File Extension _CRYPT

._CRYPT File

File extension: _CRYPT
File type: Encrypted Document


Notes about the _CRYPT file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The _CRYPT file type is primarily associated with 'Virus.Win32.Gpcode.ak'. Gpcode.ak encrypts files with various extensions including, but not limited, to .doc, .txt, .pdf, .xls, .jpg, .png, .cpp, .h and more using an RSA encryption algorithm with a 1024-bit key. After Gpcode.ak encrypts files on the victim machine it changes the extension of these files to ._CRYPT and places a text file named !_READ_ME_!.txt in the same folder. In the text file the criminal tells the victims that the file has been encrypted and offers to sell them a decryptor. Anti-virus companies suggest that you NOT turn the infected computer off and that they be contacted using another computer to assist you in an attempted decryption.

Detailed information for file extension _CRYPT:


Primary association: Virus.Win32.Gpcode.ak
Related links: Kaspersky Lab Gpcode.ak Article



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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