Zatp Ransomware (.zatp Files)

Zatp 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 Zatp Ransomware:


NameZatp Virus
Version0598
File Extenstion.zatp
Contact[email protected], [email protected]
FamilySTOP/Djvu Ransomware
Note_readme.txt
Offline IDVW11mMMPfxPTr0epvPSw1m6GBzcKFb3H2Lm2nyt1
Last seenNovember 28, 2022
AlgorithmSalsa20 encryption. If Zatp 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 .zatp files in the future.
RansomFrom $490 to $980 (in Bitcoins)
Damage
  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----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2vSEIj+/WV3ULZx0nr1w LXjAgHjUAzDFK3Oa4jOVUdUqZlkp8834w2g4sZXgPyORi3Vo5Mb4/kpmCEOtsGN5 1x2WwE/vqFpXJ0s8IGzjAucN4O3B5HOHLrldCDi++yO/yS1ZfYyewwHRYXL0TfWX Z8EX8s8PhK5C++CxWXvCfxb1vWDSNpBk07pBHt2z0MbfHkddal6kVwaaMWmwCx5W axtGJnuXJQDHqUWge473hZsq336E03hEqB1Td9tSl8CwnoYrzKUAihXUQspggQ+f aQZRWqDQq0uGaiN+BlupnLLZM97OUtkEudtxoSxd4HRjX+rT6Qxwq5pPCeuSILsW fwIDAQAB -----END PUBLIC KEY-----
Other variants
  • Bozq Ransomware (.bozq encrypted files)
  • Bowd Ransomware (.bowd encrypted files)
  • Pozq Ransomware (.pozq encrypted files)
  • Zatp Ransomware (.zatp Files) - What is it? Keep Your Privacy Well

    Zatp ransomware busts the myth that you will never get a virus until you try to launch something dubious. This invades your system, encrypts the files, and then asks you to pay money to get your files back. Besides the fact that you cannot get your files, it also makes your security tools inaccessible.

    The encryption this malware uses to cipher your files is pretty strong, and it becomes even more assertive because the decryption key is kept on the remote server. Unfortunately, the fraudsters control this server, and the only way to get the key from this server is to pay the ransom (about $1000). Other forms of file decryption may help you, but the chances are pretty low, as statistics say.

    Besides the ciphering, Zatp ransomware also does some damage to other system elements. Nothing severe, but these changes are making your computer difficult to use. Inability to open specific sites, failures at the attempt to install antivirus programs - even some of the networking elements inside other programs may be corrupted. It is better to revert all these alterations as soon as possible.

    Zatp ransomware is usually spread through third-party websites that are offering to get some paid programs for free. Other parts of these sites are the so-called hack tool - cheat engines, keygens, and other things used to change the gaming process. Implementing the malware into these programs is effortless: people who create it have full access to the executable code. Adding the virus is just a question of who pays the hacker means more.

    Encryption process

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

    .ZATP 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 Zatp 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:

    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:
    https://we.tl/t-XIH9asXhHQ
    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]

    Reserve e-mail address to contact us:
    [email protected]

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    Indicators of Compromise(IOC)

    File NameMD5File Size
    ๐Ÿ“œ SAMPLE.EXEe4cae2a45bcc39307fac1025b6b6a0e7809472
    ๐Ÿ“œ SAMPLE.EXEb97a1ccc6515bce1ff1d1fd4641e3cfe820224
    ๐Ÿ“œ SAMPLE.EXE2805a187b13306011efe8823bb1ec914820224
    ๐Ÿ“œ SAMPLE.EXEcabe0c2434ba222dcfa1208e03253061803840
    ๐Ÿ“œ SAMPLE.EXE3caf6ae4c11e9dd04d07a6cef7580931803840
    ๐Ÿ“œ SAMPLE.EXE34c4961242e6e8cb236a180aa6b8ab3f820736
    ๐Ÿ“œ SAMPLE.EXE89c6c129856eb2ed5154f4084a9aa8f2803840
    ๐Ÿ“œ SAMPLE.EXEab7f22fe5772e07ec2a6c4aa7c5a2ad7803840
    ๐Ÿ“œ SAMPLE.EXEd76a8159811fe02b23fa20d3a58e9bea804352
    ๐Ÿ“œ SAMPLE.EXE45845632b2c5b7636e3ef3532edeab26803840