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What is Udaigen Ransomware

Udaigen Ransomware is a type of malware that encrypts files and demands payment for decryption. It adds its specific extension .jcrypt, to every file it encrypts. Unfortunately, there are no known decryption tools for Udaigen Ransomware at this time. The encryption method used by this ransomware is currently unknown. To prevent further encryption by Udaigen ransomware, it is essential to remove it from the operating system. However, removing the ransomware will not restore the compromised files. The only solution is to recover the files from a previously created backup stored in a different location. We highly recommend storing backups in multiple separate locations, such as remote servers or unplugged storage devices, to prevent permanent data loss. Malware creates ransom note ___RECOVER__FILES__.jcrypt.txt and displays pop-up window with information to contact the hackers.

___RECOVER__FILES__.jcrypt.txtUDAIGEN window message
All of your files have been encrypted.
To unlock them, please send 2 bitcoin(s) to BTC address: 35tNmAJqbWwPHGLZT15eQthyP7AwT1DNiv
Afterwards, please email your transaction ID to: udai@membermail.net
Being a lazy bit*h isn't going to get your files back.
Encryption Log:
----------------------------------------
UDAIGEN
Your files (count: -) have been encrypted!
In order to recover your data...
Please send 2 Bitcoin(s) to the following BTC address:
35tNmAJqbWwPHGLZT15eQthyP7AwT1DNiv
E-mail your transaction ID to the following address:
udai@membermail.net

The ransom notes found in both pop-up windows and text files contain similar information. These messages inform the victim that their files have been encrypted and provide instructions to transfer 2 BTC (Bitcoin cryptocurrency) in order to decrypt the inaccessible data. It is generally impossible to decrypt the files without the attackers’ intervention. In rare cases, decryption may be possible if the malware is still under development or has significant flaws. It is strongly advised against complying with the ransom demands, as data recovery is not guaranteed. Cyber criminals often do not provide the necessary decryption keys or tools, and paying the ransom only supports their illegal activities. There are no known decryption tools for Udaigen Ransomware at this time. However, it is important to keep antivirus software up to date and to regularly back up important files to prevent data loss.

How Udaigen Ransomware infected your computer

Udaigen Ransomware is typically spread through email attachments or by exploiting security flaws in software. It can also be spread through malicious websites or by downloading infected files from peer-to-peer networks. Once it infects a computer, it encrypts all user’s data on the computer, including images, text files, Excel sheets, audio files, videos, and more.

  1. Download Udaigen Ransomware Removal Tool
  2. Get decryption tool for .jcrypt files
  3. Recover encrypted files with Stellar Data Recovery Professional
  4. Restore encrypted files with Windows Previous Versions
  5. Restore files with Shadow Explorer
  6. How to protect from threats like Udaigen Ransomware

Download Removal Tool

Download Removal Tool

To remove Udaigen Ransomware completely, we recommend you to use SpyHunter 5 from EnigmaSoft Limited. It detects and removes all files, folders, and registry keys of Udaigen Ransomware. The trial version of SpyHunter 5 offers virus scan and 1-time removal for FREE.

Alternative Removal Tool

Download Norton Antivirus

To remove Udaigen Ransomware completely, we recommend you to use Norton Antivirus from Symantec. It detects and removes all files, folders, and registry keys of Udaigen Ransomware and prevents future infections by similar viruses.

Udaigen Ransomware files:


___RECOVER__FILES__.jcrypt.txt
{randomname}.exe

Udaigen Ransomware registry keys:

no information

How to decrypt and restore .jcrypt files

Use automated decryptors

Download Kaspersky RakhniDecryptor

kaspersky dharma ransomware decryptor

Use following tool from Kaspersky called Rakhni Decryptor, that can decrypt .jcrypt files. Download it here:

Download RakhniDecryptor

There is no purpose to pay the ransom because there is no guarantee you will receive the key, but you will put your bank credentials at risk.

