In the meantime I deleted the entries found by adwcleaner.
here the malware description I found online
http://www1.avira.com/it/support-threats-description/tid/5496/tlang/itand now the last log:
# AdwCleaner v1.408 - Logfile created 02/05/2012 at 21:49:12
# Updated 29/01/2012 by Xplode
# Operating system : Windows Vista (TM) Home Premium Service Pack 2 (32 bits)
# Option [Search]
***** [Services] *****
***** [Files / Folders] *****
***** [Registry] *****
***** [Internet Browsers] *****
-\\ Internet Explorer v9.0.8112.16421
[OK] Registry is clean.
-\\ Mozilla Firefox v10.0 (it)
Profile : 73b02pu3.default
File : C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\73b02pu3.default\prefs.js
[OK] File is clean.
*************************
AdwCleaner[R2].txt - [1221 octets] - [05/02/2012 21:32:12]
AdwCleaner[S1].txt - [1382 octets] - [05/02/2012 21:33:09]
AdwCleaner[R3].txt - [888 octets] - [05/02/2012 21:49:12]
########## EOF - C:\AdwCleaner[R3].txt - [1015 octets] ##########
_______________
I merk that a lot people have this malware, see please the mozilla forum too and other...
then
appdata\local\temp folder cleaned. (more than 6000 files)
c:\windows\Temp cleaned. (more than 2000 files)
Please let me know when I will be allowed to run your 4 steps again, after whitelisting process by the experts.
I guess all will be fine!!

