Ciao,
anch'io ho avuto esattamente lo stesso problema del primo post nel forum.
Ho seguito la procedura che avete indicato e in di seguito il risultato della scansione.
Scan result of Farbar Recovery Scan Tool (FRST) (x64) Version: 02-02-2013
Ran by SYSTEM at 02-02-2013 17:32:20
Running from F:\
Windows 7 Ultimate (X64) OS Language: Italian Standard
The current controlset is ControlSet001
==================== Registry (Whitelisted) ===================
HKLM\...\Run: [Acer ePower Management] C:\Program Files\Acer\Acer ePower Management\ePowerTray.exe [832544 2010-01-18] (Acer Incorporated)
HKLM-x32\...\Run: [SunJavaUpdateSched] "C:\Program Files (x86)\Common Files\Java\Java Update\jusched.exe" [248552 2010-05-14] (Sun Microsystems, Inc.)
HKLM-x32\...\Run: [MobileConnect] C:\Program Files (x86)\Vodafone\Vodafone Mobile Connect\Bin\MobileConnect.exe /silent [2499584 2010-01-19] (Vodafone)
HKLM-x32\...\Run: [Adobe ARM] "C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" [946352 2012-12-03] (Adobe Systems Incorporated)
HKLM-x32\...\Run: [MDS_Menu] "C:\Program Files (x86)\Olympus\ib\MUITransfer\MUIStartMenu.exe" "C:\Program Files (x86)\Olympus\ib" UpdateWithCreateOnce "Software\OLYMPUS\ib\1.0" [220336 2010-07-01] (CyberLink Corp.)
HKLM-x32\...\Run: [Olympus ib] "C:\Program Files (x86)\Olympus\ib\olycamdetect.exe" /Startup [93360 2010-09-30] (OLYMPUS IMAGING CORP.)
HKLM-x32\...\Run: [HP Software Update] C:\Program Files (x86)\HP\HP Software Update\HPWuSchd2.exe [49208 2011-05-10] (Hewlett-Packard)
HKLM-x32\...\Run: [] [x]
HKLM-x32\...\Run: [avgnt] "C:\Program Files (x86)\Avira\AntiVir Desktop\avgnt.exe" /min [348664 2012-08-13] (Avira Operations GmbH & Co. KG)
HKLM-x32\...\Run: [StartCCC] "C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun [641664 2012-04-06] (Advanced Micro Devices, Inc.)
HKLM-x32\...\Run: [AMD AVT] Cmd.exe /c start "AMD Accelerated Video Transcoding device initialization" /min "C:\Program Files (x86)\AMD AVT\bin\kdbsync.exe" aml [10752 2012-02-20] ()
HKU\ANNA\...\Run: [DAEMON Tools Lite] "C:\Program Files (x86)\DAEMON Tools Lite\DTLite.exe" -autorun [1305408 2011-01-20] (DT Soft Ltd)
HKU\ANNA\...\Run: [Skype] "C:\Program Files (x86)\Skype\Phone\Skype.exe" /nosplash /minimized [16945032 2011-01-26] (Skype Technologies S.A.)
HKU\ANNA\...\Run: [Olympus ib] "C:\Program Files (x86)\Olympus\ib\olycamdetect.exe" /Startup [93360 2010-09-30] (OLYMPUS IMAGING CORP.)
HKU\ANNA\...\Winlogon: [Shell] explorer.exe,C:\Users\ANNA\AppData\Roaming\skype.dat [110592 2010-10-27] ()
HKLM\...D6A79037F57F\InprocServer32: [Default-fastprox] C:\$Recycle.Bin\S-1-5-18\$e60f0a6ace53fa1bdc6be994ba3cda9f\n. ATTENTION! ====> ZeroAccess
Tcpip\Parameters: [DhcpNameServer] 192.168.0.1
Tcpip\..\Interfaces\{FAC74E8A-196B-4D5D-8006-43A1F29BE166}: [NameServer]208.67.222.222,208.67.220.220
Startup: C:\Users\All Users\Start Menu\Programs\Startup\HP Digital Imaging Monitor.lnk
ShortcutTarget: HP Digital Imaging Monitor.lnk -> C:\Program Files (x86)\HP\Digital Imaging\bin\hpqtra08.exe (Hewlett-Packard Co.)
==================== Services (Whitelisted) ===================
2 AntiVirSchedulerService; "C:\Program Files (x86)\Avira\AntiVir Desktop\sched.exe" [86224 2012-08-13] (Avira Operations GmbH & Co. KG)
2 AntiVirService; "C:\Program Files (x86)\Avira\AntiVir Desktop\avguard.exe" [110032 2012-08-13] (Avira Operations GmbH & Co. KG)
2 SBSDWSCService; C:\Program Files (x86)\Spybot - Search & Destroy\SDWinSec.exe [1153368 2009-01-26] (Safer Networking Ltd.)
