Emsisoft STOP Djvu Ransomware Decryptor – Free way to decrypt encrypted files

STOP Djvu Ransomware Decryptor is a free decryptor created by Emsisoft and Michael Gillespie that allows everyone to decrypt files that were encrypted with the STOP ransomware. Currently, this decryptor can decrypt most variants of the ransomware (148 variants). Part of other versions of this ransomware, namely, cases when encrypted files have the extension: .DATAWAIT, .INFOWAIT, .puma, .pumax, .pumas, can be decrypted using STOP Puma decryptor. Unfortunately, in most cases, it is impossible to decrypt files that are encrypted with new versions of this ransomware (starting from August 2019). If you become a victim of one of these new variants, then at the moment you can only decrypt files that were encrypted with an offline key.

What is STOP Djvu Ransomware

STOP Djvu Ransomware is the most active and widespread ransomware. Like other ransomware, it is designed to encrypt files that can only be decrypted after payment of the ransom. According to the ID Ransomware, to date, more than 450,000 victims have already been discovered, and their number is increasing by approximately 1,500 people every day. The reason for this is that this ransomware is mainly distributed through adware, cracks, free programs and key generators, allowing users to activate paid software. Children, students and many other users, are looking for freeware, download and run it, not knowing that in this way they can allow the ransomware to penetrate on the computer.

Summary

How to decrypt files encrypted by STOP Djvu Ransomware

Depending on the version of STOP Djvu Ransomware, you need to perform different steps to decrypt files. The version of this ransomware can be determined by the extension of the encrypted files. Before decrypting files, you need to be 100% sure that the ransomware is completely removed. We recommend that you use several tools (with different anti-virus engines) to scan your computer and remove STOP Ransomware and other malware. Some of the best and free malware removal tools are listed in this article – Best Free Malware Removal Tools.

Old STOP ransomware

A variant of STOP ransomware using the extension: .puma, .pumas, .pumax. All known variants of this ransomware can be decrypted using STOP Puma decryptor. Also, with this decryptor, in some cases, files with the following extension can be decrypted: .STOP, .SUSPENDED, .WAITING, .PAUSA, .CONTACTUS, .DATASTOP, .STOPDATA, .KEYPASS, .WHY, .SAVEfiles, .DATAWAIT, .INFOWAIT.

Download the decryptor from the link below

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

Right-click on the downloaded file (decrypt_STOPPuma.exe) and select “Run as Administartor”. You will be shown the license terms, click yes to continue. The program starts, you will see a window, as in the example below.

STOP Puma decryptor

As we already reported above, in order to use this decryptor you need one, or better, several pairs of files, one of which is encrypted, and the other is its original version. Having prepared the corresponding pairs, then you need to select them using the corresponding buttons in the program window. When ready, press the Start button. As soon as the key is found, the decryptor will immediately inform you. In some cases, an error may occur while searching for a key, therefore we recommend using several pairs of files to be sure that the correct key has been found.

After the correct key is found, you will be able to decrypt the files. Select the location where the encrypted files are located and click the Decrypt button.

STOP Djvu ransomware

A variant of the STOP Djvu ransomware using the extension: .shadow, .djvu, .djvur, .djvuu, .udjvu, .uudjvu, .djvuq, .djvus, .djvur, .djvut, .pdff, .tro, .tfude, .tfudet, .tfudeq, .rumba, .adobe, .adobee, .blower, .promos, .promoz, .promorad, .promock, .promok, .promorad2, .kroput, .kroput1, .pulsar1, .kropun1, .charck, .klope, .kropun, .charcl, .doples, .luces, .luceq, .chech, .proden, .drume, .tronas, .trosak, .grovas, .grovat, .roland, .refols, .raldug, .etols, .guvara, .browec, .norvas, .moresa, .vorasto, .hrosas, .kiratos, .todarius, .hofos, .roldat, .dutan, .sarut, .fedasot, .berost, .forasom, .fordan, .codnat, .codnat1, .bufas, .dotmap, .radman, .ferosas, .rectot, .skymap, .mogera, .rezuc, .stone, .redmat, .lanset, .davda, .poret, .pidom, .pidon, .heroset, .boston, .muslat, .gerosan, .vesad, .horon, .neras, .truke, .dalle, .lotep, .nusar, .litar, .besub, .cezor, .lokas, .godes, .budak, .vusad, .herad, .berosuce, .gehad, .gusau, .madek, .darus, .tocue, .lapoi, .todar, .dodoc, .bopador, .novasof, .ntuseg, .ndarod, .access, .format, .nelasod, .mogranos, .cosakos, .nvetud, .lotej, .kovasoh, .prandel, .zatrov, .masok, .brusaf, .londec, .krusop, .mtogas, .nasoh, .nacro, .pedro, .nuksus, .vesrato, .masodas, .cetori, .stare, .carote.

In order to decrypt files you need to find several pairs of files. Each pair of files consists of an encrypted file and its original copy. File size over 150kb. After you find several pairs of files, do the following. Open the following link in a new window.

https://decrypter.emsisoft.com/submit/stopdjvu/

You will see a page called STOP Djvu Decryption. An example of this page is given below.

STOP Djvu Decryption

On this page using the Browse button, enter the path to the encrypted file and its original copy, then click the Submit button. After clicking on the Submit button, your files will be uploaded to the server. Then the key search process starts. Please be patient, this process may take some time. As soon as the key is found, an appropriate message will appear on the page and you will be asked to download the decryptor.

Click on the link called “Click here to download the decryptor“. The page from which you can download the decryptor will load. Click the Download button and save the decrypt_STOPDjvu.exe file to your computer.

When the file is downloaded, start it by right-clicking on it and selecting item “Run as Administrator”. When it starts, the Windows can show you UAC Promt, then click Yes. After that, you will be shown the license terms and a small instruction, please read this information to continue.

STOP Djvu decryptor

In the main window, select the disk or directory where the encrypted files are located, and then click Decrypt. After that, the decryptor will begin to decrypt the files for which the key was found at the previous stage. If the decryptor skips files, saying that it cannot decrypt them, then you need to again find a couple of files, one of which is encrypted, and the second is its original copy. Then use them to find the decryption key.

New Djvu ransomware

The latest version of STOP Djvu, using the following file extensions (eg .coharos, .shariz, .gero, .hese, .geno, .xoza, .seto, peta, .moka, .meds, .kvag, .domm, .karl, .nesa, .boot, .kuub, .reco, .bora, .leto, nols, werd, .coot, .derp, .nakw, .meka, .toec, .mosk, .lokf, .peet, grod). This version of the ransomware appeared in August 2019. At the moment, it is possible to decrypt files only in some cases when they are encrypted using an offline key. To decrypt files, download the decryptor using the following link.

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

Click the Download button and save the decrypt_STOPDjvu.exe file to your computer. Right click to it and select ‘Run as Administrator’. Confirm permission to run the program by pressing the Yes button. Read the license terms and brief instructions. In the main window that opens, select the disk or folder where the encrypted files are located and click the Decrypt button. If the decryptor skips files without decrypting them, then the offline key for them is unknown or they are encrypted with an online key.

Finish words

We hope that the set of utilities and services developed by Emsisoft and Michael Gillespie helped you decrypt all the files. If the decryption of the files failed, then do not forget that there is another way to recover your files – is to use data recovery tools. One example that details how to recover files is given here.

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