Jhdd – General Info
Jhdd is a destructive software application working as common ransomware. Michael Gillespie, the widely known virus researcher, very first found this new name in the DJVU ransomware family.
Jhdd was developed for the sole function to encrypt all popular file types. Rationally, as soon as the file encryption is effectively accomplished, the users are unable to get access to them. Jhdd ransomware includes its own “.jhdd” to all the encrypted files. For example, the file “price_list.xls”, once modified by Jhdd, will be titled as “price_list.xls.jhdd”. When the encryption is accomplished, Jhdd puts its own distinct text file (_readme.txt) into all the folders that save the encrypted files.
The alert mentioned by text file requesting for the random os extremely similar to the alerts provided by other ransomware risks belonging to the DJVU family. The warning generally indicates that the data has been secured and the only option to get access to it is to use a distinct standalone key. Regretfully, this declaration is absolutely true.
The approach to encrypt the files used by Jhdd is not completely investigated. Nevertheless, there is no doubt that each computer system owner may be provided a special decryption key, which is absolutely distinct. It is extremely tough to recover the information without the proper type in place.
“Don’t worry, you can return all your files!”, from _readme.txt message:
One more peculiarity of the Jhdd infection is that the users are unable to get access to the key. The decrypting key is hosted on an unique server under the complete control by the scoundrels who have released the Jhdd infection into the world wide web. In order to obtain the key and bring back the crucial data, the users are informed to get in touch with the scams through email or by telegram and to pay the ransom in the quantity of $980.
The message also says that individuals need to get in touch with the Jhdd authors within 72 hours upon the minute of the data encryption. The alert suggests that by doing so the people will obtain a 50% discount, therefore, the ransom amount drops down to $490.
Jhdd encrypted your data, nevertheless, it might not be the only threat on your computer. Plus, the ransomware might be hidden deep in the system. To spot and delete the risk entirely, we advise you to refer to the assistance of GridinSoft Anti-Malware tool.
Download GridinSoft Anti-Malware
GridinSoft Anti-Malware Review, How to get free trial?, EULA, and Privacy Policy.
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 criminals will keep their guarantees, so they might not care at all what the victims feel about the file encryption, even when the quantity of the ransom is received into their accounts. Hence, paying ransom often does not result in a successful healing. So, the users may simply lose their money for absolutely nothing.
Similarly, we urge you not to get in touch with the frauds as they instruct. Do not move cash into their wallets. There are no applications that could break the Jhdd virus or bring back the data at no cost. Therefore, the only right decision is to bring back the information from possible backups (if readily available).
Virus Summary
| Name | Jhdd Ransomware |
| File Extension | jhdd |
| 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 .jhdd extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Jhdd Removal Tool | GridinSoft Anti-Malware |
| Jhdd Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Web is now loaded with infections comparable to the Jhdd ransomware. For instance, this specific hazard is generally identical to Brusaf and other ransomware-type infections. These harmful energies have actually been established in order to encrypt the essential data and reveal the need for the users to pay the ransom. All these infections utilize the similar algorithm to generate the particular key for successful files decryption.
Unless the Jhdd ransomware is still under the development process or has got some concealed bugs, it is not possible to restore the data manually. Thus, the only working service to prevent the loss of your crucial information is to regularly maintain up-to-date backups of all your vital data.
Another essential piece of guidance is to store the backups on special storage not linked to your primary computer. For instance, you might save it on the USB Flash Drive, or some external drive, or by using the cloud data storage services. Keeping the backups on your system drive is really risky, because the backup may also be secured by the Jhdd infection.
Leakages for the Jhdd ransomware attack.
Jhdd utilizes numerous paths to infiltrate the susceptible computers. It is not certain what particular method was utilized in your case, nevertheless, the invasion might take place through the following channels:
- bundling with third-party programs, primarily free software;
- spam e-mails from the unidentified senders;
- sites offering complimentary hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Jhdd may camouflage itself as some real application, for example, through the deceptive alerts requiring setup of some software application upgrade. This is the most typical technique used by the scams to inject the Jhdd virus files into the system. By doing this users partly participate in its setup, without plainly comprehending the danger.
Additionally, the scams might send unsolicited spam e-mail with difficult alerts motivating the people to open dubious attachments or click some download links, for example, those motivating the people to open particular photos, text files, tax files and other information.
No doubt, opening these files or clicking on the malicious links may essentially harm the system. Fake Acrobat Reader update alerts may lead to the Jhdd ransomware seepage. Likewise, downloading the split software may in addition contain the ransomware installer. The last however not the least, setup of Jhdd may happen through some Trojan horses that might be set up stealthily into the system and without the user’s direct authorization or perhaps approval.
Avoiding the Jhdd attack.
Of course, there is no absolute warranty that your computer will be constantly without any malware attacks, nevertheless, we would like to share some beneficial suggestions with you to make it safer. Make sure to pay very very close attention while browsing the web and especially while downloading cost-free programs. Do not open any dubious email attachments, especially if the sender is not known to you.
Do not forget that particular freeware installer may also include some other extra apps in the package. These additional applications may be extremely destructive. It is of utmost value to keep your anti-virus software and your os in basic to be always properly updated.
It is rather logical that downloading cracked apps is illegal, however, in addition, such unapproved software application use may likewise bring severe damage to your PC. Hence, do not download any cracked programs. Plus, the reality that your present anti-virus did not safeguard the system from the Jhdd ransomware is a good reason for you to reassess your choices and change to another program that can render the safeguarding functions on a much better level.
Below please find the quotation from the Jhdd 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 “.jhdd” extension added by the virus:”
Use GridinSoft Anti-Malware to remove Jhdd ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can get GridinSoft Anti-Malware by clicking the button below:
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 jhdd files
You can download Emsisoft Decryptor by clicking the button below:
- Run the decryptor as an administrator. The license terms will show up, which you have to agree to by clicking the “Yes” button.
- Once the license terms are accepted, the primary decryptor user interface opens.
- 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.
- 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.
- 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
- 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.
User Review
( votes)
