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  • Active
  • Severity: High
  • Ransomware
  • Windows
  • Verified · Dec 2021

How to remove Yjqs ransomware

A step-by-step removal guide for affected devices. Follow the verified procedure below — most readers complete it in under 10 minutes.

Julie Splinters · Anti-malware specialist

Yjqs ransomware is the infection that locks files and demands payment in Bitcoin for the alleged recovery

Yjqs ransomware

Yjqs ransomware is a malicious program designed to encrypt all personal data on the computer and then demand ransom for its return. Once inside the system, it encrypts all personal pictures, videos, documents, archives, and other files by using a strong encryption algorithm, which also appends a .yjqs extension in the process. Victims can no longer access these files and require a unique key that is in possession of cybercriminals behind the ransomware.

Once the encryption is complete, the virus drops a ransom note _readme.txt – instructions from cybercriminals. this file and the contents of the message have not been changed for a while. The emails listed on the file get altered from time to time but otherwise, there are many things that Djvu ransomware creators keep the same throughout the years. The ransom message explains to victims what happened to their files and claims that the only method to return them is by paying a ransom for a decryption tool. However, that is never the recommended method.

Yjqs ransomware is a cryptovirus that belongs to a malware family known as DJVU. This malware encrypts all the important files on a Windows computer and restricts access to them. The family releases a new version every week if not more often. The recent versions include Hgsh, Wnlu, Yqal, Moia. In the ransom, cybercriminals claim that the only way to recover data is by paying ransom in Bitcoin. The sum varies because criminals offer a discount of 50% in the first 72 hours. The sum starts with $490 and goes to $980.

While it is true that Yjqs virus files require a unique decryption key to unlock them, experts[1] recommend not paying the ransom, as cybercriminals might not keep their promises, resulting in financial losses. In this article, we will explain how to get rid of malware and use alternative methods for data recovery.

Name Yjqs file virus
Type Ransomware, crypto-virus, file locking virus
Malware family STOP virus/Djvu ransomware
Extension Files appended with .yjqs extension, e.g., “picture.jpg” is turned into “picture.jpg.yjqs”
Ransom note  _readme.txt
Contact  manager@mailtemp.ch and helprestoremanager@airmail.cc
File recovery  If no backups are available, recovering data is almost impossible. Nonetheless, we suggest you try the alternative methods that could help you in some cases – we list them below 
Malware removal  Perform a full system scan with powerful security software or anti-malware tools, so all malicious pieces get eliminated
System fix Malware can seriously tamper with Windows systems, causing errors, crashes, lag, and other stability issues after it is terminated. To recover the performance of your OS and avoid virus reinstallation, we recommend scanning the machine with the FortectIntego tool

Yjqs virus is ransomware and this type of infection has been on the rise over recent years, making it one of today's most dangerous threats. Unlike other viruses which are typically embedded in emails or downloads from untrustworthy sources, ransomware comes through file attachments that appear to come from what seems like an authentic sender. Threats can also spread using pirating platforms and injecting malicious payload files into those software or game packages.

The malware will then lock up all documents and videos, images using strong encryption before delivering a ransom note demanding money for their release. It is important you know how these attacks work, so you can avoid damaging files and losing the data permanently.

The _readme.txt note shows the text:

ATTENTION!

Don't worry, you can return all your files!
All your files like pictures, databases, documents 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 you have?
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.
You can get and look video overview decrypt tool:
hxxps://we.tl/t-pk3SGFlmek
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that's price for you is $490.
Please note that you'll never restore your data without payment.
Check your e-mail “Spam” or “Junk” folder if you don't get answer more than 6 hours.

Ransomware in-depth

Ransomware is a virus that attacks Windows computers by using various infiltration methods, and one of the more common ways this family spreads around includes cracks for games or software. People noted that Adobe software cracks, game cheats for FIBA or NBA, and other popular pieces can include the payload of the malware.

The Yjqs virus is a new form of malware, and it is making waves in the cybersecurity world because of its persistence. The authors behind this ransomware demand that you contact them via email for instructions on how to proceed with a payment – which must be done using bitcoin cryptocurrency (BTC).

Criminals will provide further details once your personal ID has been provided. However, we recommend against contacting them at all. You should remove the threat instead. There are no decryption options that could work for sure. Get rid of the infection with SpyHunterCombo Cleaner or MalwarebytesMalwarebytes and then worry about the file recovery. These detection[2] based tools are built for malware removal.

Options depending on online vs. offline IDs

To successfully crack the .yjqs files, you will need to know which ID was given. There can be both offline and online keys but they are not always used interchangeably. Some viruses have access through servers while others use this unique built-in code with encrypted data only found on certain versions of a particular virus.

