Threat Database Ransomware '.kukaracha File Extension' Ransomware

'.kukaracha File Extension' Ransomware

By GoldSparrow in Ransomware

Threat Scorecard

Threat Level: 20 % (Normal)
Infected Computers: 122
First Seen: November 21, 2016
Last Seen: June 13, 2023
OS(es) Affected: Windows

The '.kukaracha File Extension' Ransomware and numerous other variants in the same family of ransomware are currently being used in attacks against computer users. The '.kukaracha File Extension' Ransomware identifies the files that have been corrupted in the attack with the extension '.kukaracha.' The '.kukaracha File Extension' Ransomware uses a typical encryption ransomware Trojan attack, encrypting the victim's files and demanding the payment of a ransom from the victim. The '.kukaracha File Extension' Ransomware may be distributed using corrupted spam email attachments. The corrupted files being used to distribute the '.kukaracha File Extension' Ransomware have been identified in many cases as files disguised as spreadsheet documents through the use of double extensions (to mask the corrupted file's real extension).

The Infection Vectors that may be Used by the '.kukaracha File Extension' Ransomware

PC security analysts strongly advise computer users to take steps to confirm the origin of any email attachments they receive before they open and run them. Even if the email appears to come from a trusted source, PC security researchers advise computer users to confirm via a phone call or in person if there seems to be anything suspicious about the email or email attachment before opening it. The '.kukaracha File Extension' Ransomware seems to be targeted towards computer users in Russia. The '.kukaracha File Extension' Ransomware uses an AES-256 encryption algorithm to make the victim's files inaccessible. Once the '.kukaracha File Extension' Ransomware has encrypted the victim's files, identifying them with the addition of the before mentioned extension, they cannot be opened without the decryption key.

How the '.kukaracha File Extension' Ransomware Carries out Its Attack

The '.kukaracha File Extension' Ransomware will encrypt all data on the victim's computer, including data contained on local drives, removable storage and shared folders. Once the '.kukaracha File Extension' Ransomware has encrypted the victim's data, it drops its ransom note in the form of text and HTA files, which display a pop-up message. The following message has been associated with variants of the '.kukaracha File Extension' Ransomware:

'ВАШИ ФАЙЛЫ БЫЛИ ЗАШИФРОВАНЫ!
Если вы хотите их восстановить то отправьте один из пострадавших файлов и файл Кеу.Ып (из любой папки с зашифрованными файлами) на е-mai1: the [email address] Если вы не получили ответа в течение суток то скачайте с сайта https://www.torproject.org/download/download-easy.html.en ТОР браузер и зайдите с его помощью на сайт [site on the Dark Web] - там будет указан действующий почтовый ящик.
Iопытки самостоятельно расшифровать файлы приведут к их безвозвратной порче!'

The text of this message translated into English reads as follows:

'Your files have been encrypted!
If you want to restore them, send one of the affected files and Key. Your file (from any folder with encrypted files) by e-mai1: [email address] If you have not received a response within a day then download from the website https: / /www.torproject.org/download/download-easy.html.en TOР browser and use it to load the website [site on the Dark Web] - there will be indicated the current mailbox.
Independent attempt at decrypting the files will lead to their irrevocable damage!'

Dealing with a '.kukaracha File Extension' Ransomware Infection

If your files have been encrypted by the '.kukaracha File Extension' Ransomware, PC security analysts strongly advise against paying the '.kukaracha File Extension' Ransomware's ransom. There is little likelihood that the people responsible for the '.kukaracha File Extension' Ransomware attack will return the victim's access to their files. In many cases, they will simply ask for more money or ignore the victim completely. Instead of paying the '.kukaracha File Extension' Ransomware ransom, malware analysts advise computer users to restore the affected files from a backup location. Having backups of all files is the best protection against ransomware like the '.kukaracha File Extension' Ransomware, completely undermining the whole purpose of the '.kukaracha File Extension' Ransomware attack. A reliable security program and good email handling protocols also should be used to prevent the '.kukaracha File Extension' Ransomware attacks.

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