Jack – General Info
The Jack stands for a ransomware-type infection. The virus comes from the DHARMA ransomware family. Jack was elaborated particularly to encrypt all major file types. As quickly as the encryption is finished, Jack places a special text file into every folder containing the encrypted data.The message given by Jack text file requesting for the ransom is definitely the same as the statements given by other ransomware representatives belonging to the DHARMA type. It literally mentions that the info is encrypted and that the only way to bring back it is to use a a distinct decryption key. Sadly, this is absolutely true. The kind of cryptography mechanism applied by Jack is still not properly examined. Still, it is definitely particular that each victim might be given the specific decryption key, which is totally distinct. It is difficult to bring back the files without the key available.
Jack encrypted your documents, but that might not be the only damage done to you. The ransomware might still be hidingon your computer. To identify whether this holds true, we suggest downloading GridinSoft Anti-Malware.
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Another trick of Jack is that the victims cannot gain access to the key. The key is saved on a particular server run by the frauds associated with Jack ransomware. To get the key and recover the important information people need to pay the ransom.
Nonetheless, irrespective of the requested amount, people need to stay away from paying the ransom. Cyber frauds are unfair, so they tend to completely disregard what their victims feel about the problem, even when the payment reaches their pockets. This is why paying the ransom typically does not provide any positive result and people just lose their money for nothing.
We strongly advise that you do not contact these crooks and certainly do not transfer money into their accounts. It is said to admit that there are no utilities able to crack Jack ransomware and to recover the data data for free. Therefore, the just right decision is to recover the lost information from the available backup.
Virus Summary
| Name | Jack Ransomware |
| File Extension | .jack Crypted Files |
| Type | Ransomware |
| 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 and RSA encryption algorithms. Once the encryption is completed, the ransomware adds its special jack extension to all the files modified by it. |
| Distribution Method | Spam Emails, Email Attachments |
| Removal Tool | GridinSoft Anti-Malware |
Remember that the internet is now overwhelmed with threats that look similar to Jack ransomware. Malicious programs of such kind are usually elaborated to encrypt essential data and to set forth the demand prior to the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a comparable algorithm to create the unique decryption key for information decryption.
Thus, as long as the ransomware is still being developed or has some hidden bugs, by hand recovering the information is simply not feasible. The only way to avoid the loss of your important files is to frequently create backups of your important information.
Keep in mind that even if you create such backups, they must be put into a special storage utility not connect to your main computer. You may use the USB Memory Stick or external hard disk drive for this purpose, or refer to the help of the cloud storage. If you save your backup files on your common system they may be encrypted together with other files, so it’s certainly not a good storage place.
How did ransomware infect my system?
There are a number of methods used by online frauds to distribute Jack ransom virus. Even though it is uncertain how precisely Jack injects your system, there are some leaks through which it may penetrate the system:
- integration with third-party software, especially freeware;
- spam e-mails from unknown senders;
- sites rendering free hosting services;
- pirated peer-to-peer (P2P) downloads.
Often Jack virus might exist as some legitimate software, for instance, in the pop-ups instructing users to carry out some important software updates. This is the typical trick used by online frauds to persuade people into downloading and installing Jack infection manually, by means of their direct participation in the installation process.
In addition, the criminals may refer to different email spam techniques to inject malicious codes into PC. So, they may refer to to sending unsolicited spam e-mails with tricky notices promoting users to download the attachments or click on certain download links, for example, the ones motivating users to open some video, files, tax reports or invoices.
Needless to mention, opening such documents or clicking on such dangerous links may badly harm the PC. Fictitious Adobe Flash Player update alerts may result in Jack ransom injection. When it comes to the cracked applications, these illegally downloaded programs may likewise include harmful codes resulting in Jack secret installation. Lastly, injection of Jack may occur by methods of Trojans that secretly get injected into the system and install destructive utilities without the user’s approval.
Is there any method to avoid the injection of Jack ransomware?
Despite the fact that there is no 100% guarantee to prevent your system from getting infected, there are some pieces of guidance we wish to share with with you. First off, be really mindful when you surf the web and particularly while downloading totally free apps. Keep away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.
Bear in mind that some freeware installers may include other unwanted utilities in the bundle, so they may be malicious. Ensure that your current antivirus software and your entire operating system is always appropriately updated.
Naturally, downloading pirated software is unlawful and may result in necessary damage to be produced your PC. Hence, stay away from downloading cracked software. You are also highly encouraged to reconsider your existing security software and perhaps switch to another security solution that can render much better services of protecting your computer.
Screenshot of encrypted files by Jack Ransomware:
Use GridinSoft Anti-Malware to remove Jack 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.
