Removal Guide

Quick Searcher CPU Miner Removal Guide


The Quick Searcher miner is distributed via a Google Chrome browser extension. At first, it may mislead you that it has the functionality to simplify search process on the Internet. However, it is designed to inject digital currency miner into all web pages that you visit. Once installed which most of the times happens without any notifications, it starts to use PC resources, mainly those of the CPU to generate cryptocurrency coins to its creators.

This article aims to help you remove Quick Searcher miner fully from your computer and secure it against future malware attacks.

Threat Summary

Name Quick Searcher
Type Crypto Miner Malware
Short Description The end goal of Quick Searcher miner is to mine for the Cryptocurrency Monero, using your computer’s CPU resources.
Symptoms Having Quick Searcher miner on your PC, results in elevated CPU usage by it’s malicious process. If it remains on your computer for longer periods of time, the virus may even break your computer’s components.
Distribution Method Spam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by malware


Malware Removal Tool

User Experience Join Our Forum to Discuss Quick Searcher.

Quick Searcher CPU Miner – Spread Techniques

The Quick Searcher extension may infect your browser after you download and install other freeware from the Internet. This method is called bundling and is often used for distribution of unwanted programs like Quick Searcher miner. Commonly the authors of freeware programs do not disclose all elements of the installation setup accurately. Thus by just clicking the “Next” button, you may install Quick Searcher miner along with the desired software. An additional way of Quick Searcher delivery may be compromised web pages that are set to perform drive-by download attacks whenever a user opens them.

Quick Searcher CPU Miner – Detailed Overview

Once the Quick Searcher extension is installed and enabled in the browser it might display the following message on each web page you access:

Our extension uses your CPU power to mine crypto currency. By continuing to use the extension, you are agreeing with the rules. Find out more. Disable mining.

If you notice that message, be advised to check the list of active add-ons, remove Quick Searcher and this way prevent the miner from utilizing your computer’s CPU power for mining.

Quick Searcher is believed to inject an in-browser Monero miner from Coinhive. By opening the Task Manager while the browser is running, you may notice that Chrome process is using a considerable amount of the CPU’s power. Furthermore, it is likely that this feature delays the launch of the infected browser and causes a lot of crashes.

Having the Quick Searcher installed means that any time the browser is open, the miner will be running too which in long-term could cause physical damage to your CPU. Another serious consequence of Quick Searcher presence in your browser is that it can additionally install a Miner Trojan in your operating system. As a result, hackers can obtain different information like passwords, financial credentials, system vulnerabilities from your computer. Being considered to deliver a mining Trojan the danger level of Quick Searcher increases significantly that’s why you should remove it from the infected PC as soon as possible to prevent further misuses with your device and the information stored on it.

Recently our team has detected two more Monero cryptocurrency Miner Trojans that are also associated with the Coinhive website – Coinhive Monero Miner Trojan and CryptoLoot Coinhive Monero Miner. The frequent cases of hidden cryptocurrency miners give evidence of a new emerging trend.

How to Detect and Remove Quick Searcher CPU Miner

In order to remove Quick Searcher miner, you should first reset your browser settings. Afterward, the automatic removal approach provided in the instructions below can help you to delete all malicious files associated with the miner and ensure prevention of future malware attacks.

Gergana Ivanova

Highly motivated writer with 5+ years of experience writing for ransomware, malware, adware, PUPs, and other cybersecurity-related issues. As a writer, I strive to create content that is based on thorough technical research. I find joy in the process of creating articles that are easy to understand, informative, and useful. Follow me on Twitter (@IRGergana) for the latest in the field of computer, mobile, and online security.

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Preparation before removing Quick Searcher.

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 Quick Searcher with SpyHunter Anti-Malware Tool

1. Click on the "Download" button to proceed to SpyHunter's download page.

It is recommended to run a scan before purchasing the full version of the software to make sure that the current version of the malware can be detected by SpyHunter. Click on the corresponding links to check SpyHunter's EULA, Privacy Policy and Threat Assessment Criteria.

2. After you have installed SpyHunter, wait for it to update automatically.

SpyHunter 5 Scan Step 1

3. After the update process has finished, click on the 'Malware/PC Scan' tab. A new window will appear. Click on 'Start Scan'.

SpyHunter 5 Scan Step 2

4. After SpyHunter has finished scanning your PC for any files of the associated threat and found them, you can try to get them removed automatically and permanently by clicking on the 'Next' button.

SpyHunter 5 Scan Step 3

If any threats have been removed, it is highly recommended to restart your PC.

Step 2: Clean any registries, created by Quick Searcher 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 Quick Searcher there. This can happen by following the steps underneath:

1. Open the Run Window again, type "regedit" and click OK.
Remove Virus Trojan Step 6

2. When you open it, you can freely navigate to the Run and RunOnce keys, whose locations are shown above.
Remove Virus Trojan Step 7

3. You can remove the value of the virus by right-clicking on it and removing it.
Remove Virus Trojan Step 8 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 Quick Searcher 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.

Remove Virus Trojan Step 9

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.

Remove Virus Trojan Step 10

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:

file extension malicious

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.

Remove Virus Trojan

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.

Remove Virus Trojan Step 11

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.

Quick Searcher FAQ

What Does Quick Searcher Trojan Do?

The Quick Searcher 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 Quick Searcher, 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 Quick Searcher 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 factory reset.

Can Quick Searcher 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 Quick Searcher Research

The content we publish on SensorsTechForum.com, this Quick Searcher 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 Quick Searcher?

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 Quick Searcher threat is backed with VirusTotal.

To better understand the threat posed by trojans, please refer to the following articles which provide knowledgeable details.

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