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Ygvb Virus

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


Ygvb is the name of a Ransomware virus developed solely to make money for its criminal creators. The most visible Ygvb symptoms are the inaccessible files and the ransom-demanding note.

The Ygvb ransomware will leave a _readme.txt file with instructions

Experts in the security field are warning that this new threat is spreading through different attachments in spam emails, fake advertisements, eye-catching offers, misleading links, and compromised web pages. The malicious software sneaks into the system immediately after you interact with the transmitter, and begins scanning the machine for personal files that may be valuable to the victim, such as video and audio records, pictures, documents, databases, and other private data. Once it detects them, the malware applies complicated file encryption to all of them. It is also possible that the Ransomware may change the file extension to the affected files with a new one. After that Ygvb generates a ransom message on the infected computer, which informs the victim that they have to pay a ransom (usually in bitcoins) to decrypt their data.

The cyber criminals behind Ygvb, Dwqs, Nuhb prompt the users to pay as quickly as possible, and usually give them a short time to do that. Those who agree to meet all the requirements of the hackers are promised to obtain a unique decryption key, with the assistance of which their information can be decrypted.

The Ygvb virus

The Ygvb virus is an infection that doesn’t show any visible symptoms of its presence. The Ygvb virus can encrypt the files, one by one, without you even realizing there’s malware on the computer.

The Ygvb virus will encrypt your files

Therefore, you are recommended to use a trusted anti-malware tool to get rid of the infection effectively. Such software will ensure that the Ransomware is correctly removed, and will also provide you with future security against similar viruses. Make sure you have updated the security software to the latest version before you begin checking your system, because this will guarantee that the program can correctly detect and remove all malicious parts.

Manual removal of the Ransomware is also an option, but it may be hard for inexperienced computer users. However, you may still want to check the instructions provided in the removal guide below and try some of the file-recovery suggestions listed there. It is important to note, though, that some threats based on Ransomware may attempt to delete the Shadow Volume Copies of the encrypted information from the system to prevent the victims from recovering it. In this situation, if you keep any backup copies on an external drive or cloud, they will be your best bet at getting your information back.

The .Ygvb file extension

The .Ygvb file extension appears at the end of all the documents that have been encrypted. The .Ygvb file extension is unrecognizable to any of the programs you may have on your machine.

In many cases, paying the ransom may sound like the fastest alternative, but trusting the cyber criminals is not a good idea. For one, there is no assurance that the key they promised you will actually be sent. And secondly, no one can tell you whether that key will actually be able to decrypt the applied encryption efficiently.

That’s why, instead of paying a ransom to some anonymous hackers, what most security specialists recommend is to explore other ways of coping with the Ransomware. Ideally, you should focus on removing Ygvb, and cleaning your system, as you may not be able to use the computer for anything with an active infection like this one in there.


Danger LevelHigh (Ransomware is by far the worst threat you can encounter)
Data Recovery ToolNot Available
Detection Tool

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

Remove Ygvb Ransomware

When dealing with ransomware, it’s best to bookmark this page and save the instructions for future reference, so you don’t have to keep looking for this guide again and again after each system restart. Also, it’s easier to identify and remove malware in Safe Mode, so we recommend rebooting the system in Safe Mode before moving on to the second step of this guide.


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

Look for any suspicious processes in the Processes tab of the Task Manager, which you can access by pressing CTRL+SHIFT+ESC on your keyboard is the next step on this guide. It is important to pay special attention to any unusual processes that don’t belong to any of your regular programs. Right-click on a suspicious process and select Open File Location from the context menu to view its files:

Using the powerful free online virus scanner listed below, you can scan the suspicious-looking process’s files for malicious code. To perform a file check, you can drag and drop files from a suspected process’s File Location folder into the scanner.

Each file will be scanned with up to 64 antivirus programs to ensure maximum accuracy
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    If the scanned files are found to be dangerous, they must be deleted. Some files may refuse to be deleted while the process is still running, so to get rid of them, first go back to the suspicious process and select End Process from the context menu by right-clicking on it. After you’ve done this, make sure you remove the dangerous files from your system.

    The next step is to go to the System Configuration settings, select the Startup tab, and search for potentially unwanted startup items. Enter msconfig in the Windows search bar, hit Enter, and then click on the result to open System Configuration and see what’s listed under the Startup tab:

    Any startup item with a manufacturer or a name you don’t trust should be checked off. Only check the checkboxes next to legitimate startup items that you trust and want to start with your system.

    The Hosts file on a computer is another location where changes could be made without your approval. This is why you should open it and search for any suspicious IP addresses listed under “Localhost“. To do that, open a Run window by pressing Win+R, then, paste the following line into the text box and press Enter:

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

    As you see the host file on the screen, check what has been added under Localhost. Send us any IP addresses that resemble the ones in the image below so that we can investigate. A member of our team will investigate them to see if they’re dangerous.

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

    More advanced malware frequently adds harmful registry entries in order to stay on the system longer and be more difficult to remove by users with little or no technical knowledge.  Ygvb, as one of the latest examples, may also have added harmful files to your system’s registry that you are unaware of. Therefore, you must run a Registry Editor check to see if you can find and delete them. There are numerous methods for accomplishing this. You can type Regedit in the Windows search bar and press Enter to get start the Registry Editor. Once there, a Find window can be opened by pressing CTRL and F at the same time. Simply type the name of the ransomware in there and click “Find Next”.

    Using the search, remove any ransomware-related entries that come up. The search can be repeated as many times as necessary until there are no more results.

    Attention! The operating system may be damaged if you delete files that are not related to the ransomware infection while cleaning up the infected files. But if you don’t remove all the registry entries connected to the threat, Ygvb may reappear. That’s why, we strongly recommend you to scan your computer for malware and thoroughly clean your registry with an anti-malware program.

    The following five places should also be checked for ransomware-related entries. You can open them one at a time by typing their names in the Windows search bar and pressing Enter.

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

    Examine each of these locations for files that have recently been added and remove any that may be harmful. Delete all the temporary files in the Temp folder by selecting them and pressing Del on your keyboard.

    How to Decrypt Ygvb files

    Even after the ransomware has been removed, victims still face the problem of decrypting their encrypted files. There are a number of ransomware variants, and each has a unique method of regaining access to the enctypted files. You can tell you’re dealing with a specific ransomware variant by looking at the extensions of the files that have been encrypted.

    Prior to attempting to recover your files, it is highly recommended that you scan the infected system with a reputable anti-virus program (such as the one available on this page). After you are sure that the computer is clean and you are confident that the virus has been removed from your system, you can safely experiment with various file recovery methods and even connect backup sources to the ransomware-free machine.

    New Djvu Ransomware

    An entirely new Djvu ransomware variant, known as STOP Djvu, has recently been discovered by experts in the cyber security field. This infection to stands out from the rest with the fact that the files encrypted with it typically have the suffix .Ygvb at the end. An offline key decryptor, like the one found at the following link, can help you decrypt encrypted data.

    Download the STOPDjvu.exe file from the link above and then select “Run as Administrator” to open it. Press the Yes button to start the program. As soon as you’ve read the license agreement and any accompanying brief instructions, you’ll be able to start decrypting data. This tool is unable to decrypt files that have been encrypted with unknown offline keys or online encryption.

    Consider using the anti-virus program listed in this guide to get rid of the ransomware quickly and easily if the need arises. Alternatively, you can scan suspicious files for viruses using a free online virus scanner.

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