Unhide is a program that reverts back the changes made to your files and Windows Registry by the rogue.FakeHDD family of rogue anti-spyware program. This family of malware pretends to be a hard disk repair and system optimization program for Windows. In reality, though, these programs are computer infections that deliberately hide your files and change certain settings in the Windows Registry to make it appear that you have lost data on your hard drive. It will then prompt you to purchase the program to restore the data.
If you have a CD or DVD emulation software installed, it may make it harder to get accurate scan results when you scan your computer with a anti-rootkit scanner. Due to this it is wise to first disable these emulation programs before scanning your computer so that the scan results are more accurate.