Re: Winlogon.exe chewing up CPU
- From: "PA Bear" <PABearMVP@xxxxxxxxx>
- Date: Thu, 24 Nov 2005 20:28:41 -0500
Sounds like a Vundo/WinFixer infection. At this time, no anti-malware tools can identify and remove all Vundo/Winfixer variants. You will have to post your HijackThis log to one of the above forums and take several steps to remove it, all under the guidance of someone experienced in this Bag Guy.
Checking for/Help with Hijackware http://aumha.org/a/parasite.htm http://aumha.org/a/quickfix.htm http://aumha.net/viewtopic.php?t=5878 http://wiki.castlecops.com/Malware_Removal_and_Prevention:_Introduction http://mvps.org/winhelp2002/unwanted.htm http://inetexplorer.mvps.org/data/prevention.htm http://inetexplorer.mvps.org/archive/tshoot.html http://www.mvps.org/sramesh2k/Malware_Defence.htm http://defendingyourmachine.blogspot.com/
When all else fails, HijackThis v1.99.1
(http://aumha.net/downloads/hijackthis.zip) is the preferred tool to use. It will help you to both identify and remove any hijackware/spyware. **Post your log to http://forums.spywareinfo.com/, http://castlecops.com/forum67.html or http://aumha.net/viewforum.php?f=30 for expert analysis, not here.**
--
~Robear Dyer (PA Bear)
MS MVP-Windows (IE/OE, Shell/User, Security), AH-VSOP
Barryco wrote:
My system is running very very slowly. A check of Task Manager shows that Winlogon.exe is continually using 50-60% of the CPU.
This happens regardless of which user account you log on to.
When you do a fresh reboot, logon to one account and then have nothing else running, good old Winlogon is sitting there chugging away - cycling around between System Idle process and WInlogon, CPU sitting around average 60% used with spikes up to 100%.
I have scanned for viruses, malware and nothing comes up. XP with SP2, all regular updates automatically applied, running eTrust AV and regular scans with Adaware and Spybot.
The system is unusable this state.
Suggestions welcome - thanks in advance.
.
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