2 VMCService; "C:\Program Files (x86)\Vodafone\Vodafone Mobile Connect\Bin\VMCService.exe" [9216 2010-01-19] (Vodafone)
==================== Drivers (Whitelisted) =====================
2 avgntflt; C:\Windows\System32\Drivers\avgntflt.sys [98848 2012-08-13] (Avira GmbH)
1 avipbb; C:\Windows\System32\Drivers\avipbb.sys [132832 2012-08-13] (Avira GmbH)
1 avkmgr; C:\Windows\System32\Drivers\avkmgr.sys [27760 2012-02-03] (Avira GmbH)
3 EZUSB; C:\Windows\System32\DRIVERS\ezusb64.sys [33792 2009-11-25] (Castles Technology Co.,Ltd)
3 onda_lq_cdc_acm; C:\Windows\System32\Drivers\onda_lq_cdc_acm.sys [78848 2011-03-25] (Onda Communication S.p.A)
3 onda_lq_cdc_ecm; C:\Windows\System32\Drivers\onda_lq_cdc_ecm.sys [52736 2011-03-25] (Onda Communication S.p.A)
3 onda_lq_cpo; C:\Windows\System32\Drivers\onda_lq_cpo.sys [14336 2011-03-25] (Onda Communication S.p.A)
3 onda_lq_ecm_enum; C:\Windows\System32\Drivers\onda_lq_ecm_enum.sys [53248 2011-03-25] (Onda Communication S.p.A)
3 onda_lq_ecm_enum_filter; C:\Windows\System32\Drivers\onda_lq_ecm_enum_filter.sys [53248 2011-03-25] (Onda Communication S.p.A)
0 sptd; C:\Windows\System32\Drivers\sptd.sys [513080 2011-02-08] (Duplex Secure Ltd.)
3 SWDUMon; C:\Windows\System32\Drivers\SWDUMon.sys [13920 2013-02-02] ()
3 IntcAzAudAddService; C:\Windows\System32\drivers\RTKVHD64.sys [x]
==================== NetSvcs (Whitelisted) ====================
==================== One Month Created Files and Folders ========
2013-02-02 17:32 - 2013-02-02 17:32 - 00000000 ____D C:\FRST
2013-02-02 00:22 - 2013-02-02 00:30 - 00000000 ___AD C:\Kaspersky Rescue Disk 10.0
2013-02-01 15:59 - 2013-02-02 17:20 - 00000004 ____A C:\Users\ANNA\AppData\Roaming\skype.ini
2013-01-16 15:19 - 2013-01-16 15:19 - 00002851 ____A C:\Users\ANNA\Desktop\IMG00103-20111001-1624.jpg - collegamento.lnk
==================== One Month Modified Files and Folders =======
2013-02-02 17:32 - 2013-02-02 17:32 - 00000000 ____D C:\FRST
2013-02-02 17:22 - 2009-07-14 06:08 - 00000006 ___AH C:\Windows\Tasks\SA.DAT
2013-02-02 17:22 - 2009-07-14 05:51 - 00052366 ____A C:\Windows\setupact.log
2013-02-02 17:20 - 2013-02-01 15:59 - 00000004 ____A C:\Users\ANNA\AppData\Roaming\skype.ini
2013-02-02 17:20 - 2011-02-06 15:09 - 00000408 ____A C:\Windows\Tasks\SlimDrivers Startup.job
2013-02-02 17:20 - 2011-02-05 19:04 - 02073240 ____A C:\Windows\WindowsUpdate.log
2013-02-02 17:06 - 2011-02-06 15:09 - 00013920 ____A C:\Windows\System32\Drivers\SWDUMon.sys
2013-02-02 00:30 - 2013-02-02 00:22 - 00000000 ___AD C:\Kaspersky Rescue Disk 10.0
2013-02-01 18:57 - 2011-02-08 19:17 - 00000000 ____D C:\Users\ANNA\AppData\Roaming\Skype
2013-02-01 14:57 - 2011-02-08 22:25 - 00018536 ____A C:\Windows\PFRO.log
2013-01-31 17:42 - 2009-07-14 05:45 - 00009584 ___AH C:\Windows\System32\7B296FB0-376B-497e-B012-9C450E1B7327-5P-1.C7483456-A289-439d-8115-601632D005A0
2013-01-31 17:42 - 2009-07-14 05:45 - 00009584 ___AH C:\Windows\System32\7B296FB0-376B-497e-B012-9C450E1B7327-5P-0.C7483456-A289-439d-8115-601632D005A0
2013-01-16 15:22 - 2011-02-09 10:09 - 00000000 ____D C:\Users\ANNA\AppData\Roaming\TeraCopy
2013-01-16 15:19 - 2013-01-16 15:19 - 00002851 ____A C:\Users\ANNA\Desktop\IMG00103-20111001-1624.jpg - collegamento.lnk
ZeroAccess:
C:\$Recycle.Bin\S-1-5-21-950961757-61761348-2081806951-1000\$e60f0a6ace53fa1bdc6be994ba3cda9f
ZeroAccess:
C:\$Recycle.Bin\S-1-5-18\$e60f0a6ace53fa1bdc6be994ba3cda9f
==================== Known DLLs (Whitelisted) =================
==================== Bamital & volsnap Check =================
C:\Windows\System32\winlogon.exe => MD5 is legit
