Check this out and see if you can find the *.dll file that's the culprit.
Most likely scumware.
What's the suspicious Rundll32.exe process?
http://www.mvps.org/sramesh2k/rundll32.htm
First. Make sure of these settings and nothing will install without you
answering YES. (Except what may install as part of some other software.)
Don't click YES if you don't know/trust the source.
Start | Settings | Control Panel | Internet Options | Advanced tab |
Make sure both of these are NOT checked.
Enable Install On Demand (Internet Explorer)
[[Specifies to automatically download and install Internet Explorer
components if a Web page needs them in order to display the page properly or
perform a particular task.]]
Enable Install On Demand (Other)
[[Specifies to automatically download and install Web components if a Web
page needs them in order to display the page properly or perform a
particular task.]]
Apply | OK
Enable Install On Demand (Other)
Is part of the driveby downloading of unwanted programs. i.e. Scumware or
whatever will install w/o you even being aware of it.
=================================
Second. If you need a scan right now.
Follow the instructions!
THE PARASITE FIGHT QUICK FIX PROTOCOL
http://aumha.org/a/quickfix.php
======================
Third.
It is known as scumware. Visit these sites. 1, 2, 3 and 4 are really good.
Download, install, run, update and run again; one or all. They are all
good, FREE utilities. Make sure you update every program, even if you
just downloaded it. You must have the latest updates.
1) CWShredder direct download:
http://216.180.233.163/~merijn/files/CWShredder.exe
2) SpywareBlaster
[[SpywareBlaster doesn't scan and clean for spyware - it prevents it from
ever being installed.
The most important step you can take is to secure your system. And
SpywareBlaster is the most powerful protection program available.]]
http://www.javacoolsoftware.com/spywareblaster.html
3) Spybot S & D
http://www.safer-networking.org/index.php?lang=en&page=download
4) HijackThis (some other stuff that may be of interest also)
http://www.spywareinfo.com/~merijn/downloads.html
4a) HijackThis (direct download)
http://aumha.org/downloads/hijackthis.zip
5) Bazooka Adware and Spyware Scanner v1.13
http://www.kephyr.com/spywarescanner/index.html?source=appvisit
6) ToolbarCop
http://www.mvps.org/sramesh2k/toolbarcop.htm
7) Ad-aware
http://www.lavasoft.de/support/download/
===============
Problems uninstalling? Here's some advice.
http://www.kephyr.com/spywarescanner/uninstallproblems.phtml
Additional information & instructions.
A wealth of information here, boys and girls.
THE PARASITE FIGHT QUICK FIX PROTOCOL
http://aumha.org/a/quickfix.htm
THE PARASITE FIGHT
Finding, Removing & Protecting Yourself From Scumware
http://aumha.org/a/parasite.htm
Bugs, Glitches & Stuffups
http://www.mvps.org/inetexplorer/Darnit.htm
Dealing with Unwanted Spyware and Parasites
http://mvps.org/winhelp2002/unwanted.htm
Unexplained computer behavior may be caused by deceptive software
http://support.microsoft.com/default.aspx?scid=kb;EN-US;827315#appliesto
Spyware and Deceptive Software
http://www.microsoft.com/mscorp/twc/privacy/spyware.mspx?gssnb=1
What you should know about spyware
http://www.microsoft.com/security/articles/spyware.asp
Cleaning Up XP
http://www.kellys-korner-xp.com/xp_c.htm#cleanup