U盘加密解密程序.实际上是把U盘的文件批量重命名，这样即使U盘中毒了，但由于文件后缀的改变，这样就避免了感染。-U disk encryption and decryption process. In fact, U disk to bulk rename files, so even if the U disk poisoning, but due to the change file suffixes, so that to avoid infection.