Kcbu Virus

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*Kcbu is a variant of Stop/DJVU. Source of claim SH can remove it.

Kcbu

Kcbu is a piece of malware that causes harm by keeping users from accessing their own digital files. Kcbu is recognized as a ransomware cryptovirus since it applies encryption to user files and demands a ransom for their decryption key.

The key feature of this new infection is its ability to remain unnoticed while it applies its complex encryption code to the files that are of greatest value for the victim. Kcbu normally shows no visible symptoms that can give its activity away and users who aren’t very observant may not notice anything until the file-encryption process completes and a ransom note appears on their screen. This gives the malware the weapon of surprise and allows it to set its victims into panic by giving them a short deadline to react. As typical ransomware, the ultimate goal of Kcbu, Kcvp, Tcvp or Tcbu is to scare its victims into paying a ransom for the decryption key of their sealed files. The criminals who are behind this infection provide payment instructions and promise that if their demands are fulfilled, they will send the file-decryption key that corresponds to the Kcbu encryption. Trusting the promises made by the same criminals who are responsible for the encryption of your personal data, however, isn’t wise at all. The hackers are only behind your money and once they get it, they typically disappear without sending a file-recovery solution or find a new way to extort more money from their victims. This gives you a good reason to refuse to pay them whatever, and explore other instructions that may help you recover your data and remove the ransomware that has compromised your computer.

The Kcbu virus

The Kcbu virus is a piece of malware that causes harm by keeping users from accessing their own digital files.The Kcbu virus is recognized as a ransomware cryptovirus since it applies encryption to user files and demands a ransom for their decryption key.

The key feature of this new infection is its ability to remain unnoticed while it applies its complex encryption code to the files that are of greatest value for the victim. Kcbu normally shows no visible symptoms that can give its activity away and users who aren’t very observant may not notice anything until the file-encryption process completes and a ransom note appears on their screen. This gives the malware the weapon of surprise and allows it to set its victims into panic by giving them a short deadline to react.

The Kcbu file decryption

As typical ransomware, the ultimate goal of the Kcbu file is to scare its victims into paying a ransom for the decryption key of their sealed files. The criminals who are behind this infection provide payment instructions and promise that if their demands are fulfilled, they will send the file-decryption key that corresponds to the Kcbu file encryption.

Trusting the promises made by the same criminals who are responsible for the encryption of your personal data, however, isn’t wise at all. The hackers are only behind your money and once they get it, they typically disappear without sending a file-recovery solution or find a new way to extort more money from their victims. This gives you a good reason to refuse to pay them whatever, and explore other instructions that may help you recover your data and remove the ransomware that has compromised your computer.

 

SUMMARY:

NameKcbu
TypeRansomware
Detection Tool

OFFER Read more details in the first ad on this page, EULA, Privacy Policy, and full terms for Free Remover.

*Kcbu is a variant of Stop/DJVU. Source of claim SH can remove it.

Remove Kcbu Ransomware


As a first step, please Bookmark this page and boot your computer into Safe Mode before completing any of the steps outlined in this article. Once the computer reboots, proceed to the second step and follow the instructions described there.

WARNING! READ CAREFULLY BEFORE PROCEEDING!

*Kcbu is a variant of Stop/DJVU. Source of claim SH can remove it.

Commonly, ransomware like Kcbu will launch malicious processes in the background of the system. You must identify these processes, end them, and then delete the files associated with them from their respective file locations in order to successfully remove the virus. To accomplish this, open the Processes tab in the Windows Task Manager (click CTRL + SHIFT + ESC at the same time).

When you see the Task manager, click on the Processes tab and take a close look at the processes listed there to identify any that seem suspicious. Pay attention to processes with excessive use of system resources or unusual name.

Right click on every process that looks questionable and select the Open File Location option from the list of options that are displayed. Then use the scanner below to scan the files in the file-location folder for malware:


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    After the scan completes, you should end the processes associated with the infected files and remove any associated files folders from the file location.

