About Qazx Ransomware:
|Contact||[email protected], [email protected]|
|Last seen||March 15, 2023|
|Algorithm||Salsa20 encryption. If Qazx cannot establish a connection to crooks server before starting the encryption process, it uses the offline key. This key is the same for all victims(!), making it possible to decrypt .qazx files in the future.|
|Ransom||From $490 to $980 (in Bitcoins)|
|Distribution||Third-party downloaders, installers, peer-to-peer networks, RDP exploits, etc.,|
|RSA Public Key||-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu/Cl5VAPHD7s0flHV9k4 KbqAfRUsAP/a+Qe/oq+LZX013wQniPGx0w0JvBWmz9qtyTu0zJNXyQ8aZ3Q6rdhT E0uDxuPIxeKCH3GF0iG6eflR3AJ6XvWbJooZ2YYmeSUdrHtW8axIKJEZwcVbli6Q k+mieKINfHpYwbJTRcG269pLVWTQEJhjjx/VVRVS4ocsbmtBxpiO0NbOlqlumXab s2SHWSS8YPLvxa4Ivm1BGfOLlf/0U4xXuuXJq0z1IZQmA98sv4OY9IhPe9U0bAf9 yuVIh3kP9aikZFiBOTH0iPpt98vkPpMFzOunx42BZuweF67t6AYdVP/NEVR/nPyb UwIDAQAB -----END PUBLIC KEY-----|
|Other variants|| |
Spectating that your files have a strange .qazx extension means that you are infected with Qazx ransomware. This dangerous virus extorts your money, previously encrypting the files you have on your computer. Crooks, who manage the spreading of this malware, ask for almost $1000 for file decryption. Fortunately, there are several other ways to solve the problem.
The decryption process after the Qazx virus attack must be conducted with special software. Manual attempts (with brute force, for example) will take too much time - 2^256 keys exist for the cipher that Qazx malware uses. You will spend more time than our planet existed and will approximately exist. Meanwhile, tools that are designed specially to decrypt the files after the ransomware attack can do it just in an hour.
System repairing must be conducted with other applications. Ransomware makes different changes in your Windows settings, which are all targeted at weakening your system. Reverting these changes is vital because otherwise, you will struggle to install the programs or connect to various websites. GridinSoft Anti-Malware performs the system recovery during the ransomware removal process.
It is also important to mention how you get a virus. Almost all STOP/Djvu families (and Qazx ransomware is its member) use the programs from untrustworthy sites as the main distribution way. People often use such sources as eMule, or ThePirateBay, to get a certain application for free. However, while making the programs usable without purchasing, hackers can freely add any malware. Exactly, Qazx ransomware is just a case.
The Qazx ransomware uses the Salsa20 encryption algorithm. That is not the strongest method, but it still provides an overwhelming amount of possible decryption keys. To brute force the 78-digit number of keys, you need 3.5 unvigintillion years (1*10^65), even if you use the most powerful regular PC. Quantum computers can show a bit better results, but it is still too slow to get your files back while you are alive.
The exact algorithm of encryption is next: malware scans each folder for the files it is able to encrypt. Then, when it finds the target, it makes a copy of your file, removes the original one, encrypts the copy and leaves it instead of the removed original. Such a procedure is done to prevent the situation when you have already opened the file, so ransomware is not able to read it because of the Windows restrictions. To each encrypted copy, the virus adds the specific extension - ".qazx". Then, ransomware creates a _readme.txt file in the folder where the encrypted file is located, and goes to the next folder.
Such an encryption method can be exploited for file recovery. Since the original file is deleted, you may try to recover it using the file recovery tools. The less time is passed - the bigger the chance to get your files back, so hurry up!
Another specific moment that can help you to use the files even after the encryption is the fact that Qazx ransomware encrypts only the first 150KB of each file. Hence, you can try to run a big file, such as video or music, without the encryption. Similar feature also works with other ransomware families - Dharma, Conti and Makop encrypt the same 150KB.
Ransom note: _readme.txt
Ransom note is the same for the whole ransomware family. In fact, it is one of the main signs of to which family the certain ransomware belongs. Here is the typical note for STOP/Djvu family:
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:
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:
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Indicators of Compromise(IOC)
|File Name||MD5||File Size|