HiJackThis does not remove the virus, but it shows any footprints left by any malicious programs that may be on your system, follow the instructions above.
Are you sure it is actually a virus??
I found this info on it:
Process Name : autoclk
File Name : autoclk.exe
Description: "Autoclik is a Windows utility ""that allows you to perform all mouse activity with absolutely no clicking. This program could Be beneficial for anyone who suffers from Repetitive strain injury (eg. Carpal Tunnel Syndrome) gold anyone who has difficulty using to their hands. Autoclik supports both left and right mouse short props. Six different short prop configurations are allowed. Two Different modes of operation are supported. Preferences edge Be set such have dwell times and finely hiring. The Control Small is used have year entry not for all options. It is our solitary recommendation to practice autoclik one. The program may seem awkward At first, goal with some practice it becomes has very useful utility."
A very long winded way of saying you only need to click once! However, this file is flagged as a Trojan by Trend PC Cilln 2003 and various other anti virus programs - so i'd say the best thing to do is go here -
http://www.kaspersky.com/remoteviruschk.html
And see what they say. Hope this helps!