Pozq Ransomware (.pozq Files)

Pozq Ransomware uses the Salsa20 encryption algorithm. This STOP/Djvu family is one of the most popular infection!

You may be interested in taking a look at our other antivirus tools:
Trojan Killer, Trojan Scanner.

About Pozq Ransomware:

NamePozq Virus
File Extenstion.pozq
Contact[email protected], [email protected]
FamilySTOP/Djvu Ransomware
Offline IDoq4l7AoeQAT1wLV4c2ModKTOluU7sQaRllQplQt1
Last seenOctober 27, 2022
AlgorithmSalsa20 encryption. If Pozq 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 .pozq files in the future.
RansomFrom $490 to $980 (in Bitcoins)
  1. โฎž Can delete Volume Shadow copies to make victimโ€™s attempts to restore data impossible;
  2. โฎž Adds a list of domains to HOSTS file to block access to certain security-related sites;
  3. โฎž Installs password-stealing Trojan, like Redline Stealer, Vidar Stealer, Smokeloader, Azorult and others;
DistributionThird-party downloaders, installers, peer-to-peer networks, RDP exploits, etc.,
RSA Public Key-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwgzSsNcSgZN+v8EZRKiU rQN/TexRXnuLLnyN76tyjEtykwE01m0du30nwY2cJ6igA+q1+TEai/60lWZc3Q5I K7Xlgi5yNLfaaSo/ivvaHOrALfBQ6sEOWSDHIrk4ULaw5BcVSdFWkK99tu6pffeh hPABysMXVGJ5WkRdalcj9gbS6SYNU2+v7Yug5Zklw4cWrX0CzR7z1KhDur3Idc2e m2CaOvYXW0Sd1cFw4AAp2PbSeA2p+mRIjUIDT1ItA2u4cl7OhIY9NxjdFtSPdRJ3 a6HuQPDbQ1ygJ4z+F4eWIpx5UV5dtO2erabcnU8kLXo7jWifWRxldSWO/B56yIjV awIDAQAB -----END PUBLIC KEY-----
Other variants
  • Powd Ransomware (.powd encrypted files)
  • Nury Ransomware (.nury encrypted files)
  • Nuis Ransomware (.nuis encrypted files)
  • Pozq Ransomware (.pozq Files) - What is it? Keep Your Privacy Well

    Pozq virus is a ransomware-type that belongs to a STOP/Djvu family. Like any other ransomware, it is aimed at your money. This malware encrypts your files with a strong cipher and then asks you to pay the ransom (~$1000) for file decryption. To prevent the file decryption by the alternative ways, Pozq virus makes some changes to your system.

    These changes are related to the security settings. First, malware stops your Microsoft Defender and blocks the third-party security tool if you have one. Then, it changes the Group Policies to block the launch of the installation files of antivirus programs. The final step is blocking access to websites that contain information about file decryption and malware removal. These changes may affect PC usage in the future, so it is better to remove them as soon as possible.

    A few words about the spreading ways of Pozq ransomware: this virus did not appear out of nowhere - you have likely installed it together with a program of some sort. โ€œFreeโ€ programs, which must originally be paid, are created by unknown users. During the hacking process, they are free to add whatever to the executable code of their product - spyware, coin miners, ransomware, or stealer. It is better to avoid such risks, especially when you cannot punish those persons through the police, for example.

    Encryption process

    The Pozq 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 - ".pozq". Then, ransomware creates a _readme.txt file in the folder where the encrypted file is located, and goes to the next folder.

    .POZQ Files

    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 Pozq 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:
    [email protected]

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    Indicators of Compromise(IOC)

    File NameMD5File Size
    ๐Ÿ“œ SAMPLE.EXE228c8eb91f844d89235c7bc80ad57a85216064
    ๐Ÿ“œ SAMPLE.EXE1b83ea49f3d408af5e2f2121bb812893142459
    ๐Ÿ“œ SAMPLE.EXEe770e396e4332680013dc48dbed7142b1273856
    ๐Ÿ“œ SAMPLE.EXEdd8457835f04be9260f12955580f7d72215552
    ๐Ÿ“œ SAMPLE.EXE47f913162c41fbbb8d4df6dd8db678b1215552
    ๐Ÿ“œ SAMPLE.EXE824ff4f4dee50edcdffa47005b5e94a3215552
    ๐Ÿ“œ SAMPLE.EXE628c75f61ea69dddf4701be60aa7ec4a220672
    ๐Ÿ“œ SAMPLE.EXEa11fc514c1a5ffa7be8c5009adb01c72216576
    ๐Ÿ“œ SAMPLE.EXEe178bd591240bb82c86fd462c2746520333824
    ๐Ÿ“œ SAMPLE.EXE7a3c34f502556fbd89465e834c612cdf333824