Hidden Files Not Shown

Recently virus programmers are becoming smart. A worm w32.USBWorm which attacked and banned Orkut, has left one more problem. (Here are the steps to remove w32.USBWorm). You will not be able to see the hidden files. Even if you change the setting in the folder options, it will not show the hidden files. So here are the steps to remove that problem and make the hidden files appear as before.

1. Go to Start --> Run, then type Regedit

2. Navigate to the registry folder HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\Hidden\SHOWALL
3. Find a key called CheckedValue.

4. Double Click CheckedValue key and modify it to 1. This is to show all the hidden files.

Now you should be able to view all the hidden files, and also to alter its status from folder options.

This is where I found the solution.

UPDATE:
If the virus is still present, this solution may not work permanently. Once you restart the PC, the hidden files will be concealed once again. I recommend using Avast antivirus, but remember to change security level from Medium to High after you install it.