In this example, we want to delete the keylogger file that resides in the system32 directory (we wish malware was so easily identified). As with most files in this directory, the permissions deny us access to the file so we can't delete it even with administrative privileges.
To change permissions or a file or folder perform the following steps:
In Explorer, right-click on the folder name or file name and select Properties.
Click on the Security Tab.
In the Groups or user names box, select the group that fits. For example Administrators.
Click on the Advanced button.
Select the Group or Users who you wish to change the permissions. You may need to be an Administrator to make these changes.
Click on Edit button.
Another almost identical screen appears with a few additional options (not shown). Click the Edit button again. Now you can actually make the changes necessary!
In the lower Permissions for SYSTEM
box, change the permissions. For example, to provide full control, make sure a checkmark appears in the Allow column for Full Control and remove checkmarks in the Deny column if present.
With the permissions set correctly, click on Ok .
Within some folders (but not all) you'll get a warning message. Be sure to click Yes or your changes will be discarded!
FaultWire Staff Posted: 9-May-2012
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