Odin ransomware is new cryptographic virus from family of Locky and Zepto ransomware. It uses system process (rundll32.exe) to execute and encrypt user files. Usually, infection affects user personal files such as documents, photos, videos and music. In this version virus adds .odin extension and modifies filename, changing it to random set of numbers and letters. Virus creates 3 files: _5_HOWDO_text.html, _HOWDO_text.bmp, and _HOWDO_text.html. Image file is used as desktop background and contains text with instructions to pay the ransom.