Blue Ransomware: Dealing With File Encryption

Ransomware is a type of malicious software designed to block access to a computer system or its files until a ransom is paid. This form of malware typically encrypts files, rendering them inaccessible to the user, and then demands payment for the decryption key. Ransomware attacks can have severe consequences, including financial loss, data loss, and operational disruptions.

Blue Ransomware

Blue Ransomware is a particularly notorious variant in the ransomware family. Once it infiltrates a system, it follows a series of malicious actions that are typical of ransomware attacks but with some distinctive features.

Installation and Execution: Blue Ransomware often infiltrates systems through phishing emails, malicious attachments, or compromised software downloads. Once installed, it performs several actions:

1. Encryption: Blue Ransomware begins by scanning the system for files with specific extensions. It then encrypts these files using strong encryption algorithms, making them inaccessible to the user. Encrypted files typically have their extensions changed; for example, you might see extensions like .blue or .locked indicating that the files are encrypted.
2. Ransom Note: After encryption, Blue Ransomware leaves a ransom note on the infected system. This note provides instructions on how to pay the ransom and demands payment in cryptocurrency, such as Bitcoin, to maintain anonymity. The note usually includes threats of permanent data loss if the ransom is not paid within a certain timeframe.

Consequences: The primary consequence of Blue Ransomware is the inaccessibility of important files and data. The affected system becomes unusable until the ransom is paid and the decryption key is obtained, which may not always be provided even after payment.

Ransom Note Details

The ransom note left by Blue Ransomware is typically a text file placed on the desktop or in multiple directories of the infected system. It generally includes:

• Payment Instructions: Details on how to purchase and send the ransom payment using cryptocurrency.
• Threats: Warnings that failure to pay the ransom within a specified time frame will result in permanent data loss or increased ransom demands.
• Contact Information: Email addresses or other communication channels for negotiating with the attackers.

Text in this ransom note:

All your files have been encrypted!
All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail givebackdata@mail.ru
Write this ID in the title of your message –
In case of no answer in 24 hours write us to this e-mail:getmydata@inbox.ru
You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the tool that will decrypt all your files. 
Free decryption as guarantee
Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) 
How to obtain Bitcoins
The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click ‘Buy bitcoins’, and select the seller by payment method and price. 
hxxps://localbitcoins.com/buy_bitcoins 
Also you can find other places to buy Bitcoins and beginners guide here: 
hxxp://www.coindesk.com/information/how-can-i-buy-bitcoins/ 
Attention!
Do not rename encrypted files. 
Do not try to decrypt your data using third party software, it may cause permanent data loss. 
Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Purpose and Risks of Ransomware

The primary purpose of ransomware like Blue Ransomware is financial gain. By locking users out of their own files and demanding payment for restoration, attackers exploit their victims’ urgent need to regain access to their data. Ransomware poses significant risks, including:

• Financial Loss: Paying the ransom does not guarantee that the attackers will provide the decryption key.
• Data Loss: There is a risk of permanent data loss if the ransom is not paid or if the decryption tool provided by the attackers is ineffective.
• Operational Disruption: For businesses, ransomware can lead to significant operational disruptions and financial losses.

Symptoms of Blue Ransomware Infection

1. Inaccessible Files: Files on your system become inaccessible and may have a changed extension.
2. Ransom Note: A ransom note appears on your desktop or in several directories.
3. Performance Issues: Your system may experience slowdowns or other performance problems due to the encryption process.

Detection Names

To identify Blue Ransomware or similar threats, you can look for the following detection names:

• Trojan-Ransom.Win32.Blue
• Ransom:Win32/BlueCrypt
• BlueLock
• BlueCrypter

Similar Threats

Similar ransomware threats you may encounter include:

• WannaCry: A well-known ransomware that targets Windows systems and demands Bitcoin payments.
• Locky: Known for encrypting a wide range of file types and demanding ransoms in Bitcoin.
• Cryptolocker: This ransomware encrypts files and demands payment in Bitcoin or other cryptocurrencies.

Removal Guide

1. Disconnect from the Internet: To prevent further communication with the ransomware servers, disconnect your computer from the internet.
2. Boot in Safe Mode: Restart your computer and enter Safe Mode by pressing F8 or Shift+F8 during startup. Safe Mode loads only essential system processes.
3. Delete Ransomware Files: Open Task Manager (Ctrl+Shift+Esc) and terminate any suspicious processes. Locate and delete the ransomware files from the following locations:
   • Temp Folder: C:\Users[Your Username]\AppData\Local\Temp\
   • Startup Folder: C:\Users[Your Username]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\
   • Program Files Folder: C:\Program Files[Ransomware Name]\
4. Remove Registry Entries: Press Win+R, type regedit, and press Enter. Navigate to the following keys and delete any entries related to Blue Ransomware:
   • HKEY_CURRENT_USER\Software[Ransomware Name]
   • HKEY_LOCAL_MACHINE\Software[Ransomware Name]
5. Restore Files: Use backup copies to restore encrypted files. If no backup is available, consider using file recovery software or contacting a professional data recovery service.
6. Install Anti-Malware Software: Download and install SpyHunter. Run a full system scan to ensure all traces of Blue Ransomware are removed.

Preventive Measures

To prevent future ransomware attacks:

• Regular Backups: Regularly back up your files to an external drive or cloud storage.
• Update Software: Keep your operating system and all software up to date with the latest security patches.
• Use Antivirus Software: Install and maintain reputable antivirus software to detect and block threats.
• Be Cautious with Emails: Avoid opening attachments or clicking links in unsolicited emails.

For comprehensive protection and malware removal, consider downloading SpyHunter. It offers a free scan to identify potential threats and can help you remove Blue Ransomware and other malicious software.