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What is XFUN Ransomware

XFUN Ransomware is a type of malicious software designed to encrypt files on an infected computer, rendering them inaccessible until a ransom is paid. This ransomware appends the .XFUN extension to the encrypted files, making it easy to identify the affected files. Once XFUN ransomware infects a system, it encrypts the files and appends the “.XFUN” extension to them. For example, a file named “document.txt” would be renamed to “document.txt.XFUN”. The encryption algorithm used by XFUN ransomware is typically strong and secure, often employing AES (Advanced Encryption Standard) or RSA (Rivest-Shamir-Adleman) encryption, making decryption without the key extremely difficult. After encrypting the files, XFUN ransomware creates a ransom note !!== ReadMe ==!!.txt to inform the victim of the attack and provide instructions on how to pay the ransom to decrypt the files. The ransom note is usually placed in every folder containing encrypted files and may also be displayed as a pop-up window. The note typically includes a message stating that the files have been encrypted, instructions on how to pay the ransom (usually in cryptocurrency like Bitcoin), contact information for the attackers, and a warning not to attempt to decrypt the files using third-party tools.

!!== ReadMe ==!!.txt
What happened to my file!
Ransom Note
Subject: Urgent: Your Files Have Been Encrypted
Dear User?
We regret to inform you that all the files on your computer have been encrypted by a sophisticated ransomware attack. Your documents, photos, videos, and other important data are now inaccessible without the decryption key.
We are demanding a ransom in exchange for the decryption key. The payment must be made in bitcoins to the following wallet address: [Bitcoin Wallet Address]. The amount of the ransom is [Amount] bitcoins, which is equivalent to approximately [Amount in USD] USD.
You have 72 hours to make the payment. Failure to comply with our demand will result in the permanent loss of your files. We have encrypted your files using a strong encryption algorithm, and there is no other way to recover them without the decryption key.
We assure you that once the payment is received, we will provide you with the decryption key promptly. Do not attempt to decrypt the files yourself, as it may lead to irreversible damage.
To prove that we have the decryption key and can restore your files, you can send us one encrypted file, and we will decrypt it for you as a demonstration of our capability.
For payment instructions and further communication, please reply to this email. Do not involve law enforcement or attempt to trace this email, as it will only complicate the situation.
Time is of the essence. Act swiftly to secure the release of your files.
Sincerely, The Ransomware Team

As of now, there are no publicly available decryption tools specifically for XFUN ransomware. Victims are generally advised not to pay the ransom, as there is no guarantee that the attackers will provide the decryption key, and it encourages further criminal activity. To remove XFUN ransomware from an infected system, it is essential to isolate the infected computer from the network to prevent the ransomware from spreading. Employing reputable anti-ransomware or antivirus software to scan and remove the ransomware is crucial. Tools like Combo Cleaner can help detect and eliminate the ransomware. If a recent backup of the files is available, restoring the system to a state before the infection is advisable, ensuring that the backup is clean and not infected.

xfun ransomware

To protect against ransomware infections, consider several best practices. Maintaining regular backups of important data and storing them offline or in a secure cloud service is vital. Being cautious with email attachments and links, especially from unknown senders, can prevent many infections. Using up-to-date antivirus and anti-ransomware software is essential for protection. Keeping the operating system and software updated to patch vulnerabilities is another critical step. Disabling RDP if not needed, or using strong passwords and two-factor authentication, can also enhance security.

How XFUN Ransomware infects computers

XFUN Ransomware, like many other ransomware variants, typically spreads through several common vectors. One primary method is through email attachments, where malicious attachments in phishing emails are disguised as legitimate files such as PDFs, Word documents, or Excel spreadsheets. Another common vector is malicious URLs; clicking on these links in emails or on compromised websites can lead to ransomware downloads. Additionally, drive-by downloads, which occur when visiting a compromised website, can result in the automatic downloading and installation of ransomware. Exploiting weak Remote Desktop Protocol (RDP) credentials to gain access to a system and install ransomware is another method. Lastly, downloading and installing pirated software can also introduce ransomware to a system.

  1. Download XFUN Ransomware Removal Tool
  2. Get decryption tool for .XFUN 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 XFUN Ransomware

Download Removal Tool

Download Removal Tool

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

Alternative Removal Tool

Download Norton Antivirus

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

XFUN Ransomware files:

!!== ReadMe ==!!.txt

XFUN Ransomware registry keys:

no information

How to decrypt and restore .XFUN files

Use automated decryptors

Download Kaspersky RakhniDecryptor

kaspersky dharma ransomware decryptor

Use the following tool from Kaspersky called Rakhni Decryptor, that can decrypt .XFUN 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 .XFUN 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 XFUN 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 .XFUN 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 XFUN 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. XFUN 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, 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