Jhgn Virus Removal Guide (+Decrypt .jhgn files)

Jhgn – Ransomware

Jhgn is a harmful software application working as common ransomware. Michael Gillespie, the popular virus researcher, very first found this new name in the DJVU ransomware family.

Jhgn was created for the sole function to encrypt all popular file types. Logically, as soon as the file encryption is successfully accomplished, the users are unable to get access to them. Jhgn ransomware adds its own “.jhgn” to all the encrypted data. For instance, the file “price_list.xls”, when crypted by Jhgn, will be entitled as “price_list.xls.jhgn”. When the encryption is accomplished, Jhgn puts its own special text document (_readme.txt) into all the folders that save the encrypted files.

The message mentioned by text file requesting the random os really comparable to the notices given by other ransomware hazards coming from the DJVU family. The caution generally shows that the files have been encrypted and the only option to get access to it is to use an unique standalone key. Regretfully, this statement is absolutely real.

The method to encrypt the files utilized by Jhgn is not entirely looked into. However, there is no doubt that each computer owner may be released a special decryption key, which is definitely special. It is very difficult to recuperate the information without the suitable type in place.

“Don’t worry, you can return all your files!”, from _readme.txt message:

One more peculiarity of the Jhgn 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 criminals who have launched the Jhgn virus into the internet. In order to acquire the key and restore the important information, the users are informed to contact the scams through email or by telegram and to pay the ransom in the amount of $980.

The message likewise states that the people must call the Jhgn authors within 72 hours upon the moment of the data encryption. The alert indicates that by doing so individuals will obtain a 50% discount rate, therefore, the ransom amount falls to $490.

No matter what the quantity of the ransom is, we strongly encourage that you do not pay the ransom. There is no guarantee that these online scoundrels will keep their promises, so they may not care at all what the victims feel about the file encryption, even when the quantity of the ransom is received into their accounts. Thus, paying ransom frequently does not result in a successful healing. So, the users may just lose their money for nothing.

Likewise, we advise you not to call the frauds as they advise. Do not transfer cash into their wallets. There are no applications that could split the Jhgn virus or bring back the data at no cost. For that reason, the only correct decision is to bring back the data from possible backups (if offered).

Virus Summary

Name Jhgn Ransomware
File Extension jhgn
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 .jhgn extension to all the files modified by it.
Distribution Method Adware bundles and software cracks
Similar Infections Lokas, Besub, Nusar
Jhgn Removal Tool   GridinSoft Anti-Malware
Jhgn Decryption Tool   Emsisoft Djvu Decryptor

Do not forget that the Web is now full of infections comparable to the Jhgn virus. For example, this specific hazard is generally similar to Brusaf and other ransomware-type infections. These harmful energies have actually been developed in order to encrypt the essential data and express the need for the users to pay the ransom. All these infections utilize the similar algorithm to generate the specific key for successful files decryption.

Unless the Jhgn ransomware is still under the development process or has actually got some hidden bugs, it is not possible to bring back the data manually. Thus, the only working solution to avoid the loss of your essential data is to regularly keep current backups of all your important files.

Another essential piece of guidance is to store the backups on special storage not connected to your main PC. For instance, you may 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 really dangerous, given that the backup may also be encrypted by the Jhgn .

Leaks for the Jhgn ransomware attack.

Jhgn uses lots of paths to infiltrate the vulnerable computers. It is not certain what particular technique was utilized in your case, however, the intrusion might take place through the following channels:

  • bundling with third-party programs, primarily free software;
  • spam e-mails from the unidentified senders;
  • sites providing complimentary hosting;
  • P2P (peer-to-peer) torrent software.

There are times when the Jhgn ransomware may camouflage itself as some authentic application, for example, through the misleading notifies demanding setup of some software upgrade. This is the most common technique utilized by the frauds to inject the Jhgn ransomware files into the system. This way users partly participate in its setup, without clearly comprehending the threat.

In addition, the frauds might send out unsolicited spam e-mail with challenging notifies motivating the people to open dubious accessories or click some download links, for example, those motivating individuals to open particular images, text files, tax files and other info.

No doubt, opening these files or clicking on the malicious links might essentially harm the system. Fake Media Player upgrade notifications may cause the Jhgn ransomware seepage. Similarly, downloading the broken software might furthermore consist of the ransomware installer. The last but not the least, setup of Jhgn might happen through some Trojan horses that might be set up stealthily into the system and without the user’s direct authorization or perhaps consent.

Avoiding the Jhgn ransomware injection.

Of course, there is no absolute assurance that your computer system will be always devoid of any malware attacks, however, we wish to share some helpful ideas with you to make it much 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 e-mail attachments, especially if the sender is not understood to you.

Do not forget that particular freeware installer might also consist of some other extra apps in the bundle. These extra applications may be really harmful. It is of utmost importance to keep your anti-virus software and your os in basic to be always properly upgraded.

It is quite logical that downloading pirated software is illegal, however, in addition, such unauthorized programs usage might likewise bring major damage to your PC. Thus, do not download any cracked programs. Plus, the truth that your existing anti-virus did not safeguard the system from the Jhgn ransomware is an excellent factor for you to reconsider your choices and change to another program that can render the securing functions on a better level.

Below please find the quotation from the Jhgn 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 “.jhgn” extension added by the virus:”

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

1.Download GridinSoft Anti-Malware.

You can get 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 jhgn files

You can download 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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