C:\Windows\System32\wininit.exe => MD5 is legit
C:\Windows\SysWOW64\wininit.exe => MD5 is legit
C:\Windows\explorer.exe => MD5 is legit
C:\Windows\SysWOW64\explorer.exe => MD5 is legit
C:\Windows\System32\svchost.exe => MD5 is legit
C:\Windows\SysWOW64\svchost.exe => MD5 is legit
C:\Windows\System32\services.exe => MD5 is legit
C:\Windows\System32\User32.dll => MD5 is legit
C:\Windows\SysWOW64\User32.dll => MD5 is legit
C:\Windows\System32\userinit.exe => MD5 is legit
C:\Windows\SysWOW64\userinit.exe => MD5 is legit
C:\Windows\System32\Drivers\volsnap.sys => MD5 is legit
==================== EXE ASSOCIATION =====================
HKLM\...\.exe: exefile => OK
HKLM\...\exefile\DefaultIcon: %1 => OK
HKLM\...\exefile\open\command: "%1" %* => OK
==================== Restore Points =========================
Restore point made on: 2012-09-25 11:04:33
Restore point made on: 2012-10-12 19:06:34
Restore point made on: 2012-10-22 14:37:54
Restore point made on: 2012-11-02 15:48:21
Restore point made on: 2012-11-24 14:49:33
Restore point made on: 2012-12-11 18:29:01
Restore point made on: 2012-12-26 17:18:48
Restore point made on: 2013-01-09 17:35:16
Restore point made on: 2013-01-19 17:00:21
Restore point made on: 2013-02-01 18:18:23
==================== Memory info ===========================
Percentage of memory in use: 15%
Total physical RAM: 3958.71 MB
Available physical RAM: 3331.86 MB
Total Pagefile: 3956.86 MB
Available Pagefile: 3316.11 MB
Total Virtual: 8192 MB
Available Virtual: 8191.9 MB
==================== Partitions =============================
1 Drive c: () (Fixed) (Total:297.99 GB) (Free:239.21 GB) NTFS
3 Drive f: (OBIONE) (Removable) (Total:7.67 GB) (Free:1.34 GB) FAT32
4 Drive x: (Boot) (Fixed) (Total:0.03 GB) (Free:0.03 GB) NTFS
5 Drive y: () (Fixed) (Total:0.1 GB) (Free:0.07 GB) NTFS ==>[System with boot components (obtained from reading drive)]
N. disco Stato Dimensioni Disponibile Din GPT
-------- ------------- ------------- ------------- --- ---
Disco 0 Online 298 Gbytes 0 byte
Disco 1 Online 7872 Mbytes 0 byte
Partitions of Disk 0:
===============
ID disco: 0DC0B93E
Partizione ### Tipo Dim. Offset
--------------- ---------------- ------- -------
Partizione 1 Primario 100 Mb 1024 Kb
Partizione 2 Primario 297 Gb 101 Mb
==================================================================================
Disk: 0
Partizione 1
Tipo : 07
Nascosta: No
Attiva: Si
Volume ### Let. Etichetta Fs Tipo Dim. Stato Info
--------- --- ----------- ----- ---------- ------- --------- --------
* Volume 1 Y NTFS Partizione 100 Mb Integro
=========================================================
Disk: 0
Partizione 2
Tipo : 07
Nascosta: No
Attiva: No
Volume ### Let. Etichetta Fs Tipo Dim. Stato Info
--------- --- ----------- ----- ---------- ------- --------- --------
* Volume 2 C NTFS Partizione 297 Gb Integro
=========================================================
Partitions of Disk 1:
===============
ID disco: 00000000
Partizione ### Tipo Dim. Offset
--------------- ---------------- ------- -------
Partizione 1 Primario 7871 Mb 16 Kb
==================================================================================
Disk: 1
Partizione 1
Tipo : 0B
Nascosta: No
Attiva: No
Volume ### Let. Etichetta Fs Tipo Dim. Stato Info
--------- --- ----------- ----- ---------- ------- --------- --------
* Volume 3 F OBIONE FAT32 Rimovibile 7871 Mb Integro
=========================================================
Last Boot: 2013-01-25 15:53
==================== End Of Log =============================
Grazie.