Nzqw Ransomware Encrypts Victims' Files

During the analysis of malicious software samples, our team came across the Nzqw ransomware, which is a member of the Djvu malware family. Upon compromising a computer, Nzqw encrypts a variety of files and appends the ".nzqw" extension to their original file names. For example, a file previously called "1.jpg" would be changed to "1.jpg.nzqw", and "2.png" would be altered to "2.png.nzqw", and so forth.

Apart from file encryption, Nzqw also generates a ransom note found as a text file named "_readme.txt". Furthermore, the distribution of Nzqw might involve collaboration with other malware such as Vidar and RedLine, which are focused on stealing information. The ransom note contained within the "_readme.txt" file highlights that the decryption process relies on specialized decryption software and a unique key. The recipients of this note are directed to get in touch with the attackers via provided email addresses (support@freshmail.top or datarestorehelp@airmail.cc) to receive additional instructions.

Additionally, the ransom note presents two different amounts, specifically $980 and $490, implying that victims might be able to obtain the decryption tools at a discounted rate if they establish contact with the attackers within a 72-hour window.

Nzqw Ransom Note Demands $980 in Ransom

The full text of the Nzqw ransom note goes as follows:

ATTENTION!

Don't worry, you can return all your files!
All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:
hxxps://we.tl/t-E4b0Td2MBH
Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that's price for you is $490.
Please note that you'll never restore your data without payment.
Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours.

To get this software you need write on our e-mail:
support@freshmail.top

Reserve e-mail address to contact us:
datarestorehelp@airmail.cc

Your personal ID:

How Can Ransomware Infect Your System?

Ransomware can infect your system through various methods, often exploiting vulnerabilities or human actions. Here are some common ways ransomware can infect a system:

• Email Attachments: Cybercriminals may send malicious emails containing infected attachments. When users open these attachments, the ransomware is executed and starts encrypting files on the system.
• Phishing Links: Ransomware can be delivered through phishing emails with links to malicious websites. Clicking on these links can lead to the download and execution of ransomware.
• Malicious Downloads: Downloading files or software from untrustworthy sources, such as cracked software or unofficial websites, can introduce ransomware to your system.
• Exploit Kits: Exploit kits target vulnerabilities in software applications or operating systems. If your system isn't up-to-date with the latest security patches, ransomware can be delivered through these vulnerabilities.
• Malvertising: Malicious advertisements, or malvertisements, can contain code that triggers ransomware downloads when clicked. These ads can appear on legitimate websites.
• Drive-by Downloads: Visiting compromised websites can lead to "drive-by" downloads, where malicious code is silently downloaded and executed on your system.
• USB Drives and External Devices: Infected external devices like USB drives can spread ransomware if connected to your system. Auto-run features on these devices can execute the ransomware upon connection.
• Malicious Macros: Ransomware can be embedded in documents that contain malicious macros. When users enable macros, the ransomware is executed.