Check the properties of these folders to see if they have extensions. Exe file. If these. Exe files are not real folders, they are all generated by viruses. Your normal files should be hidden by the virus. Open My Computer-Tools-Folder Options-Select Show All Files, and then clear the check mark in front of the hidden and protected operating system files to see if you can find your normal files. First of all, use anti-virus software to thoroughly kill viruses and delete all anomalies. Exe file, and then use the command to unhide the property. For example, cancel the hidden attribute of the folder 123 on disk D as Start-Run -cmd, and then enter Attrib/S/D D: 123-R-S-H to cancel the attribute.