Dr.Web Rescue Pack

Famous antivirus vendor Dr. Web provides free decryption service for the owners of its products: Dr.Web Security Space or Dr.Web Enterprise Security Suite. Other users can ask for help in the decryption of .jcrypt files by uploading samples to Dr. Web Ransomware Decryption Service. Analyzing files will be performed free of charge and if files are decryptable, all you need to do is purchase a 2-year license of Dr.Web Security Space worth $120 or less. Otherwise, you don’t have to pay.

If you are infected with Udaigen Ransomware and removed from your computer you can try to decrypt your files. Antivirus vendors and individuals create free decryptors for some crypto-lockers. To attempt to decrypt them manually you can do the following:

Use Stellar Data Recovery Professional to restore .jcrypt files

stellar data recovery professional

  1. Download Stellar Data Recovery Professional.
  2. Click Recover Data button.
  3. Select type of files you want to restore and click Next button.
  4. Choose location where you would like to restore files from and click Scan button.
  5. Preview found files, choose ones you will restore and click Recover.
Download Stellar Data Recovery Professional

Using Windows Previous Versions option:

  1. Right-click on infected file and choose Properties.
  2. Select Previous Versions tab.
  3. Choose particular version of the file and click Copy.
  4. To restore the selected file and replace the existing one, click on the Restore button.
  5. In case there is no items in the list choose alternative method.

Using Shadow Explorer:

  1. Download Shadow Explorer program.
  2. Run it and you will see screen listing of all the drives and the dates that shadow copy was created.
  3. Select the drive and date that you want to restore from.
  4. Right-click on a folder name and select Export.
  5. In case there are no other dates in the list, choose alternative method.

If you are using Dropbox:

  1. Login to the DropBox website and go to the folder that contains encrypted files.
  2. Right-click on the encrypted file and select Previous Versions.
  3. Select the version of the file you wish to restore and click on the Restore button.

How to protect computer from viruses, like Udaigen Ransomware , in future

1. Get special anti-ransomware software

Use ZoneAlarm Anti-Ransomware

Famous antivirus brand ZoneAlarm by Check Point released a comprehensive tool, that will help you with active anti-ransomware protection, as an additional shield to your current protection. The tool provides Zero-Day protection against ransomware and allows you to recover files. ZoneAlarm Anti-Ransomware is compatible with all other antiviruses, firewalls, and security software except ZoneAlarm Extreme (already shipped with ZoneAlarm Anti-Ransomware) or Check Point Endpoint products. The killer features of this application are: automatic file recovery, overwrite protection that instantly and automatically recovers any encrypted files, file protection that detects and blocks even unknown encryptors.

Download ZoneAlarm Anti-Ransomware

2. Back up your files

idrive backup

As an additional way to save your files, we recommend online backup. Local storage, such as hard drives, SSDs, flash drives, or remote network storage can be instantly infected by the virus once plugged in or connected to. Udaigen Ransomware uses some techniques to exploit this. One of the best services and programs for easy automatic online backup is iDrive. It has the most profitable terms and a simple interface. You can read more about iDrive cloud backup and storage here.

3. Do not open spam e-mails and protect your mailbox

mailwasher pro

Malicious attachments to spam or phishing e-mails are the most popular method of ransomware distribution. Using spam filters and creating anti-spam rules is good practice. One of the world leaders in anti-spam protection is MailWasher Pro. It works with various desktop applications and provides a very high level of anti-spam protection.

Download MailWasher Pro
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James Kramer
Hello, I'm James. My website Bugsfighter.com, a culmination of a decade's journey in the realms of computer troubleshooting, software testing, and development. My mission here is to offer you comprehensive, yet user-friendly guides across a spectrum of topics in this niche. Should you encounter any challenges with the software or the methodologies I endorse, please know that I am readily accessible for assistance. For any inquiries or further communication, feel free to reach out through the 'Contacts' page. Your journey towards seamless computing starts here