This article aims to help you detect and eliminate the freshly emerged fileless BitCoin miner software and protect your pc ter the future.

Fileless malware is shaping up to be the next big thing ter cyber-security, and it will not go away soon. One such virus is the latest discovered BitCoin mining malware. This infection has the only purpose to mine BitCoin, Monero or other cryptocurrencies on the rekentuig it has infected. For cryptocurrency mining to occur, the malware may run processes on the infected machine that may result te the significant over-usage of its resources, and it’s slowing down. And the worst part is that there are no files on your pc, meaning it is very difficult to detect it. If you believe you are infected with this BitCoin miner malware, wij advise you to read this article to learn how to liquidate it from your laptop and protect yourself ter the future spil well.

Threat Summary

BitCoin Miner Virus – Update April 2018

The latest developments, regarding BitCoin Miner viruses is that Google Chrome has made an announcement to block the web browser extensions that have JavaScript miner codes te them. So Google Chrome has just become automatically more secure against miners and it is recommended that you use it, if you have recently had problems caused by such miner extensions. But be advised that, this stir by Google does not eliminate miner viruses, since they are still very active via Trojan Horses and on other browsers’ extensions spil well.

How Does BitCoin Miner Infect

At this point, it is not clear spil to what the precies infection method of this mining malware is. However, it may show up on your laptop spil a result of executing numerous different types of malware previously executed on your computers, such spil Trojans, Worms, and others. The methods of distribution and infection vary, but they may be conducted via:

  • Malicious web linksom posted spil a spam message online.
  • Web linksaf that exist Te various forms, spil fake buttons or altered banners on a webstek spil a result of having a PUP on your laptop.
  • Via malicious e-mail spam attachment with a persuading message to open it.

The infection process itself is conducted with the aid of one of the exploits used te the WannaCry and NotPetya ransomware outbreaks which came out earlier this year. The exploit is known by the name EternalBlue and is a zero-day type of exploit for Windows versions from Windows XP up to Windows Ten. Fortunately, Microsoft has released patches for the exploit, so anyone who has a legitimate Windows installation should instantaneously:

  • Disable the WMI service.
  • Disable SMB and Download the latest security patches from Microsoft.

Analysis of BitCoin Miner

The primary region affected by this ransomware, also dubbed by TrendMicro researchers spil COINMINER.QO trojan is the Asia-Pacific region with the largest percentage of infected devices to be detected ter Japan, followed by Indonesia and Taiwan.

Spil stated before, the BitCoin miner uses the Windows Management Instrumentation service (WMI), which has an application, called scrcons.exe, used to execute scripts. Altogether, the malware becomes fully invisible, because it does not druppel any types of files on the computers infected by it.

The malicious activity of the virus is comprised of executing numerous malicious scripts on the infected PC by a backdoor which the BitCoin miner malware runs beforehand. Thesis scripts have the purpose to connect the virus to a control and instruction server.

Furthermore, besides connecting to one guideline and control server, the virus also connects to a C&C server again, most likely used for communication. It then uses different classes to execute further scripts that permit for various deeds to take place:

  • Eliminate control of the virus.
  • Download the cryptocurrency mining software and execute it filelessly.
  • Add the victim PC to a mining pool network te which all infected computers are also added.

Update December 2018 – Fresh BitCoin Miners Detected

Spil of latest months, fresh miners for BitCoin have emerged out te the wild. The miners are spread via numerous different methods and the most likely that may be encountered are if they are embedded on websites via malicious JavaScript code on the websites of victims. Te addition to this, some of the miners are embedded ter Trojan Pony viruses, whose primary purpose is to remain unnoticed on your rekentuig for spil long spil possible. So here are some of the most famous BitCoin miner viruses which have made the most influence out of all.

Bitcoinminer.sx Malware

Being very similar to one of the Adylkuzz Trojan, the Bitcoinminer.sx may come on your rekentuig via malicous e-mails sent overheen the web, that deceive you into thinking you are receiving an invoice, banking statement, receipt or a purchase letterteken for a product. The miner malware may even have advanced capabilities, like to update itself or install other miners on the pc of the victim a s well spil collect keystrokes and other crucial gegevens.

Upup.exe BitCoin Miner

Similar to Bitcoinminer.sx, the Upup.exe malware also aims to use the CPU and GPU resources on the rekentuig of the victim by connecting the pc to a mining pool. Te addition to this, the malware also modifies the registry sub-keys, responsible for the Certificats te order to obtain certain permissions straks on, like network information, system details, passwords and other gegevens.

