Gtys Virus

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


Gtys is a virus program recognized as Ransomware that encrypts user files in order to make them inaccessible. Ransomware threats like Gtys are primarily used for money extortion as they only release the locked files once the attacked victim sends money to their creators.

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

If your system has been invaded by such a threat, it is important that you keep calm and assess the situation without allowing panic to take over you. Otherwise, you risk acting out of impulse and frustration which could, in turn, result in a further worsening of the situation. The first thing we must talk about here is the reason for your inability to access your files: the encryption that’s applied to them. The Ransomware encryption is an advanced algorithm that rearranges the code in the affected files so that once a program tries to open them, the program in question cannot make any sense of the code and is, therefore, unable to access them.

However, for every encryption, there is a private key that can bring the shuffled code of an encrypted file back to its regular state. If you have this key, you can open an encrypted file. In the case of Gtys, the private key is in the hands of the hackers and their goal is to get you to pay them for it. If you don’t pay, you don’t get the key, and your files stay unavailable. The problem is that there’s no guarantee that the same thing won’t happen even if you do pay. What’s there to say that the hackers won’t refuse to send you the key? The obvious answer is “Nothing”. This is why the advisable course of action when faced with a threat of this caliber is to take your time and research all available alternative options. In our guide below, we will tell you about some of them after we show you how you can remove the virus.

The Gtys virus

The Gtys virus is a Windows infection used for blackmailing its victims by restricting their access to the data on the attacked computer. The Gtys virus doesn’t release the locked-up files unless the victim pays a set amount of money to its creators.

The Gtys virus will encrypt your files

Paying for the decryption key, however, may not be the only option you have. There are several other potential recovery methods and while they don’t work in all cases, it is still worth giving them a try because they won’t require you to pay ransom to the hackers. You must remember, though, that you must first remove the virus before you try any of them.

The Gtys file decryption

The Gtys file decryption is a file-unlocking process that requires a special private key that matches the public key used by the encryption. If you don’t have the key for the Gtys file decryption, there are several alternative data recovery methods you can try.

Those methods will be shown to you in our guide but before you try them out, you are advised to first remove the Ransomware by following the next instructions so that no more data on your computer gets encrypted in the future.


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

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

Remove Gtys Ransomware


It is recommended that you restart of your computer in Safe Mode by using the instructions from the link.

Before you do that, however, please make sure that you save this page by clicking on the bookmark icon that is typically found in the URL bar of your browser before you begin the actual removal of Gtys from your computer. This will allow you to easily access the removal guide and complete all the steps without having to search for the instructions over and over again.

After you successfully restart the system in Safe Mode, you can safely proceed with the remaining Gtys removal instructions described on this page.



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

Ransomware infections such as Gtys often operate their malicious processes in the background of a computer’s OS, showing no obvious symptoms that could potentially expose them. This permits them to remain undetected while wreaking havoc on the system. In order to deal with this form of virus, one of the most difficult tasks is to identify and stop any potentially harmful processes related with the ransomware that may be operating on your computer at the time of infection. To do that, it is necessary to carefully follow the instructions outlined below.

Open the Windows Task Manager by pressing the CTRL+SHIFT+ESC keys simultaneously, and then pick the Processes Tab from the list of top-level tabs in the Task Manager window.

You should make a note of any processes that consume a significant amount of resources, have an odd name, or otherwise look suspicious, then right-click on each of them to bring up the quick menu. To check the files connected with that process, select “Open File Location” from the quick menu.


Check the files associated with the process in question for potentially dangerous code by running them via the free online virus scanner given below:

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    As soon as a file is discovered to be hazardous, the process that is associated with it should be stopped immediately, and the files themselves should be carefully removed from your computer.

    The same should be done for each process that includes potentially harmful files until the system has been totally cleared of all rogue processes.


    In the next step, it is necessary to deactivate any potentially harmful startup items that have been introduced to the system by the ransomware.

    For this, begin by entering msconfig in the Windows search bar and then choosing System Configuration from the list of search results that appears. Then read through the items under the Startup tab, looking for anything out of the ordinary:


    When a starting item has a “Unknown” Manufacturer or a random name, it is suggested that you study it online and uncheck its checkbox if you uncover sufficient proof that it is associated with the ransomware. In addition, check for any additional startup items on your computer that you are unable to associate with the applications that you usually launch on startup. You want to keep only startup items associated with applications that you trust or that are connected to the system. 


