Have an infection that is showing up from eTrust Anti-Virus as "Kastem.Q" I have not been able to find any information on this trojan.
Spybot Advisor Team
I wish the antivirus companies would try to call these things by the same name.
There is a description of Kastem Q here:
Nothing found at Symantec for what it is also known as(Trojan-Downloader.Win32.Alphabet.gen).
At Sophos,Troj/DwnLdr-GUI has an alias of Trojan-Downloader.Win32.Alphabet.gen:
There's a malware removal forum section here,if you need help.
The instructions for it are here: