Here is more info on the Zotob.
How to remove Zotob?
Automated “FixZotob.exe” type tools from Symantec & Microsoft
What is the Zotob and what kind of damage can it do?
Not much.. unless it connects with the outside IRC.
Who created the Zotob?
Diabl0 (Turkey)
Why was Zotob created? bot wars?