AVG Antirvirus is not detecting any infections.
Last weekend, *before* I read the instruction threads here or registered here, I did run Combofix (I now know this was a mistake) and it did find two infected files (winlogon.exe and explorer.exe) and replaced them with copies from the original installation backup files. The symptoms went away for about a week, but have returned today. Now that I've read the instructions here I am not going to run any tools until directed by you fine, knowledgeable folks.
OS: Windows XP SP3
Any advice/guidance would be really appreciated.
Edited by Xian, 05 November 2011 - 12:00 PM.