Killing Email Zombie Virus: Purging 4000+ Emails

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A desktop was infected with a virus due to Norton failing to update its virus definitions, resulting in the system being turned into a spam-sending zombie. The virus, identified as backdoor.formador, has been removed by Norton, but over 4000 emails are still queued to be sent, causing ISPs to block all outgoing emails from the affected IP. These emails are not visible in Outlook, leading to confusion about their location. The user seeks advice on how to purge these emails. Recommendations include checking the operating system, disabling System Restore before virus removal, ensuring registry entries related to the virus are deleted, and installing a firewall for added security.
DaveC426913
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It looks like my desktop was infected with a virus due to a fault in Norton* that caused it to not update its virus definitions.

The virus turned the system into a zombie, sending out spam. Now many ISPs are identifying my IP as a source of spam and are refusing all email from me.

Norton found and purged a virus called backdoor.formador, so I think all that is behind me now, but I still have 4000+ emails that are trying to get sent from somewhere. (Norton continues to pop up a warning message for every one of these 4000+ emails, that's how I know they're still there).

See attached screengrab. The taskbar is showing each email that is waiting to be processed. So far there are only 8 or 10, but it will run through 4000+ of them.


They are not in Outlook; I don't know where these 4000 emails are sitting. Somewhere invisible. How can I purge these emails?

Or am I misunderstanding what I'm seeing?


* Yeah yeah ... "Norton? Pah. I don't use that piece of junk". Got it out of your system? OK, now move on.
 

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Dave,

What OS are you using (XP, 2000, ...)? I did a quick Google search and one thing that I noticed from the technical details on one was that the computer could be reinfected if you don't disable the System Restore feature before removal http://www.symantec.com/security_response/writeup.jsp?docid=2003-121018-1953-99&tabid=3".

I would also double-check that the registry entry noted in the removal instructions has actually been removed.
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run\"[TROJAN FILE NAME]" = "%System%\[TROJAN FILE NAME].exe"

Also, if you don't have a firewall on your computer, you should install one.
 
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