What is a .COOT file?
A file with the .coot extension is a type of file that has been locked and made inaccessible by a harmful computer program known as Coot ransomware. This ransomware is a specific version of malware related to the Djvu and Stop ransomware families, which first appeared around October 2019. When a file is encrypted by this ransomware, it is modified so that it cannot be opened or used in the usual way. Simply changing the file's extension will not reverse the encryption.
The .coot files could originally have been any common type of file such as documents, images, videos, or backup files. For instance, a file named "photo.jpg" would be renamed to "photo.jpg.coot" after encryption. Alongside encrypting files, the Coot ransomware also places a ransom note in the form of a text file (usually named _readme.txt) in the same folders as the encrypted files. This note explains that the files have been encrypted and provides instructions on how to contact the cybercriminals behind the attack to pay a ransom, typically demanding around $980 in Bitcoin, in exchange for a decryption tool to unlock the files.
Opening .coot files directly is not possible because they are encrypted. The primary method suggested for potentially restoring these files is through a system restore if backups were made before the infection occurred. However, it's important to note that dealing with ransomware typically involves complex issues related to data recovery and cybersecurity, and it might require professional assistance.
The Coot ransomware can infect computers through various deceptive methods such as downloading fake software, opening malicious email attachments, or clicking on compromised links. Common file types used to distribute the malware include executable files (.EXE), compressed archives (.RAR, .ZIP), and JavaScript files (.JS).
Due to the nature of the encryption, specialized software or professional services are generally required to recover the files, and there is no guarantee of success. It is advisable to maintain regular backups and employ robust security measures to protect against such ransomware infections.
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