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How to uninstall KryptoCibule malware

Also Known As: KryptoCibule virus
Type: Trojan
Distribution: Low
Damage level: Severe

KryptoCibule virus removal guide

What is KryptoCibule?

KryptoCibule is malware written in the C# programming language and capable of operating as a cryptocurrency miner, clipboard hijacker and file exfiltration tool. It uses victims' computer hardware (resources) to mine cryptocurrency, can replace wallet addresses in the system clipboard, and exfiltrate cryptocurrency-related files.

KryptoCibule malware

Research shows that the latest version of KryptoCibule malware uses XMRig to mine Monero cryptocurrency using the victim's CPU (Central Processing Unit), and kawpowminer to mine Ethereum cryptocurrency using the GPU (Graphics Processing Unit). The mining process often causes high CPU and/or GPU usage and, therefore, infected computers might run slowly or not respond at all. It can also cause system crashes, loss of unsaved data, hardware overheating, and other issues. Note that computers employed to mine cryptocurrency use more electricity and, therefore, users receive higher electricity bills. Furthermore, KryptoCibule monitors changes in the system clipboard when it detects an address of a cryptocurrency wallet copied by a victim. This malware then replaces it with the address of a wallet (or wallets) controlled by the cyber criminals responsible. Therefore, victims might inadvertently transfer cryptocurrency to cyber criminals a number of times without being aware. This malware also exfiltrates certain cryptocurrency-related files, it searches for filenames that contain terms relating to cryptocurrencies, wallets, miners, private keys, and then sends them to cyber criminals. In summary, KryptoCibule is cryptocurrency-related malware, which can be used by cyber criminals to employ infected computers (hardware) to mine cryptocurrency, steal hijacked cryptocurrency transactions and files relating to wallets, miners, etc.

Threat Summary:
Name KryptoCibule virus
Threat Type Clipboard hijacker, cryptocurrency miner, cryptocurrency-related data stealer.
Detection Names Avast (Win64:Trojan-gen), BitDefender (Gen:Variant.Ursu.955217), ESET-NOD32 (A Variant Of MSIL/KryptoCibule.A.gen), Microsoft (Trojan:Win32/Wacatac.B!ml), Full List (VirusTotal).
Malicious Process Name(s) System Arch x86_64 transX (its name may vary).
Symptoms Malware like KryptoCibule is designed to stealthily infiltrate the victim's computer and remain silent, and thus no particular symptoms are clearly visible on an infected machine.
Distribution methods Torrent websites, infected email attachments, malicious online advertisements, social engineering, software 'cracks'.
Damage Computer used for cryptocurrency mining, loss of cryptocurrency and/or sensitive data
Malware Removal (Windows)

To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner.
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More examples of malware, which cyber criminals use to hijack clipboard/replace cryptocurrency wallet addresses, steal wallets and/or mine cryptocurrency on other computers, include ApocalypseClipper, Anubis Stealer, BitRAT and E-Clipper. Typically, victims of such malware lose money (through cryptocurrencies) and experience issues relating to privacy.

How did KryptoCibule infiltrate my computer?

Research shows that KryptoCibule is distributed through ZIP files that contain installers for cracked or pirated software and games. These ZIP files are distributed through malicious torrents. Additionally, people who have downloaded files employed to distribute KryptoCibule seed the torrents used by the malicious software and the malicious torrents that help spread it. Therefore, malicious files are available for other users to download, which helps spread KryptoCibule faster. Note that cyber criminals can also use other Peer-to-Peer networks (eMule) to spread malware. They often use malspam campaigns (emails), other untrusted file and software download sources such as unofficial pages, free file hosting pages, freeware download sites, unofficial software activation tools, and third party updaters to trick users into installing malware onto their computers.

How to avoid installation of malware

It is important update and activate software with tools that are designed by official software developers. Avoid third party activation, updating tools, since these are often the reason behind unintentional installation of malware. Furthermore, it is illegal to use 'cracking' programs to activate any licensed software. Programs and files should NOT be downloaded or installed through third party downloaders/installers, Peer-to-Peer networks from unofficial pages, or other channels and sources of this kind. Use official websites and direct links. Attachments and website links in irrelevant emails that are sent from unknown, suspicious addresses should not be opened. Commonly, these emails are sent by cyber criminals who often disguise them as important and official. Keep operating systems safe by regularly scanning them for threats with reputable antivirus or anti-spyware software. If you believe that your computer is already infected, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate infiltrated malware.

