I couldn’t do a check of the previous files because as soon as Avast detected them I had them deleted by Avast. But i was sure there would be more if I continued updating and yes there they were.

12/11/2004 7:13:11 PM SYSTEM 536 Sign of “Win32:Rbot-EE [Trj]” has been found in “C:\WINNT\system32\winole.exe” file.

I uploaded this one to JOTTI and here is what it says:
File: winole.exe
Status: INFECTED/MALWARE
Packers detected: MOLEBOX

AntiVir Worm/RBot.RT (0.20 seconds taken)
Avast Win32:Rbot-EE (3.01 seconds taken)
BitDefender Backdoor.Rbot.RP (0.34 seconds taken)
ClamAV Trojan.Spybot-79 (0.34 seconds taken)
Dr.Web Win32.HLLW.MyBot (0.50 seconds taken)
F-Prot Antivirus W32/Spybot.AWJ (0.06 seconds taken)
Kaspersky Anti-Virus Backdoor.Win32.Rbot.gen (0.62 seconds taken)
mks_vir Trojan.Rbot.Gen (0.20 seconds taken)
NOD32 Win32/Rbot.AEF (0.37 seconds taken)
Norman Virus Control No viruses found (4.77 seconds taken)