.ODIN File Extension

Locky Ransomware Encrypted File

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What is an ODIN file?

An ODIN file is a file encrypted by the Locky virus, a trojan horse created by cybercriminals that target Windows users. It contains a user's file, such as a .WMV or .PDF file, encrypted with RSA algorithm and AES-256 encryption. ODIN files became prevalent in 2016 and are similar to .LOCKY files.

More Information

The Locky virus is hazardous malware that people commonly refer to as ransomware. The purpose of the virus is to take your files hostage and force you to pay the perpetrator (by way of Bitcoin) to unlock your files.

The virus is a trojan horse typically introduced through a file attached to a spam email. Once the virus affects your computer, it scrambles, renames, and encrypts your files. The virus then generates "_HOWDO_text.bmp," "_HOWDO_text.html," and "_[2_digit_number]_HOWDO_text.html" files that contain instructions informing you of the takeover and what you need to do to recover your files.

How to open an ODIN file

There is no program currently available to effectively restore files encrypted by the Locky Virus. If you back up your files, you can execute a full system restore.


FileInfo.com recommends you never pay a ransom to decrypt files encrypted by ransomware. Paying a ransom encourages ransomware distributors to continue their efforts, and there is no guarantee that paying a ransom will give you access to your files. Instead, you should restore your data from a recent backup created before the ransomware infected your computer.

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Programs that open ODIN files

System Restore

Verified by FileInfo.com

The FileInfo.com team has independently researched the Locky Ransomware Encrypted file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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