    Note: If you are sure something is part of the infection – delete it, even if the scanner doesn’t flag it. No anti-virus program can detect all infections.

    Ransomware infections usually get access to the system with the assistance of other malicious software. For this reason, it is important to check whether your machine has been hacked before the attack. Pressing Start + R will bring up the Run window, where you can paste the following code to open the Hosts file:

    notepad %windir%/system32/Drivers/etc/hosts

    The pasted command will not execute until you click the OK button. If your computer has been compromised, under Localhost there will be a long list of suspicious IPs, as seen in the accompanying image below.

     

    Important! If you see any questionable IP addresses in your Hosts file after the word “Localhost”, please let us know in the comments section below this page.

    Next, type msconfig in the Windows search field. When you press the Enter key, the System Configuration window will launch instantly.

     

    Navigate to the tab labeled “Startup” and then search for any entries that either seem to relate to Kcbu, or look suspicious, and have “Unknown” as Manufacturer. Uncheck the checkbox selected before these items; only legitimate entries should remain selected. If in doubt, learn as much as possible about a startup item online before doing it.

     

    *Kcbu is a variant of Stop/DJVU. Source of claim SH can remove it.

    Kcbu and other viruses may modify the Registry and add harmful files, which must be found and removed before the infection can be entirely deleted. For this, you need to launch the Registry Editor by searching for Regedit and then clicking on the result.

    Then, open the Find window by pressing the Ctrl key plus the F key, and then input the full name of the ransomware threat in the Find box that appears on the screen. To search the registry for any harmful entries, click the Find Next button and wait for the results. After the scan is finished, you should get rid of any harmful files or folders that were detected.

    If the Find command yields no more results, try entering the following into the Windows Search Field one by one.

    1. %AppData%
    2. %LocalAppData%
    3. %ProgramData%
    4. %WinDir%
    5. %Temp%

    You may check for newly added files to the mentioned folders by going through each one of them. However, be very careful when you want to delete something and better use a reliable antivirus program in case of doubt.

    It is a good idea to remove of anything that’s in your temporary folder (Temp) by selecting it and pressing the Del key on your keyboard.

    How to Decrypt Kcbu files

    The ransomware variant that has infected your system and its specifics will determine the best course of action that you can take to decrypt your files. Since there is, however, no silver bullet against ransomware, we’ll narrow down to Kcbu and attempt to provide a workaround for it. Looking at the file extension added to encrypted files is a sure way to tell whether you have been infected with Kcbu.

    Remember, too, that decrypting ransomware-encrypted files requires first ensuring that the virus has been completely eliminated from your machine. The removal tool and the free online virus scanner available on this page may help you get rid of Kcbu and other advanced infections.

    New Djvu Ransomware

    The newest strain of the Djvu Ransomware family is known as STOP Djvu Ransomware. This version is easily identifiable by its victims, since it appends the .Kcbu file extension to all encrypted files. Although it may be very difficult to decode data encoded by new variants, it is possible to decrypt Kcbu-encrypted files using a decryption tool. The program that we’ve provided a link to below can hopefully help you recover your lost information. It’s free to download if you follow the link and click the Download button on the page that opens:

    https://www.emsisoft.com/ransomware-decryption-tools/stop-djvu

    Select “Run as Administrator” to run the decryptor file that is saved on your computer. Before continuing, you must read the on-screen licence agreement and any related instructions. To begin decrypting, click the Decrypt button, but please keep in mind that data encrypted with unknown offline keys or online encryption cannot be decrypted using this tool.

    If you have any comments, thoughts or concerns regarding this removal guide, please share them in the comments section below. We will be glad to hear from you and help you out.

     

     


    About the author

    Lidia Howler

    Lidia is a web content creator with years of experience in the cyber-security sector. She helps readers with articles on malware removal and online security. Her strive for simplicity and well-researched information provides users with easy-to-follow It-related tips and step-by-step tutorials.

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