Jjyy – General Info
Jjyy is a harmful software working as typical ransomware. Michael Gillespie, the popular malware researcher, very first found this new name in the DJVU ransomware family.
Jjyy was created for the sole purpose to encrypt all popular file types. Realistically, as quickly as the file encryption is effectively achieved, the users are unable to get access to them. Jjyy virus includes its own “.jjyy” to all the encrypted files. For example, the file “price_list.xls”, once crypted by Jjyy, will be entitled as “price_list.xls.jjyy”. When the file encryption is achieved, Jjyy puts its own distinct text document (_readme.txt) into all the folders that keep the encrypted files.
The alert mentioned by text file requesting for the random os extremely comparable to the alerts provided by other ransomware hazards coming from the DJVU family. The warning essentially shows that the files have been secured and the only service to get access to it is to use a distinct standalone key. Regretfully, this declaration is definitely real.
The technique to secure the files utilized by Jjyy is not completely looked into. However, there is no doubt that each computer owner may be issued a special decryption key, which is absolutely distinct. It is incredibly difficult to recuperate the information without the proper key in place.
“Don’t worry, you can return all your files!”, from _readme.txt message:
One more peculiarity of the Jjyy infection is that the users are not able to get access to the key. The decrypting key is hosted on an unique server under the complete control by the criminals who have launched the Jjyy infection into the web. In order to obtain the key and restore the essential data, the users are informed to contact the frauds via email or by telegram and to pay the ransom in the quantity of $980.
The message also states that the people should call the Jjyy authors within 72 hours upon the minute of the data encryption. The alert shows that by doing so individuals will obtain a 50% discount rate, therefore, the ransom quantity drops down to $490.
Jjyy crypted your data, nevertheless, it may not be the only danger on your PC. Plus, the ransomware may be concealed deep in the system. To identify and erase the threat completely, we suggest you to refer to the aid of GridinSoft Anti-Malware tool.
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No matter what the quantity of the ransom is, we highly encourage that you do not pay the ransom. There is no guarantee that these online crooks will keep their guarantees, so they may not care at all what the victims feel about the encryption, even when the amount of the ransom is received into their accounts. Hence, paying ransom typically does not result in an effective healing. So, the users might just lose their money for nothing.
Likewise, we urge you not to contact the scams as they instruct. Do not move money into their wallets. There are no applications that might crack the Jjyy virus or bring back the data for free. Therefore, the only appropriate choice is to restore the data from possible backups (if readily available).
Virus Summary
| Name | Jjyy Ransomware |
| File Extension | jjyy |
| 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 .jjyy extension to all the files modified by it. |
| Distribution Method | Adware bundles and software cracks |
| Similar Infections | Lokas, Besub, Nusar |
| Jjyy Removal Tool | GridinSoft Anti-Malware |
| Jjyy Decryption Tool | Emsisoft Djvu Decryptor |
Do not forget that the Internet is now filled with infections similar to the Jjyy virus. For example, this particular risk is basically identical to Brusaf and other ransomware-type infections. These damaging energies have been established in order to encrypt the crucial data and reveal the demand for the users to pay the ransom. All these infections utilize the identical algorithm to produce the particular key for effective files decryption.
Unless the Jjyy ransomware is still under the development procedure or has got some hidden bugs, it is not possible to bring back the data by hand. Hence, the only working option to prevent the loss of your crucial information is to frequently preserve current backups of all your vital data.
Another important piece of suggestions is to save the backups on special storage not linked to your primary PC. For example, you may store it on the USB Flash Drive, or some external disk drive, or by using the cloud data storage services. Keeping the backups on your routine drive is really dangerous, given that the backup may likewise be encrypted by the Jjyy .
Leakages for the Jjyy ransomware attack.
Jjyy uses numerous paths to infiltrate the vulnerable computers. It is not certain what particular approach was used in your case, nevertheless, the intrusion may happen by means of the following channels:
- bundling with third-party programs, generally freeware;
- spam e-mails from the unidentified senders;
- websites providing complimentary hosting;
- P2P (peer-to-peer) torrent downloads.
There are times when the Jjyy may disguise itself as some authentic application, for example, through the deceptive alerts demanding installation of some software application update. This is the most common technique utilized by the scams to inject the Jjyy infection files into the system. By doing this users partially take part in its setup, without plainly comprehending the risk.
Additionally, the frauds may send out unsolicited spam e-mail with challenging signals encouraging individuals to open suspicious accessories or click on some download links, for instance, those encouraging individuals to open certain pictures, text files, tax files and other info.
No doubt, opening these files or clicking the destructive links may basically damage the system. Fake Media Player upgrade alerts may result in the Jjyy ransomware infiltration. Similarly, downloading the broken software might additionally include the ransomware installer. The last but not the least, setup of Jjyy may happen through some Trojan horses that might be set up stealthily into the system and without the user’s direct consent and even consent.
Avoiding the Jjyy ransomware attack.
Of course, there is no absolute warranty that your computer will be always devoid of any malware attacks, nevertheless, we want to share some beneficial ideas with you to make it much safer. Ensure to pay very attention while searching the web and particularly while downloading cost-free programs. Do not open any suspicious email accessories, particularly if the sender is not known to you.
Do not forget that specific freeware installer may also contain some other additional apps in the bundle. These extra applications may be very damaging. It is of utmost value to keep your anti-virus software application and your os in general to be constantly properly upgraded.
It is rather logical that downloading pirated programs is prohibited, nevertheless, in addition, such unauthorized apps usage might likewise bring severe damage to your PC. Thus, do not download any cracked programs. Plus, the fact that your current anti-virus did not secure the system from the Jjyy ransomware is an excellent factor for you to reassess your options and change to another program that can render the securing functions on a better level.
Below please find the quotation from the Jjyy 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 “.jjyy” extension added by the ransomware:”
Use GridinSoft Anti-Malware to remove Jjyy ransomware from your computer
1.Download GridinSoft Anti-Malware.
You can download 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 jjyy 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.
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