apri OTL, copia e incolla nel box bianco quanto segue:

:OTL
SRV - (SsupdService) -- C:\Users\Faustinella\AppData\Local\ssupd\ssupd.exe (SsupdService)
IE - HKU\S-1-5-19\SOFTWARE\Microsoft\Internet Explorer\Main,Start Page = http://search.findeer.com
IE - HKU\S-1-5-20\SOFTWARE\Microsoft\Internet Explorer\Main,Start Page = http://search.findeer.com
FF - HKLM\Software\MozillaPlugins\@pandonetworks.com/PandoWebPlugin: C:\Program Files\Pando Networks\Media Booster\npPandoWebPlugin.dll
O4 - HKU\S-1-5-21-3648529074-1189552540-3825541386-1000..\Run: [Snoozer] C:\Users\Faustinella\AppData\Roaming\Snz\Snz.exe

:Files
C:\Users\Faustinella\AppData\Local\SoftwareUpdater
C:\Users\Faustinella\AppData\Local\ssupd
C:\Users\Faustinella\AppData\Roaming\Snz
ipconfig /flushdns /c

:reg
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\ open\command]
""=""%1" %*"

:commands
[purity]
[emptytemp]
[Emptyjava]
[RESETHOSTS]
[EMPTYFLASH]
[start explorer]
[Reboot]

...........premi RUN FIX. ........posta il log.

(se non dovesse funzionare, prova in modalità provvisoria: copiati lo script in blocco note, da collocare sul desktop).

disabilita questi due servizi: softwareupdService e ssupdService