This article explains what .djvu files virus is and what issues occur in case of infection with this ransomware. In addition, in this article, you will find a complete set of removal and data recovery steps.
The .djvu files virus has recently been spotted in the wild by security researchers. It is a threat that interferes with essential systems settings in an attempt to encode certain types of files that store valuable data. In case of infection with .djvu cryptovirus you could see an extension of the same name appended to the names of all corrupted files. In addition, you could see a ransom message that blackmails you into contacting hackers and paying them a ransom fee.
|Name||.djvu Files Virus|
|Type||Ransomware, Crypto virus|
|Short Description||A data locker ransomware that encrypts valuable data and demands ransom payment for a decryption solution.|
|Symptoms||Important files are encoded and renamed with the extension .djvu The access to their information is restricted.|
|Distribution Method||Spam Emails, Email Attachments|
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|User Experience||Join Our Forum to Discuss .djvu Files Virus.|
|Data Recovery Tool||Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.|
.djvu Files Virus – Update January 2019
Update 2021 – A new version of STOP Ransomware, using the same .djvu extension has appeared two years later after this variant – you can find more information about it in the new updated 2021 DJVU Virus Removal Guide.
Recently a series of new STOP ransomware variants have been released in active attack campaigns. As revealed by security experts, the main difference between newly discovered strains is the extension they use to mark corrupted files. Here you could see a list of all other extensions that testify for infection with a strain of STOP ransomware:
Happily, security experts have managed to crack the code of almost all variants of this ransomware family and released a decryption tool. So at this point only victims of .puma, .pumax and .pumas, .djvu, .djvuq, .djvur, .djvut, .djvuu, .pdff, .tfude, .tfudeq, .tro, .udjvu, .tfudet STOP ransomware versions are able to decrypt their files with the help of the decryption tool created by the security researchers AfshinZlfgh and Michael Gillespie.
In case that you are victim of one of these versions you can download it via the Decryption Tool link. The tool requires a pair of an original file and its encrypted version.
.djvu Files Virus – Distribution
The main infection vector used by authors of .djvu files virus is likely to be the malspam. Malspam (spam emails that deliver malicious code) is a commonly used technique used for the spread of ransomware like .djvu. There are several common components that are typical of these emails:
- An URL address presented in the form of an in-text link, button, image, banner or other form. Once loaded in the browser the web page associated with this link usually triggers an automatic download process of the malicious ransomware payload. After downloading the payload the same page usually activates specific scripts that execute it directly on your PC.
- An attachment that contains the malware in it. Usually, according to the text message this file should be reviewed as soon as possible due to the importance of its information. The moment you open it on your device is the moment when you trigger the infection process with .djvu files virus. This file may be a familiar type of file such as .rar, .zip, .7z, .docx When infected such a file could be set to evade active security measures and complete the attack without leaving you any chance of detecting the malicious activities it performs on the background.
Since the security of your device and your data is of paramount importance we recommend you to use the help of free online scanners like VirusTotal and ZipeZip every next time you receive a questionable email that contains any of the mentioned components. With the help of these scanners, you will easily identify whether the components are malicious or not.
Other possible infection vectors that may be preferred by the creators of this .djvu crypto virus may be malicious advertising, browser redirects, Skype viruses, potentially unwanted programs, infected third-party app installers and fake notifications for software updates.
.djvu Files Virus – Infection Overview
The name of this ransomware infection is a derivative of the extension it appends to each encoded file. In fact, there is also a legitimate file extension .djvu that is used for the storage of scanned documents, especially ones that contain a combination of text, line drawings, indexed color images, and photographs. Unfortunately, as it appears, the same extension is now misused by hackers for their malicious purposes.
Infection with the so-called .djvu files virus leads to the corruption of essential system settings as their corruption supports the encryption of valuable data. Soon after the beggining of infection process, the ransomware drops several malicious files and objects that may be located in the following system folders:
These files are designed to corrupt essential system settings. For the purpose, they access essential system components in order to implement significant changes that enable the ransomware to manipulate various system functionalities. However, it may not be an easy task to find malicious files as .djvu ransomware could erase almost all of them with the help of a single command.
