Bpto Virus

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


Bpto is a malicious program that targets Windows users and encrypts their files. Bpto is classified as ransomware, because it demands that victims pay in exchange for a decryption key for their files.

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The Bpto virus ransom note

Software of this type is considered to be highly dangerous because of the extent of the damage that it’s capable of doing. But what also makes it such an extreme-level threat is the fact that it can work under the radar of even the best antivirus programs out there.

If you’ve ended up on this page, chances are you’ve already had the misfortune of experiencing Bpto’s effects firsthand. In this case, we suggest you read through this brief article and check out the removal guide below. It contains a sequence of steps that we recommend you perform in order to remove this ransomware from your computer. And in addition, we’ve included several methods you can apply for the recovery of your files.

The Bpto virus

The Bpto virus is what is widely referred to as ransomware. And as typical ransomware, the Bpto virus encrypts the files on the computers it infects, after which is demands a ransom payment.

The encryption process is basically, in a sense, a security measure used to restrict access to data from anyone who is not in possession of the respective decryption key.

This is precisely why most antivirus programs aren’t triggered by ransomware – it doesn’t actually harm anything. And yet, ironically, software like Bpto, Bpsm or Bpws can end up causing the most damage imaginable. Hackers behind malicious applications of this type are well aware of this fact and therefore typically target businesses and large organizations due to their deeper pockets and simply because they have much more to lose.

But this doesn’t at all mean that private persons are any safer. In fact, ransomware is easily among the most common infection types out there and its numbers have been growing exponentially in recent years.

The Bpto file encryption

The Bpto file encryption is the result of what is known as a ransomware infection. Ransomware such as the Bpto file targets the personal files of its victims and renders them inaccessible.

Bpto File

Next, it demands that the victims pay a certain amount of money in order to have said files unlocked. In most cases, the ransom amount will be requested in bitcoins or some other cryptocurrency so the criminals can ensure their anonymity. However, those tempted to comply with their demands should keep in mind that doing so does not guarantee a positive outcome.

It’s very possible that the hackers may never reach out to you again, or that the decryption key they send might not work as promised. This is why it’s actually a better idea to explore alternative options. And regardless of how you decide to go about the file decryption, removing Bpto shouldn’t even be debatable. As pointed out earlier, you can use the removal instructions we’ve prepared before in order to eliminate the ransomware from your system. And you can also try and extract your files from system backups if possible (see guide below).


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

Remove Bpto Ransomware


The removal of ransomware infections such as Bpto might be a quite challenging task, especially for users who are dealing with this malware for the first time. That’s why, we recommend restarting the machine in Safe Mode, as this will limit the number of processes and programs that are running only to the most important ones and, eventually, will make the detection of the malicious components easier.

Before you reboot in Safe Mode, though, make sure to bookmark these removal instructions in your browser or open the page on another device, so that you can simply reload it and complete the guide from start to finish.



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

In the second step, you’ll need to head to the Task Manager, and take a look at the processes that are running there.

The easiest way to do that is to press CTRL, SHIFT, and ESC, then choose Processes from the tabs at the top.

Look at the list of processes for anything out of the ordinary. Oddly named items that use a lot of CPU or RAM may fall into this category. The easiest approach to check a process for malicious code is to right-click on it, choose Open File Location, and use a trusted scanner to scan the files of that process.


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    The processes whose files get flagged as harmful should be ended, and the files themselves should be deleted from the system.


    Infections like Bpto may alter a variety of system files. That’s why it is a good idea to check the following file for changes. To open it, press the WinKey and R from the keyboard together and paste the line below in the Run window, then click OK:  

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

    In the Hosts file, go to where it writes Localhost and look for any strange IP addresses like the ones shown below:

    hosts_opt (1)

    Please let us know if you see anything disturbing in your files by leaving us a message in the comments section at the end of this guide.

    Next, open System Configuration by typing msconfig in the Windows Search bar:


    Check whether Bpto has added any harmful Startup Items to the list by selecting the Startup tab. If a certain item looks dangerous to you, or you cannot link it to any legitimate program that normally starts on your computer, do a fast online search to find out more about it. Next, depending on the information that you find, you may need to uncheck the checkmark of the item that you believe is linked to the ransomware in order to disable it.


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

    Attention! Registry files are what you’ll be dealing with in this step. If done incorrectly, alterations to the Registry may damage the whole system.To avoid the risk, please use a professional malware removal tool and scan the files that you plan to delete.

    If you prefer to search the Registry manually, you need to enter Regedit in the Windows Search field and hit Enter from the keyboard.

    When the Registry Editor appears, press CTRL and F at the same time and write the name of the ransomware inside the Find box. Next, start a search for the ransomware by clicking on the Find Next button. 

    If any registry entries with that name are identified, they most likely belong to the ransomware and need to be deleted. Nevertheless, you should proceed with utmost caution in order to avoid damaging your system by removing items that are unrelated to the danger.

    Once you’ve eliminated any ransomware-related items from the Registry Editor, click the Windows Search bar, and enter the following lines one at a time:

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

    To ensure that the ransomware hasn’t added any new files to these locations, be sure to thoroughly search each of them for entries with an unusual name. When you open the Temp folder, select all temporary files stored there and remove them.


    How to Decrypt Bpto files

    The steps required to deal with ransomware may be different, depending on the variant that has attacked your computer. The ransomware’s variant may be identified by looking at the extensions it adds to the files it encrypts.

    However, you must first ensure that your computer is free of the ransomware infection. If you have concerns about that, we recommend using a professional anti-virus tool, an online virus scanner or a combination of both to verify that Bpto is entirely removed from your computer.

    New Djvu Ransomware

    STOP Djvu is the latest variant of the Djvu Ransomware family. This threat is rapidly spreading worldwide and attacking more and more users. In order to distinguish this specific variant from other malware, please search for the .Bpto suffix at the end of the encrypted files. 

    Once you are sure that STOP Djvu is the threat that has attacked you, you can  give a try to the decryption tool linked below and see if it  can help you get back your encrypted files. 


    Open the link ,and then click the Download button on the website to save the decryptor on your computer.

    The process of decryption

    Make sure that you run the decryptor as an administrator, then confirm by clicking on the Yes button to start the file. Next, you need to read the license agreement and the on-screen instructions before proceeding any further. To decrypt your data, just click the Decrypt button. Please note that the tool may not be able to decode files encrypted using unknown offline keys or files that were encrypted online.

    If you have any questions, we would love to know about them in the comments. Also, we would like to know if you find this Bpto removal guide helpful and if it has helped you to deal with Bpto successfully.


    About the author


    Violet George

    Violet is an active writer with a passion for all things cyber security. She enjoys helping victims of computer virus infections remove them and successfully deal with the aftermath of the attacks. But most importantly, Violet makes it her priority to spend time educating people on privacy issues and maintaining the safety of their computers. It is her firm belief that by spreading this information, she can empower web users to effectively protect their personal data and their devices from hackers and cybercriminals.

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