It has some how saved itself in one of your system restore points. Disable system restore from the system properties under control panel, should take care of things. After your sure it has been removed. Turn system restore back on.
Trojan Downloader is one of the most dangerous threats. Once this threat is infected with your computer, it is necessary to remove Trojan Downloader at once. There are some tips on how to remove and prevent Trojan Downloader from your PC below.
http://www.ca.com/us/securityadvisor/virusinfo/virus.aspx?ID=62504
Dropper.small is a Trojan downloader
purity scan ac - http://www.symantec.com/security_response/writeup.jsp?docid=2003-090516-2325-99&tabid=3
format
with avast! antivirus 4.8
virus virus
t4tttt
hacking
download more trojans and attack your files.
Trojan downloader is I think spyware so get spyware doctor or a strong antivirus.
How do I get rid of this Virus?