If the bot is being blocked then the probability is that no information has been transfered. Also this type of programme is usually used for spamming/DOS attacks
But once the date of infection can be determined then the final call is up to the OP
Download OTS to your Desktop and double-click on it to run it
[*]Make sure you close all other programs and don’t use the PC while the scan runs.
[*]Select All Users
[*]Under additional scans select the following
Reg - Disabled MS Config Items
Reg - Drivers32
Reg - NetSvcs
Reg - SafeBoot Minimal
Reg - Shell Spawning
Evnt - EventViewer Logs (Last 10 Errors)
File - Lop Check
[*]Now click the Run Scan button on the toolbar. Make sure not to use the PC while the program is running or it will freeze.
[*]When the scan is complete Notepad will open with the report file loaded in it.
[*]Please attach the log in your next post.