Remove Cortana.exe CryptoMiner Malware Completely
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Remove Cortana.exe CryptoMiner Malware Completely

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Note! Your computer might be affected by Cortana.exe Miner and other threats.
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This article will help you to remove Cortana.exe Miner totally. Follow the removal instructions for the miner malware provided at the end of the article.

Cortana.exe Miner is the name of an executable process. The process is designed to be perceived as the legitimate Cortana service that is innate to Windows. If the process is found in a temporary folder or the “Windows” folder, then it is malware that got there without your permission and will mine cryptocurrency for somebody else’s benefit at the expense of your computer resources. Cortana.exe Miner will use exhaustive power consumption, so it is in your best interest to remove it.

Threat Summary

NameCortana.exe Miner
TypeTrojan Horse, Miner Malware
Short DescriptionThe Cortana.exe Miner is a cryptocurrency miner type of malware that is probably put in your computer system via a Trojan horse and without your permission.
SymptomsYou will see a rise in the usage of your computer’s resources like CPU (mostly), RAM and possibly GPU, while your PC will accordingly consume more electric power and may even overheat.
Distribution MethodFreeware Installations, Bundled Packages, JavaScript
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Cortana.exe Miner – Distribution Methods

The Cortana.exe Miner malware can spread in a few ways. Third-party installer setups could have put a Trojan horse on your computer system via bundling. These installations typically arrive with freeware and application packages. Without you knowing, additive content could be installed to your computer, which could even be a JavaScript file that downloads the actual malware. Avoiding such installations is possible if you find Custom or Advanced settings in the install setup.

Cortana.exe Miner can also spread if you come across unknown websites through redirects and advertisements which have some sort of scripts in themselves and load them when you visit a site or click on an advert. Pop-ups, pop-unders, as well as banners could have links inside of them that can redirect you. When visiting such websites, especially with an unknown origin, they could inject the malware inside your computer device. That can happen via any browser.

Cortana.exe Miner – Technical Data

Cortana.exe Miner is the name of an executable process. The process is made to look like the Windows Voice Assistant – Cortana. The legitimate Cortana is actually associated with the process name SearchUI.exe and is known to take up a really small portion of your computer’s resources.

Cortana.exe Miner process is a Monero cryptocurrency miner that uses the Processor (CPU) resources, causing constant freezing and crashes related to the graphics and related drivers.

The Cortana.exe Miner is not a system file and not related to Windows, but could tamper with Windows processes and install/change the following files:

  • C:\Windows\servicing\chksum.exe
  • C:\Windows\servicing\wsus.exe
  • C:\Windows\servicing\starter.exe

The above listed starter.exe process will execute a PowerShell command that will start the Cortana.exe Miner executable file.

Cortana.exe Miner malware is highly likely to make some additional components that will aid it to achieve its purpose to full effect. Thus, after it being executed on the system, it may establish a remote connection to a command and control server where all other malicious files are available. There are some essential Windows folders in which the malicious files can be dropped:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

The following registry key entry might be present on your computer system:

→“HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run”

The entry listed above will make the miner to launch with every restart or boot of your computer device. Below you can see some useful tips that can help you to prevent similar miner malware to install onto your PC, in the future:

  • Run programs inside a sandbox environment
  • Install an advanced anti-malware protection
  • Update your mostly-used programs and software in general
  • Update your OS with security updates
  • Install an ad-blocker application
  • Be wary around your e-mails and don’t open them unless you know the source
  • Disable macros in Microsoft Office Applications
  • Disable JavaScript
  • Keep your firewall ON

Cortana.exe Miner will probably only mine the Monero cryptocurrency as it has been designed to do just that. While doing so, a lot of computer resources can be used up, including an increased usage in CPU, RAM (maybe even GPU) and electric power consumption. It is highly recommend that you remove the malware threat, because the Cortana.exe Miner can degrade your system’s lifespan. Not to mention that this might cause your computer to overheat and crash frequently.

Remove Cortana.exe Miner Completely

To remove Cortana.exe Miner manually from your computer, follow the step-by-step removal tutorial written down below. In case this manual removal does not get rid of the miner malware completely, you should search for and remove any leftover items with an advanced anti-malware tool. Such software can keep your computer secure in the future.

Note! Your computer system may be affected by Cortana.exe Miner and other threats.
Scan Your PC with SpyHunter
SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as Cortana.exe Miner.
Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter’s malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria.

To remove Cortana.exe Miner follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove Cortana.exe Miner files and objects
2. Find files created by Cortana.exe Miner on your PC

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
Tsetso Mihailov

Tsetso Mihailov

Tsetso Mihailov is a tech-geek and loves everything that is tech-related, while observing the latest news surrounding technologies. He has worked in IT before, as a system administrator and a computer repair technician. Dealing with malware since his teens, he is determined to spread word about the latest threats revolving around computer security.

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