Thanks a lot! I did all the steps mentioned here, however, my Malwarebytes' scan crashed while scanning System32 (I tried it two times, it crashed in the same place, I think after vbscript.dll). Before this, it found 2 infections. I verified the location of mshta.exe, and it is indeed in the right place.
SUPERAntiSpyware Scan Log
http://www.superantispyware.comGenerated 10/08/2010 at 01:14 AM
Application Version : 4.44.1000
Core Rules Database Version : 5652
Trace Rules Database Version: 3464
Scan type : Complete Scan
Total Scan Time : 05:06:12
Memory items scanned : 258
Memory threats detected : 0
Registry items scanned : 6634
Registry threats detected : 0
File items scanned : 121413
File threats detected : 91
Adware.Tracking Cookie
C:\Documents and Settings\Test\Cookies\test@adecn[4].txt
C:\Documents and Settings\Test\Cookies\test@invitemedia[2].txt
C:\Documents and Settings\Test\Cookies\test@CAJCRDOA.txt
media1.clubpenguin.com [ C:\Documents and Settings\Test\Administrator\Application Data\Macromedia\Flash Player\#SharedObjects\JLENZMLC ]
.doubleclick.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.bs.serving-sys.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.serving-sys.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.serving-sys.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.serving-sys.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.serving-sys.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.serving-sys.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.serving-sys.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.ads.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.ads.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.ads.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.ads.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.ads.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.ads.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.ads.pointroll.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
stats.gamestop.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.atdmt.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.atdmt.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.collective-media.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.dmtracker.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.content.yieldmanager.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.myroitracking.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.adserving.contextualmarketplace.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.adserving.contextualmarketplace.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.apmebf.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.mediaplex.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.mediaplex.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.adlegend.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.adlegend.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.gaiainteractive.112.2o7.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.msnportal.112.2o7.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.atdmt.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.atdmt.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.tripod.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.adtech.de [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.fastclick.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.revsci.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.commonsensemedia.org [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
adserver.adreactor.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
adserver.overclock.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.2o7.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.statcounter.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
statse.webtrendslive.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.fastclick.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.fastclick.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.statcounter.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
optimize.indieclick.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.media6degrees.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.media6degrees.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.2o7.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.statcounter.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
ad.zanox.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.advertising.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.kontera.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.kontera.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.kontera.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.kontera.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.media6degrees.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.media6degrees.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.media6degrees.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.bravenet.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.imrworldwide.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.imrworldwide.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
us.sitestat.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
us.sitestat.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.mvtracker.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.mvtracker.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
adult.megaden.net [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
.mediafire.com [ C:\Documents and Settings\Test\Administrator\Application Data\Mozilla\Firefox\Profiles\ffecz3sr.default\cookies.sqlite ]
a.ads2.msads.net [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
ads2.msads.net [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
b.ads2.msads.net [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
cdn.insights.gravity.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
cdn2.themis-media.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
cdn4.specificclick.net [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
ia.media-imdb.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
media.ign.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
media.mtvnservices.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
media1.break.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
mediaforgews.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
msnbcmedia.msn.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
s0.2mdn.net [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
secure-us.imrworldwide.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
udn.specificclick.net [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]
www.soundclick.com [ C:\Documents and Settings\Test\Application Data\Macromedia\Flash Player\#SharedObjects\5W7AWC7P ]