Sorry for the late reply because I never thought that there was a page 2 of this thread, silly me
Okay I have done the Dr.Web CureIt scan and it found no virus in my pc. So it didn't produce any report. So does that mean my pc is free of any threats?
As for my colleague, he's still in progress of killing trojan downloaders and virus in his pc using the combofix suggested by your analyst :)