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What is Defi Ransomware

Defi Ransomware represents a significant threat in the realm of cybersecurity. This particular ransomware, part of the Makop family, operates by encrypting the victim’s files and appending a distinctive extension to their names. For instance, original filenames are modified by adding a unique ID, the attackers’ email address, and a .defi[random] extension, making the files inaccessible. On our test system, a file named photo.jpg was transformed into photo.jpg.[random-ID].[wewillrestoreyou@cyberfear.com].defi1328. Post encryption, the ransomware drops a ransom note in a text file named +README-WARNING+.txt, which typically appears on the desktop. The cybercriminals behind Defi ransomware request a ransom payment for the decryption key, promising to provide the decryption tool and warning against using third-party software, which they claim could result in permanent data loss.

+README-WARNING+.txt
::: Greetings :::
Little FAQ:
.1.
Q: Whats Happen?
A: Your files have been encrypted. The file structure was not damaged, we did everything possible so that this could not happen.
.2.
Q: How to recover files?
A: If you wish to decrypt your files you will need to pay us.
.3.
Q: What about guarantees?
A: Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests.
To check the ability of returning files, you can send to us any 2 files with SIMPLE extensions(jpg,xls,doc, etc... not databases!) and low sizes(max 1 mb), we will decrypt them and send back to you. That is our guarantee.
.4.
Q: How to contact with you?
A: You can write us to our mailboxes: wewillrestoreyou@cyberfear.com or wewillrestoreyou@onionmail.org
.5.
Q: How will the decryption process proceed after payment?
A: After payment we will send to you our scanner-decoder program and detailed instructions for use. With this program you will be able to decrypt all your encrypted files.
.6.
Q: If I don t want to pay bad people like you?
A: If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause only we have the private key. In practice - time is much more valuable than money.
:::BEWARE:::
DON'T try to change encrypted files by yourself!
If you will try to use any third party software for restoring your data or antivirus solutions - please make a backup for all encrypted files!
Any changes in encrypted files may entail damage of the private key and, as result, the loss all data.

Paying the ransom does not guarantee data recovery, as many victims report not receiving decryption keys even after payment. Currently, no free decryption tools are available for Defi Ransomware, largely due to its use of robust encryption algorithms. These encryption methods are so sophisticated that without the proper decryption key, recovering your files is nearly impossible. The best course of action to combat files with the .defi[random] extension is to restore them from a previously created backup. If a backup is unavailable, you may attempt to use data recovery tools, such as Recuva, which can sometimes recover un-encrypted versions of the files. However, this method is not foolproof. It’s crucial to maintain up-to-date backups and cybersecurity measures to prevent future ransomware infections and avoid being placed in a precarious situation where data is at the mercy of cybercriminals.

How Defi Ransomware infects computers

Defi Ransomware infiltrates computers primarily through sophisticated phishing campaigns, malicious email attachments, and deceptive download links. Cybercriminals often disguise the malware as legitimate files or bundle it with seemingly benign software, tricking users into executing the malicious payload. Once activated, Defi Ransomware exploits system vulnerabilities and security gaps to gain access and initiate the encryption process. Additionally, it can spread through compromised websites, drive-by downloads, and malicious advertisements, further increasing its reach. The ransomware may also utilize trojans and backdoors to stealthily infiltrate systems, making it essential for users to maintain robust cybersecurity practices and regularly update their software to mitigate the risk of infection.

  1. Download Defi Ransomware Removal Tool
  2. Get decryption tool for .defi[random] 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 Defi Ransomware

Download Removal Tool

Download Removal Tool

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

Alternative Removal Tool

Download Norton Antivirus

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

Defi Ransomware files:


README-WARNING+.txt
{randomname}.exe

Defi Ransomware registry keys:

no information

How to decrypt and restore .defi[random] files

Use automated decryptors

Download Kaspersky RakhniDecryptor

kaspersky dharma ransomware decryptor

Use the following tool from Kaspersky called Rakhni Decryptor, that can decrypt .defi[random] 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 .defi[random] 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 Defi 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 .defi[random] files

stellar data recovery professional

  1. Download Stellar Data Recovery Professional.
  2. Click Recover Data button.
  3. Select the type of files you want to restore and click Next button.
  4. Choose the 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 a 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 are no items in the list, choose an alternative method.

Using Shadow Explorer:

  1. Download Shadow Explorer program.
  2. Run it, and you will see a 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 an 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 Defi 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. Defi 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