WIN32\Filecoder.CryptoProjectXXX is an obvious ransomware and it is able to infect all the files on your PC. Although you may have applied perfect security on your PC, it can still invade into because it is able to avoid the detection and it can make this security stop functioning. If you can recognize it once it enters, please uproot it immediately. If not, please find the solution in the following articles.
How does WIN32\Filecoder.CryptoProjectXXX get its name?
WIN32\Filecoder.CryptoProjectXXX is famous for its scams. It is capable of encrypting all the files and then changing their extension name by adding .ccc, .vvv, .locky, .micro and so on. In this way, they cannot be opened directly. In the same time, it will leave you a blackmail files to require you to contact them for helps and of course you should pay ransom for the decryption key.