    Another very important step if you want to eliminate all traces of Gtys from your system and prevent the ransomware from re-appearing or leaving malicious components behind is to search the system’s registry for any potentially hazardous entries that have been secretly added there.

    The Registry Editor may be accessed by typing Regedit in the Windows search bar and pressing Enter to bring up the Registry Editor. After that, you may search for the ransomware more rapidly by pressing the CTRL and F keys on your computer at the same time and carefully typing the name of the malware into the Find box. Next, click the Find Next button, and if any results are returned, carefully remove the entries that include the name of the malware.

    Attention! You should never remove entries from your registry if you aren’t absolutely positive you want to remove them, since any incorrect deletions might cause more harm than good to your system. Therefore, it is recommended that you use professional removal solutions to completely remove Gtys and other ransomware-related files from your computer’s registry in order to prevent any harm.

    Once you are done with the registry, close the Registry Editor and manually search for each of the locations listed below by using the Windows Search bar. Simply copy/paste the following lines and then press Enter after each to open them:

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

    Search for suspicious files and folders that are associated with the threat, and remove anything that you strongly believe to be hazardous. If you want to get rid of any temporary files that may have been saved on your system, select and delete everything in the Temp folder.

    The next location that you need to check is your computer’s Hosts file. Once you get there, you need to search for any alterations that may have been made without your knowledge.  If you come across anything unusual, please leave a comment below and we will try our best to respond to you as soon as possible.

    In order to access the Hosts file, press the Windows and R keys together. This will immediately open a Run box, where you need to copy/paste the following command and hit the Enter key to have it executed: 

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

    As seen in the accompanying screenshot below, please notify us if your Hosts file has been updated to contain certain suspicious-looking IP addresses under the Localhost section:

    hosts_opt (1)

    If everything appears to be in order to you, simply close the file without making any modifications.


    How to Decrypt Gtys files

    Depending on the ransomware variant that has infected your computer, you may need to take a different strategy in order to successfully decode the encrypted data. The first thing that you need to do is to look at the file extensions that the virus has added to the files that have been encrypted in order to figure out which Ransomware variant you are dealing with.

    New Djvu Ransomware

    STOP Djvu Ransomware is the latest variant of the Djvu Ransomware family to infect computers. To check if you have been infected by this new danger, look for the .Gtys file extension at the end of the files encrypted by the virus. Typically, this extension is automatically added to the files encrypted by the malware. The good news is that there is a way to decrypt the files if they have been encrypted with an offline key. In fact, if you click on the following link, you will be sent to a page with a decryption program that you might find useful in your case.


    You can run the decryption application by downloading it from the URL above, right-clicking it, selecting “Run as Administrator”, and then hitting “Yes”. Please take a moment to review the licensing agreement as well as the brief instructions that display on the screen before moving further.

    Decryption will be activated by selecting Decrypt button, which will start the process of decrypting the data that has been encrypted. Note that data encrypted using unknown offline keys or online encryption may not be decrypted by this program. If you have any questions or issues, please share them with us in the comments section below, and we will do all we can to help you out.

    Important! Remember to check your computer to make sure that any ransomware-related files and harmful registry entries have been deleted from it before attempting to decrypt the data that has been encoded. Online virus scanners and anti-virus software, such as those available on our website, will aid you in eliminating Gtys and other harmful pieces of malware that are spreading over the internet.


    About the author


    Brandon Skies

    Brandon is a researcher and content creator in the fields of cyber-security and virtual privacy. Years of experience enable him to provide readers with important information and adequate solutions for the latest software and malware problems.


    • When we try to decryption getting below error, could you please help on this.

      File: D:\Tax\Suresh_Form16_2017.pdf.gtys
      Error: No key for New Variant offline ID: qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1
      Notice: this ID appears be an offline ID, decryption MAY be possible in the future


      • Hi Suresh,
        this is the program telling you that there is no decryption for this variant yet, and there MAY be possible decryption in the future. I would suggest you wait patiently until there is a solution for this variant.

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