Torrent website used to distribute KryptoCibule:

kryptocibule malware torrent website used for distribution

KryptoCibule running in Task Manager as "System Arch x86_64 transX":

kryptocibule malware system arch proccess

Instant automatic malware removal: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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How to remove malware manually?

Manual malware removal is a complicated task - usually it is best to allow antivirus or anti-malware programs to do this automatically. To remove this malware we recommend using Combo Cleaner Antivirus for Windows. If you wish to remove malware manually, the first step is to identify the name of the malware that you are trying to remove. Here is an example of a suspicious program running on a user's computer:

malicious process running on user's computer sample

If you checked the list of programs running on your computer, for example, using task manager, and identified a program that looks suspicious, you should continue with these steps:

manual malware removal step 1Download a program called Autoruns. This program shows auto-start applications, Registry, and file system locations:

screenshot of autoruns application

manual malware removal step 2Restart your computer into Safe Mode:

Windows XP and Windows 7 users: Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK. During your computer start process, press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, and then select Safe Mode with Networking from the list.

Safe Mode with Networking

Video showing how to start Windows 7 in "Safe Mode with Networking":

Windows 8 users: Start Windows 8 is Safe Mode with Networking - Go to Windows 8 Start Screen, type Advanced, in the search results select Settings. Click Advanced startup options, in the opened "General PC Settings" window, select Advanced startup. Click the "Restart now" button. Your computer will now restart into the "Advanced Startup options menu". Click the "Troubleshoot" button, and then click the "Advanced options" button. In the advanced option screen, click "Startup settings". Click the "Restart" button. Your PC will restart into the Startup Settings screen. Press F5 to boot in Safe Mode with Networking.

Windows 8 Safe Mode with networking

Video showing how to start Windows 8 in "Safe Mode with Networking":

Windows 10 users: Click the Windows logo and select the Power icon. In the opened menu click "Restart" while holding "Shift" button on your keyboard. In the "choose an option" window click on the "Troubleshoot", next select "Advanced options". In the advanced options menu select "Startup Settings" and click on the "Restart" button. In the following window you should click the "F5" button on your keyboard. This will restart your operating system in safe mode with networking.

windows 10 safe mode with networking

Video showing how to start Windows 10 in "Safe Mode with Networking":

 

manual malware removal step 3Extract the downloaded archive and run the Autoruns.exe file.

extract autoruns.zip and run autoruns.exe

manual malware removal step 4In the Autoruns application, click "Options" at the top and uncheck "Hide Empty Locations" and "Hide Windows Entries" options. After this procedure, click the "Refresh" icon.

Click 'Options' at the top and uncheck 'Hide Empty Locations' and 'Hide Windows Entries' options

manual malware removal step 5Check the list provided by the Autoruns application and locate the malware file that you want to eliminate.

You should write down its full path and name. Note that some malware hides process names under legitimate Windows process names. At this stage, it is very important to avoid removing system files. After you locate the suspicious program you wish to remove, right click your mouse over its name and choose "Delete".

locate the malware file you want to remove

After removing the malware through the Autoruns application (this ensures that the malware will not run automatically on the next system startup), you should search for the malware name on your computer. Be sure to enable hidden files and folders before proceeding. If you find the filename of the malware, be sure to remove it.

searching for malware file on your computer

Reboot your computer in normal mode. Following these steps should remove any malware from your computer. Note that manual threat removal requires advanced computer skills. If you do not have these skills, leave malware removal to antivirus and anti-malware programs. These steps might not work with advanced malware infections. As always it is best to prevent infection than try to remove malware later. To keep your computer safe, install the latest operating system updates and use antivirus software.

To be sure your computer is free of malware infections, we recommend scanning it with Combo Cleaner Antivirus for Windows.

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About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Malware activity

Global malware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

QR Code
KryptoCibule virus QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of KryptoCibule virus on your mobile device.
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