RansomwareRemoval Guide

Remove Jester Virus – Filecoder Ransomware

Jester Virus – Details

The Jester stands for a ransomware-type infection. The infection comes from the Filecoder ransomware family. Jester was elaborated particularly to encrypt all major file types. As soon as the encryption is completed, Jester places a special text file into every folder containing the encrypted data.

The message given by Jester text file requesting for the ransom is absolutely the same as the statements given by other ransomware representatives coming from the Filecoder family. It actually points out that the info is encrypted and that the only way to restore it is to use a a special decryption key. Sadly, this is definitely true. The type of cryptography mechanism used by Jester is still not correctly examined. Still, it is definitely particular that each victim may be given the specific decryption key, which is absolutely distinct. It is impossible to bring back the files without the key available.

Another technique of Jester is that the victims cannot gain access to the key. The key is stored on a specific server run by the frauds related to Jester ransomware. To get the key and recover the important information people need to pay the ransom.

Nevertheless, regardless of the requested amount, people need to stay away from paying the virus. Cyber frauds are not fair, so they tend to entirely 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 absolutely nothing.

We highly advise that you do not contact these crooks and absolutely do not transfer money into their accounts. It is said to admit that there are no utilities able to crack Jester ransomware and to recover the information data for free. Therefore, the just right decision is to recover the lost information from the available backup.

Virus Summary

NameJester Ransomware
TypeRansomware
FamilyFilecoder
Short DescriptionThe 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.
SymptomsFile encryption by the ransomware is performed by means of the AES and RSA encryption algorithms.
Distribution MethodSpam Emails, Email Attachments
Removal Tool   GridinSoft Anti-Malware

Keep in mind that the internet is now overwhelmed with threats that look comparable to Jester ransomware. Malicious programs of such kind are usually elaborated to encrypt important information and to set forth the need before the user to pay the ransom. The peculiarity of all such ransomware threats is that all apply a comparable algorithm to generate the special decryption key for data decryption.

Hence, 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 method to prevent the loss of your important files is to regularly create backups of your important information.

Bear 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 Memory Stick or external hard disk for this purpose, or refer to the help of the cloud storage. If you store your backup files on your common system they may be encrypted in addition to other files, so it’s definitely not a good storage place.

How did ransomware infect my PC?

There are a number of methods used by online scams to distribute Jester ransom virus. Even though it is uncertain how precisely Jester injects your PC, there are some leaks through which it may penetrate the system:

  • integration with third-party apps, especially freeware;
  • spam e-mails from unknown senders;
  • sites rendering free hosting services;
  • pirated peer-to-peer (P2P) downloads.

Often Jester ransomware might be presented as some genuine software application, for example, in the pop-ups advising users to implement some essential software updates. This is the typical technique used by online scams to persuade people into downloading and installing Jester infection manually, by methods of their direct participation in the installation process.

In addition, the criminals may describe different e-mail spam tactics to inject malicious codes into Windows PC. So, they may describe to sending unsolicited spam e-mails with tricky notifications promoting users to download the attachments or click on certain download links, for example, the ones encouraging users to open some video, files, tax reports or invoices.

Needless to mention, opening such files or clicking on such dangerous links may badly damage the system. Fictitious Adobe Flash Player upgrade notifies may result in Jester ransom injection. As for the cracked software, these illegally downloaded programs may likewise consist of malicious codes leading to Jester secret installation. Lastly, injection of Jester may take place by ways of Trojans that privately get injected into the system and install harmful tools without the user’s permission.

Is there any method to prevent the injection of Jester ransom virus?

Despite the fact that there is no 100% guarantee to prevent your PC from getting infected, there are some pieces of guidance we wish to show with you. To start with, be really mindful when you browse the web and especially while downloading complimentary programs. Stay away from opening suspicious email attachments, especially when the sender of the email is not familiar to you.

Remember that some freeware installers may contain other unwanted utilities in the bundle, so they may be malicious. Make certain that your current antivirus and your entire OS is always appropriately updated.

Naturally, downloading pirated software is illegal and may lead to important damage to be produced your PC. Hence, stay away from downloading cracked software. You are likewise highly advised to reconsider your existing security software and potentially switch to another security solution that can render much better services of protecting your system.

Below please find the quotation from the Jester text file:

#OPdailyallowance.
Your files are encrypted.
To get the key to decrypt files, you have to pay $ 5.9 million.  
f the payment is not made tomorrow night, we will lock the entire system.
More instructions coming soon. - jester.
JESTER ACTUAL
There\'s an unequal amount of good and bad in most things. The trick is to figure out the ratio and act accordingly.

Use GridinSoft Anti-Malware to remove Jester 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.
GridinSoft Anti-Malware
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.
GridinSoft Anti-Malware Setup

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

GridinSoft Anti-Malware Install

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

GridinSoft Anti-Malware  Start

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.
GridinSoft Anti-Malware Scan

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.
GridinSoft Anti-Malware Scan Result

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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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