What marks the end of the attack is the display of a ransom message that attempts to trick you into contacting hackers for more details about a ransom payment. This message is contained in a file called _openme.txt and all it reads is:
———————————————- ALL YOUR FILES ARE ENCRYPTED ———————————————–
Don’t worry, you can return all your files!
All your files documents, photos, databases and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees do we give to you?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information
Don’t try to use third-party decrypt tools because it will destroy your files.
Discount 50% available if you contact us first 72 hours.
To get this software you need write on our e-mail:
Reserve e-mail address to contact us:
Your personal ID:
[redacted 43 alphanumeric chars]
Let us warn you that hackers could send you broken decryption key even if you pay them the demanded ransom. So our advice is to attempt to restore .djvu files with the help of alternative data recovery solutions.
.djvu Files Virus – Encryption Process
When .djvu files virus completes all initial infection stages, it activates an inbuilt encryption module to transform the code of target files and leave them out of order. During this process, the ransomware uses the help of a sophisticated cipher algorithm probably a variation of AES or RSA. Once this algorithm is applied to a target file, the last remains inaccessible due to transformations in its original code. In addition, it is renamed with the extension .djvu.
Unfortunately, this ransomware is likely to encode all files that keep sensitive information of yours. Among these files may be all:
- Audio files
- Video files
- Document files
- Image files
- Backup files
- Banking credentials, etc
We remind you that the decrypter offered by hackers is only one of the ways to restore .djvu files. You could find out more data recovery approaches in the guide below.
Remove .djvu Files Virus and Restore Data
The so-called .djvu files virus is a threat with highly complex code that plagues not only your files but your whole system. So the infected system should be cleaned and secured properly before you could use it regularly again. Below you could find a step-by-step removal guide that may be helpful in attempting to remove .djvu ransomware. Choose the manual removal approach if you have previous experience with malware files. If you don’t feel comfortable with the manual steps select the automatic section from the guide. Steps there enable you to check the infected system for ransomware files and remove them with a few mouse clicks.
In order to keep your system safe from ransomware and other types of malware in the future, you should install and maintain a reliable anti-malware program. Additional security layer that could prevent the occurrence of ransomware attacks is anti-ransomware tool.
Make sure to read carefully all the details mentioned in the step “Restore files” if you want to understand how to fix encrypted files without paying the ransom. Beware that before data recovery process you should back up all encrypted files to an external drive as this will prevent their irreversible loss.
.djvu Files Virus-FAQ
What is .djvu Files Virus Ransomware?
.djvu Files Virus is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.
Many ransomware viruses use sophisticated encryption algorithms to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.
Can .djvu Files Virus Ransomware Cayse Damage?
Yes, ransomware can damage your computer. Ransomware is a malicious software that is designed to block access to your computer or files until a ransom is paid.
Ransomware can also damage your system, corrupt data and delete files, resulting in the permanent loss of important files.
Should I Ignore Viruses, Like .djvu Files Virus?
No, you should never ignore ransomware. It can encrypt your data and block access to your computer, making it impossible to access your files until you pay a ransom.
Ignoring ransomware could lead to the permanent loss of your data, as well as the potential for the ransomware to spread to other computers on your network. Additionally, paying the ransom does not guarantee that your data will be recovered.
How Does .djvu Files Virus Infect?
Via several ways..djvu Files Virus Ransomware infects computers by being sent via phishing emails, containing virus attachment.
This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.
After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.
Another way you may become a victim of .djvu Files Virus is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.
How to Open ..djvu Files Virus files?
You can't. At this point, the ..djvu Files Virus files are encrypted. You can only open them once they are decrypted using a specific decryptionkey for the particular algorithm.
What to Do If a Decryptor Does Not Work?
Do not panic, and backup the files. If a decryptor did not decrypt your ..djvu Files Virus files successfully, then do not despair, because this virus is still new.
Can I Restore "..djvu Files Virus" Files?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore ..djvu Files Virus files.
