You can find out more about T1 & T3 speeds here
What speeds are T1/T3, etc. for LW, & also this
More on LW connection speeds
Those files are viruses I suspect. They may be multiplying. Can I ask you to go to Norbies site & post on his forum following his instructions to do a report using Hijackthis & post it for him. See
NorbiesWorld (click on link) I don't know if you're infected but you do have such files on your computer.
In future ignore all files less than 1 MB (1,000 KB) in size.