Qehu Virus Removal Guide (+Decrypt .qehu files)

Qehu – General Info

Qehu is a destructive software functioning as typical ransomware. Michael Gillespie, the well-known virus researcher, very first found this new name in the DJVU ransomware family.

Qehu was developed for the sole function to encrypt all popular file types. Realistically, as quickly as the file encryption is effectively accomplished, the users are unable to get access to them. Qehu ransomware adds its own “.qehu” to all the encrypted data. For example, the file “price_list.xls”, when modified by Qehu, will be titled as “price_list.xls.qehu”. As soon as the encryption is accomplished, Qehu puts its own distinct text file (_readme.txt) into all the folders that save the encrypted files.

The alert specified by _readme.txt requesting for the random os very comparable to the notifications provided by other ransomware hazards coming from the DJVU family. The caution generally indicates that the data has been secured and the only solution to get access to it is to use a special standalone key. Regretfully, this declaration is absolutely true.

The technique to secure the files used by Qehu is not totally investigated. Nevertheless, there is no doubt that each computer owner may be issued a special decryption key, which is definitely unique. It is extremely tough to recuperate the data without the appropriate key in location.

“Don’t worry, you can return all your files!”, from text file message:

One more peculiarity of the Qehu virus is that the users are unable to get access to the key. The decrypting key is hosted on a special server under the total control by the crooks who have actually released the Qehu infection into the world wide web. In order to get the key and bring back the essential information, the users are informed to get in touch with the frauds through email or by telegram and to pay the ransom in the amount of $980.

The message likewise states that the people ought to contact the Qehu authors within 72 hours upon the minute of the data encryption. The alert indicates that by doing so the people will get a 50% discount, therefore, the ransom amount drops down to $490.

No matter what the quantity of the ransom is, we highly encourage that you do not pay the ransom. There is no warranty that these online crooks will keep their guarantees, so they may not care at all what the victims feel about the file encryption, even when the amount of the ransom is gotten into their accounts. Hence, paying ransom typically does not result in a successful healing. So, the users might simply lose their money for absolutely nothing.

Likewise, we urge you not to call the frauds as they instruct. Do not move cash into their wallets. There are no applications that could split the Qehu ransomware or bring back the information for free. Therefore, the only right choice is to bring back the information from possible backups (if offered).

Virus Summary

Name Qehu Ransomware
File Extension qehu
Type Ransomware
Family DJVU
Short Description The ransomware encrypts all the data stored on your system and requires a ransom to be paid on your part supposedly to recover your important files.
Symptoms File encryption by the ransomware is performed by means of the AES-256 algorithm (CFB mode) encryption algorithm. Once the encryption is completed, the ransomware adds its special .qehu extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Qehu Removal Tool   GridinSoft Anti-Malware
Qehu Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now filled with infections comparable to the Qehu virus. For example, this specific hazard is essentially identical to Brusaf and other ransomware-type infections. These harmful utilities have actually been developed in order to encrypt the essential information and reveal the demand for the users to pay the ransom. All these infections use the similar algorithm to create the specific key for effective information decryption.

Unless the Qehu ransomware is still under the advancement procedure or has got some hidden bugs, it is not possible to restore the information by hand. Hence, the only working solution to prevent the loss of your crucial data is to regularly keep updated backups of all your important documents.

Another essential piece of advice is to keep the backups on unique storage not connected to your main PC. For example, you might save it on the USB Flash Drive, or some external hard disk drive, or by using the cloud data storage services. Keeping the backups on your system drive is very dangerous, given that the backup might also be encrypted by the Qehu infection.

Leakages for the Qehu ransomware attack.

Qehu uses many paths to penetrate the susceptible computers. It is not specific what specific method was used in your case, nevertheless, the invasion may take place via the following channels:

  • bundling with third-party programs, primarily freeware;
  • spam emails from the unknown senders;
  • sites providing complimentary hosting;
  • P2P (peer-to-peer) torrent software.

