One of the most common viruses to affect your system . This virus
automatically creates a folder within folder with the same name as of parent folder . It appears again and again even if you delete it a thousand number of times .

More info about this virus

Name of the threat: W32.Netsky.P@mm
Command or file name: FVProtect.exe
Threat type: Spyware\trojan
Affected OS: Win32 (Windows 9x, Windows XP, Windows Vista)

Intrusion Method

This threat copies its file(s) to your hard disk. Its typical file name is W32.Netsky.P@mm. Then it creates new startup key with name W32.Netsky.P@mm and value FVProtect.exe. You can also find it in your processes list with name FVProtect.exe or W32.Netsky.P@mm.