These methods are in no way 100% guaranteed that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How To Get Rid of .djvu Files Virus Virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti-malware program.
It will scan for and locate .djvu Files Virus ransomware and then remove it without causing any additional harm to your important ..djvu Files Virus files.
Also, keep in mind that viruses like .djvu Files Virus ransomware also install Trojans and keyloggers that can steal your passwords and accounts.
What to Do If I Cant Get The Files Back?
There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:
- Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
- Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
- Also, check if some of the files that were encrypted can be re-downloaded from the web.
- Another clever way is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
- You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.
More tips you can find on our forums, where you can also asks any questions about your ransomware problem.
How to Report Ransomware to Authorities?
In case your computer got infected with a ransomware infection, you can report it to the local Police departments. It can help authorities worldwide track and determine the perpetrators behind the virus that has infected your computer.
Below, we have prepared a list with government websites, where you can file a report in case you are a victim of a cybercrime:
Cyber-security authorities, responsible for handling ransomware attack reports in different regions all over the world:
Germany - Offizielles Portal der deutschen Polizei
United States - IC3 Internet Crime Complaint Centre
United Kingdom - Action Fraud Police
France - Ministère de l'Intérieur
Italy - Polizia Di Stato
Spain - Policía Nacional
Netherlands - Politie
Poland - Policja
Portugal - Polícia Judiciária
Greece - Cyber Crime Unit (Hellenic Police)
India - Mumbai Police - CyberCrime Investigation Cell
Australia - Australian High Tech Crime Center
Reports may be responded to in different timeframes, depending on your local authorities.
Can You Stop Ransomware from Encrypting Your Files?
Yes, you can prevent ransomware. The best way to do this is to ensure your computer system is updated with the latest security patches, use a reputable anti-malware program and firewall, backup your important files frequently, and avoid clicking on malicious links or downloading unknown files.
Can .djvu Files Virus Ransomware Steal Your Data?
Yes, in most cases ransomware will steal your information. It is a form of malware that steals data from a user's computer, encrypts it, and then demands a ransom in order to decrypt it.
Can Ransomware Infect WiFi?
Yes, ransomware can infect WiFi networks, as malicious actors can use it to gain control of the network, steal confidential data, and lock out users. If a ransomware attack is successful, it could lead to a loss of service and/or data, and in some cases, financial losses.
Should I Pay Ransomware?
No, you should not pay ransomware extortionists. Paying them only encourages criminals and does not guarantee that the files or data will be restored. The better approach is to have a secure backup of important data and be vigilant about security in the first place.
What Happens If I Don't Pay Ransom?
If you don't pay the ransom, the hackers may still have access to your computer, data, or files and may continue to threaten to expose or delete them, or even use them to commit cybercrimes. In some cases, they may even continue to demand additional ransom payments.
Why Is the Ransom Paid in Crypto?
Cryptocurrency is a secure and untraceable form of payment, making it the ideal choice for ransom payments. It is difficult to trace, and the transactions are almost instantaneous. This means it is nearly impossible for authorities to track the payment and recover the money.
Can Ransomware Attack Be Detected?
Yes, ransomware can be detected. Anti-malware software and other advanced security tools can detect ransomware and alert the user when it is present on a machine.
It is important to stay up-to-date on the latest security measures and to keep security software updated to ensure ransomware can be detected and prevented.
Do Ransomware Criminals Get Caught?
Yes, ransomware criminals do get caught. Law enforcement agencies, such as the FBI, Interpol and others have been successful in tracking down and prosecuting ransomware criminals in the US and other countries. As ransomware threats continue to increase, so does the enforcement activity.
About the .djvu Files Virus Research
The content we publish on SensorsTechForum.com, this .djvu Files Virus how-to removal guide included, is the outcome of extensive research, hard work and our team’s devotion to help you remove the specific malware and restore your encrypted files.
How did we conduct the research on this ransomware?
Our research is based on an independent investigation. We are in contact with independent security researchers, and as such, we receive daily updates on the latest malware and ransomware definitions.
To better understand the ransomware threat, please refer to the following articles which provide knowledgeable details.
As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.
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