There are times when the Qehu may disguise itself as some real application, for example, through the deceptive notifies demanding installation of some software application upgrade. This is the most typical trick utilized by the scams to inject the Qehu ransomware files into the system. In this manner users partially take part in its installation, without clearly understanding the threat.

In addition, the frauds may send out unsolicited spam email with difficult alerts motivating individuals to open suspicious accessories or click some download links, for example, those motivating individuals to open particular images, text files, tax documents and other information.

No doubt, opening these files or clicking on the harmful links might basically harm the system. Fake Media Player upgrade notices may cause the Qehu ransomware seepage. Likewise, downloading the broken software might additionally include the ransomware installer. The last however not the least, installation of Qehu may happen through some Trojan horses that may be set up stealthily into the system and without the user’s direct permission or even permission.

Preventing the Qehu ransom virus injection.

Obviously, there is no outright warranty that your computer system will be always free of any malware attacks, nevertheless, we want to share some helpful ideas with you to make it safer. Make sure to pay extremely very close attention while browsing the web and specifically while getting cost-free programs. Do not open any dubious email accessories, especially if the sender is not known to you.

Do not forget that particular freeware installer may likewise contain some other extra apps in the package. These extra applications may be really harmful. It is of utmost significance to keep your anti-virus software and your os in general to be constantly effectively updated.

It is rather rational that downloading cracked software is prohibited, nevertheless, additionally, such unauthorized apps usage may likewise bring severe damage to your computer. Hence, do not download any broken programs. Plus, the truth that your existing anti-virus did not secure the system from the Qehu ransomware is a good factor for you to reevaluate your choices and switch to another program that can render the protecting functions on a better level.

Below please find the quotation from the Qehu text file:

ATTENTION!

 Don't worry, you can return all your files!
 All your files like photos, 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:
 https://we.tl/t-2P5WrE5b9f
 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.


 To get this software you need write on our e-mail:
 restorealldata@firemail.cc

 Reserve e-mail address to contact us:
 gorentos@bitmessage.ch

 Our Telegram account:
 @datarestore

Screenshot of files with “.qehu” extension added by the ransomware:”

Use GridinSoft Anti-Malware to remove Qehu ransomware from your computer

1.Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

  GridinSoft Anti-Malware

2. Double-click on the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-ag.exe file to install GridinSoft Anti-Malware on your computer.

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

3. Press Install button for run GridinSoft Anti-Malware.

3.Once installed, GridinSoft Anti-Malware will automatically run.

4. Wait for the GridinSoft Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your computer for Win Speedup 2018 and other malicious programs. This process can take a 20-30 minutes, so we suggest you periodically check on the status of the scan process.

5. Click on “Clean Now”.

When the scan has completed, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

Use Emsisoft Decryptor for restore qehu files

You can get Emsisoft Decryptor by clicking the button below:

  Emsisoft Decryptor

  1. Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
  2. Once the license terms are accepted, the primary decryptor user interface opens.
  3. By default, the decryptor will pre-populate the locations to decrypt with the currently connected drives and network drives. Additional locations can be added using the Add” button.
  4. Decryptors typically offer various options depending on the particular malware family. The available options are located in the Options tab and can be enabled or disabled there. You can find a detailed list of the available Options below.
  5. After you have added all the locations you want to decrypt to the list, click the “Decrypt” button to start the decryption process. The screen will switch to a status view, informing you about the current process and decryption status of your files
  6. The decryptor will inform you once the decryption process is finished. If you require the report for your personal records, you can save it by clicking the “Save log” button. You can also copy it straight to your clipboard to paste it into emails or forum posts if you are asked to.
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Daniel Zimmermann

Daniel Zimmermann has been writing on security and malware subjects for many years and has been working in the security industry for over 10 years. Daniel was educated at the Saarland University in Saarbrücken, Germany and currently lives in New York.

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