Tcvp Ransomware (.tcvp Files)

Tcvp 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 Tcvp Ransomware:


NameTcvp Virus
Version0604
File Extenstion.tcvp
Contact[email protected], [email protected]
FamilySTOP/Djvu Ransomware
Note_readme.txt
Offline IDJBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1
Last seenNovember 19, 2022
AlgorithmSalsa20 encryption. If Tcvp 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 .tcvp 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----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuNixGwtDpr1lo/tK0cbW NVKgJhI+1WOhfRcsXdM19vutS1xf+C8UnWpOJy8uqKxqI6I7qAx9TBtMb9V4MnqE smyH9Z2Q1RsQ7DJjWCyapEUK8Bjg3Ywe1i8hFKdWJFGsCodLT0bqpZI0bCAYwuYw SB8pSBdNfvb0L2iSS/TxEFk+6Rg9WSyTfy9FlpghWPgOtOKSx3CcT7kplM4ICh0z wh5OqPuVNY9/Hz9XuLLF18cOS5GeDWJtm0HQsVc9PpE1iK7mhKQ7rIgcSMUmLa0/ ojl5yJtL9wGHRpH0B6UxbqoRT/mlMlP1pch2pvTX9Z/EagSgBBpfVRYqN+Mcqaqj OwIDAQAB -----END PUBLIC KEY-----
Other variants
  • Fate Ransomware (.fate encrypted files)
  • Fatp Ransomware (.fatp encrypted files)
  • Zate Ransomware (.zate encrypted files)
  • Tcvp Ransomware (.tcvp Files) - What is it? Keep Your Privacy Well

    Tcvp ransomware is a virus that is worth being afraid of. It encrypts your files and asks for a ransom, and also crushes several vital system elements. Struggling to open certain web pages, inability to make the But the knowledge of who is your enemy is 50% of the wind upon this enemy.

    The Salsa20 encryption algorithm, which is used by ransomware, is almost impossible to โ€œhackโ€. The key length is too big, and the total amount of possible keys is huge, so any kind of brute force will require too much time (or an unreally powerful computer). Trying to use the already compromised decryption keys is a way, but the efficiency of apps that offer such a function is pretty low.

    Ransomware gets on your PC, not through magic. Tcvp ransomware uses dubious programs as the primary method of its distribution. โ€œFreeโ€ versions of popular apps, cheat engines, Windows activators, and keygens are the most popular shells for all STOP/Djvu ransomware families, and the Tcvp virus is not an exclusion. Paying a small sum for a license is much easier than paying almost $1000 for the file decryption.

    Encryption process

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

    .TCVP 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 Tcvp 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-bpYXr2m3kI
    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.EXEcd3516fa3410082d9ac362cdb39d9993843264
    ๐Ÿ“œ SAMPLE.EXE6f60b9997d06030dba66cb6906052770849408
    ๐Ÿ“œ SAMPLE.EXE02117002dd6e40b919ff3b59a2f3cf1b849920
    ๐Ÿ“œ SAMPLE.EXE34251f80c0eafef197df655b43a292ad856064
    ๐Ÿ“œ SAMPLE.EXE2342255d4fd1cde9dceccdcca9b5fc97856576
    ๐Ÿ“œ SAMPLE.EXE4231545241e13cc64ba19731efa890e9856064
    ๐Ÿ“œ SAMPLE.EXEb67cf2b982f4094508f421068df76b94855552
    ๐Ÿ“œ SAMPLE.EXE914fffe5e986d4442adbf92c042ba5e7856064
    ๐Ÿ“œ SAMPLE.EXEce409409d45ed291fd548e63f27e9e3c856576
    ๐Ÿ“œ SAMPLE.EXE4e9ec43befddba3f2072202b50f028c8856576