How to disable a Facebook spam virus
On your profile, don’t just delete the wall post. Instead, click on the ‘‘ x’’ to the right of the post and select to remove or block the app.
Go to your privacy settings, click ‘‘ edit settings for apps and websites’’ and make sure the spammy app is disabled or deleted. If it’s still there, click the ‘‘ x’’ again.
If your account was compromised due to a compromised computer, run virus/ spyware/ malware software and change your passwords only after your computer is clean.