Online means that it is unique for the machine because the connection was held and the key was formed during the file-locking. Offline IDs can be identical for the version and many people receive the same key for the decryption of separate devices. This is why the decryption software was made and can work for some people.

If your computer got infected with one of the Djvu variants, you should try using Emsisoft decryptor for Djvu/STOP. It is important to mention that this tool will not work for everyone – it only works if data was locked with an offline ID due to malware failing to communicate with its remote servers.

Even if your case meets this condition, somebody from the victims has to pay criminals, retrieve an offline key, and then share it with security researchers at Emsisoft. As a result, you might not be able to restore the encrypted files immediately. Thus, if the decryptor says your data was locked with an offline ID but cannot be recovered currently, you should try later. You also need to upload a set of files – one encrypted and a healthy one to the company's servers before you proceed.

  • Download the app from the official Emsisoft website.
  • After pressing Download button, a small pop-up at the bottom, titled decrypt_STOPDjvu.exe should show up – click it.
  • If User Account Control (UAC) message shows up, press Yes.
  • Agree to License Terms by pressing Yes.

  • After Disclaimer shows up, press OK.
  • The tool should automatically populate the affected folders, although you can also do it by pressing Add folder at the bottom.
  • Press Decrypt.

The Yjqs virus has been more dangerous than ever and it is now impossible to get your files back without assistance from technical experts. The newest versions in the family use specifically online ID forming methods, making victims unable to restore their data on machines themselves. So even though files are important to you, removal of the virus is the first step when dealing with ransomware. File decryption is too difficult in most cases.[3]

Dealing with the Yjqs virus infection aftermath

This nefarious malware is clever, and it gets various improvements over time. The ransomware generates new keys for each computer it infects while holding encoded data hostage to ensure that no one can get their files back unless they pay up! Sometimes when offline IDs are used in creating encryption schemes there is only one master decryption key available and people may lose their data if they do not have any backups. Paying, however, is never an option.

Manual removal is not recommended unless you have advanced skills in IT. Yjqs crypto-malware can scatter its malicious files across the system and hide them inside different folders, making them difficult to locate for average users without proper guidance from an expert. It is possible that such activities result in triggering issues with your machine or even rendering it permanently damaged if unsuccessful which would be extremely inconvenient at this point.

With more and more people becoming victims of ransomware, it is important to protect yourself. Luckily there are free security tools that will efficiently detect all malware-related applications as well as any other viruses hiding within your machine’s operating system. However, there are a few issues that need to be taken care of too after the thorough Yjqs file virus removal too.

Yjqs file virus

Once a computer is infected with malware, its system is changed to operate differently. For example, an infection can alter the Windows registry database, damage vital bootup, and other sections, delete or corrupt DLL files, etc. Once a system file is damaged by malware, antivirus software is not capable of doing anything about it, leaving it just the way it is. Consequently, users might experience performance, stability, and usability issues, to the point where a full Windows reinstallation is required.

Therefore, we highly recommend using a one-of-a-kind, patented technology of FortectIntego repair. Not only can it fix virus damage after the infection, but it is also capable of removing malware that has already broken into the system thanks to several engines used by the program. Besides, the application is also capable of fixing various Windows-related issues that are not caused by malware infections, for example, Blue Screen errors, freezes, registry errors, damaged DLLs, etc.

  • Download the application by clicking on the link above
  • Click on the ReimageRepair.exe
    Reimage download
  • If User Account Control (UAC) shows up, select Yes
  • Press Install and wait till the program finishes the installation processReimage installation
  • The analysis of your machine will begin immediatelyReimage scan
  • Once complete, check the results – they will be listed in the Summary
  • You can now click on each of the issues and fix them manually
  • If you see many problems that you find difficult to fix, we recommend you purchase the license and fix them automatically.Reimage results

Ransomware is a serious issue that can affect anyone's computer. The worse thing about ransomware, though? It locks up important files and slows down performance significantly! You might be able to remove the threat with SpyHunterCombo Cleaner or MalwarebytesMalwarebytes – but do not think of this process as just restoring those locked-up data bits. Decryption and virus removal is not the same.

There are several methods of protecting oneself from malicious software like ransomware. The best way to avoid being infected is by backing up your data and keeping copies in a safe place, as well as having third-party recovery programs available when needed. There may also be instances where security tool regulations prevent access or deletion for certain files, so you can avoid Yjqs ransomware installation altogether.

As for the general damage and virus-made changes, you still need to double-check before going in on data recovery tools or options. There are some alternate methods listed but do not risk getting those files permanently damage by leaving the system still infected. FortectIntego can help find all pieces left by Yjqs file ransomware.

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