Service.exe Virus Process

This malware is of unknown origins and most of what is known about it is that it uses a fake Service.exe process te order to perform the mining operation. The virus used to infect victims by posing spil a fake document, program setup, patch or software license activator and it wasgoed primarily spread via malicious e-mail spam messages. It wasgoed also reported by experts to have Trojan capabilities, meaning that it may steal your login information, like passwords, user names and may also update itself and remotely control your PC.

WDF.EXE CryptoMiner Trojan

The WDF.exe is one of two processes which are dropped on a freshly created folder, named “wdf”. The folder of this miner Trojan pony is located te the %Windows% directory and it also contains the taskmon.exe malicious opstopping, which may also install other miners on the victim’s pc, such spil a miner, reported to activate a process, named NvProfileUpdater64.exe.

How to Detect and Eliminate BitCoin Miner Malware

Since this is malware from the fileless type, meaning it does not druppel any files on your pc, your best bet is to by hand interact with the following root classes:

Since those classes are used to trigger the malicious script, they cannot be interacted with by simply disabling WMI spil shown above. So this is why manual removal of BitCoin miner may be a challenging process.

The best practice to detect the malicious processes running ter the background of your rekentuig and associated with BitCoin miner is to automatically scan for them with malware-specific removal software. This will also ensure that thesis malicious objects are eliminated securely, without taking a chance to harm critical Windows Components by by hand removing them. For more information and an option on how to liquidate BitCoin fileless miner, one method is to go after the instructions below.

By hand delete BitCoin Miner from your rekentuig

Note! Substantial notification about the BitCoin Miner threat: Manual removal of BitCoin Miner requires interference with system files and registries. Thus, it can cause harm to your PC. Even if your pc abilities are not at a professional level, don’t worry. You can do the removal yourself just te Five minutes, using a malware removal implement.

Boot Your PC Into Safe Mode

1. Eliminate all CDs and DVDs, and then Restart your PC from the “Commence” menukaart.

Two. Select one of the two options provided below:

For PCs with a single operating system: Press “F8” repeatedly after the very first boot screen shows up during the restart of your laptop. Ter case the Windows logo shows up on the screen, you have to repeat the same task again.

For PCs with numerous operating systems: Тhe arrow keys will help you select the operating system you choose to commence te Safe Mode. Press “F8” just spil described for a single operating system.

Three. Spil the “Advanced Boot Options” screen emerges, select the Safe Mode option you want using the arrow keys. Spil you make your selection, press “Inject“.

Four. Loom on to your laptop using your administrator account

While your rekentuig is ter Safe Mode, the words “Safe Mode” will emerge te all four corners of your screen.

Step Two: Whilst holding down Shift button, click on Power and then click on Restart.

Step Trio: After reboot, the aftermentioned spijskaart will emerge. From there you should choose Troubleshoot.

Step Four: You will see the Troubleshoot menukaart. From this menukaart you can choose Advanced Options.

Step Five: After the Advanced Options menukaart emerges, click on Startup Settings.

Step 7: A spijskaart will show up upon reboot. You should choose Safe Mode by pressing its corresponding number and the machine will restart.

Some malicious scripts may modify the registry entries of your rekentuig to switch different settings. This is why manual clean up of your Windows Registry Database is strongly recommended. Since the tutorial on how to do this is a bit lenghty, wij recommend following our instructive article about fixing registry entries.

Find malicious files created by BitCoin Miner

For Newer Windows Operating Systems

Step 1:

On your keyboard press + R and write explorer.exe te the Run text opbergruimte and then click on the Ok button.

Step Two:

Click on your PC from the quick access tapkast. 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.

Step Three:

Navigate to the search opbergruimte ter the top-right of your PC’s screen and type “fileextension:” and after which type the verkeersopstopping extension. If you are looking for malicious executables, an example may be “fileextension:exe”. After doing that, leave a space and type the verkeersopstopping name you believe the malware has created. Here is how it may show up if your opstopping has bot found:

N.B. Wij recommend to wait for the green loading drankbuffet ter the navination opbergruimte to pack up ter case the PC is looking for the opstopping and hasn’t found it yet.

For Older Windows Operating Systems

Ter older Windows OS’s the conventional treatment should be the effective one:

Step 1:

Click on the Commence Menukaart icon (usually on your bottom-left) and then choose the Search preference.

Step Two:

After the search window shows up, choose More Advanced Options from the search assistant opbergruimte. Another way is by clicking on All Files and Folders.

Step Trio:

After that type the name of the verkeersopstopping you are looking for and click on the Search button. This might take some time after which results will emerge. If you have found the malicious opstopping, you may copy or open its location by right-clicking on it.

Now you should be able to detect any opstopping on Windows spil long spil it is on your hard drive and is not concealed via special software.

Related movie: How to Setup CGMiner to Mine Cryptocurrencys Litecoin & Dogecoin


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