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View Full Version : file maligno o falso positivo?


steam-roller
25-04-2006, 12:03
Ciao a tutti!

Alla ricerca di eventuale file maligno, ho effettuato la scansione del PC con i seguenti software:

1) Spybot - Search & Destroy
2) Lavasoft Ad-Aware SE Personal
3) Microsoft AntiSpyware (beta 1)
4) Ewido anti-malware
5) a-squared

Mentre i programmi elencati ai punti 1) 2) e 3) non hanno riscontrato alcuna minaccia, "Ewido anti-malware" ed "a-squared" hanno trovato diversi files maligni. Ancora non ho provveduto alla rimozione, in quanto preferisco escludere l'eventualitā di falsi positivi!
Questi sono i rapporti delle scansioni:

---------------------------------------------------------
ewido anti-malware - Rapporto Scansione
---------------------------------------------------------

+ Creato il: 10.57.15, 25/04/2006
+ Report-Checksum: 73AFE46E

+ Risultati scansione:

C:\hp\bin\Terminator.exe -> Trojan.KillApp.30208 : Ignorato


::Fine Rapporto


a-squared Report
Scan Started: 25/04/2006 11.03.09
Scan Finished: 25/04/2006 11.28.58
Scanning Time: 0h 25min 48sec
Scanned Files: 100890
Infected Files: 5

Nome del file Diagnosi
Key: HKEY_CURRENT_USER\software\nirsoft Trace.Registry.Tools.Nirsoft
C:\Programmi\BackWeb\BackWeb Client\6.1.0.153\Program\runner.exe Adware.BackWeb.a
C:\Programmi\hp center\137903\Program\BackWeb-137903.exe Adware.BackWeb.a
C:\Programmi\Logitech\Desktop Messenger\8876480\6.1.4.36-8876480L\Program\runner.exe Adware.BackWeb.a
C:\Programmi\Logitech\Desktop Messenger\8876480\Program\backWeb-8876480.exe Adware.BackWeb.a

Al fine di fornirvi ulteriori elementi, ecco il log di hijackthis:

Logfile of HijackThis v1.99.1
Scan saved at 11.35.32, on 25/04/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\Programmi\File comuni\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\VMware\VMware Player\vmware-authd.exe
C:\Programmi\File comuni\VMware\VMware Virtual Image Editing\vmount2.exe
C:\WINDOWS\system32\vmnat.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\system32\wwSecure.exe
C:\Programmi\File comuni\Softwin\BitDefender Communicator\xcommsvr.exe
C:\WINDOWS\system32\vmnetdhcp.exe
C:\WINDOWS\Explorer.EXE
C:\windows\system\hpsysdrv.exe
C:\Programmi\USB Storage RW\shwicon.exe
C:\HP\KBD\KBD.EXE
C:\Programmi\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
C:\WINDOWS\system32\rundll32.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\Programmi\Hewlett-Packard\HP Share-to-Web\hpgs2wnf.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Programmi\File comuni\PCSuite\DataLayer\DataLayer.exe
C:\Programmi\Zone Labs\ZoneAlarm\zlclient.exe
C:\Programmi\Softwin\BitDefender8\bdnagent.exe
C:\PROGRA~1\FILECO~1\PCSuite\Services\SERVIC~1.EXE
C:\Programmi\PeerGuardian2\pg2.exe
C:\Programmi\Shareaza\Shareaza.exe
C:\Programmi\File comuni\Softwin\BitDefender Scan Server\bdss.exe
C:\PROGRA~1\Logitech\Video\FxSvr2.exe
C:\Programmi\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.msn.it/0SEITIT/SAOS01?FORM=TOOLBR
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://g.msn.it/0SEITIT/SAOS01?FORM=TOOLBR
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://gw.aliceadsl.it/home
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://it7.hpwis.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://g.msn.it/0SEITIT/SAOS01?FORM=TOOLBR
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer fornito da Alice
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: MSN Search Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Programmi\MSN Toolbar Suite\TB\02.05.0000.1082\it-it\msntb.dll
O3 - Toolbar: MSN Search Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Programmi\MSN Toolbar Suite\TB\02.05.0000.1082\it-it\msntb.dll
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [KYE_Showicon] "C:\Programmi\USB Storage RW\shwicon.exe" -t"KYE\USB Storage RW"
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [Share-to-Web Namespace Daemon] C:\Programmi\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
O4 - HKLM\..\Run: [AdslTaskBar] rundll32.exe stmctrl.dll,TaskBar
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [DataLayer] C:\Programmi\File comuni\PCSuite\DataLayer\DataLayer.exe
O4 - HKLM\..\Run: [Zone Labs Client] C:\Programmi\Zone Labs\ZoneAlarm\zlclient.exe
O4 - HKLM\..\Run: [MSConfig] C:\WINDOWS\PCHealth\HelpCtr\Binaries\MSConfig.exe /auto
O4 - HKLM\..\Run: [BDNewsAgent] "c:\programmi\softwin\bitdefender8\bdnagent.exe"
O4 - HKLM\..\RunOnce: [MRUBlaster] C:\Programmi\MRU-Blaster\indexcleaner.exe -COOKIES
O4 - HKCU\..\RunOnce: [Index Washer] C:\Programmi\Webroot\Washer\WashIdx.exe "Proprietario"
O8 - Extra context menu item: &MSN Search - res://C:\Programmi\MSN Toolbar Suite\TB\02.05.0000.1082\it-it\msntb.dll/search.htm
O8 - Extra context menu item: Apri in nuova scheda in primo piano - res://C:\Programmi\MSN Toolbar Suite\TAB\02.05.0001.1119\it-it\msntabres.dll/230?11316cf24ea34272a9be50c0dca02059
O8 - Extra context menu item: Apri in nuova scheda in secondo piano - res://C:\Programmi\MSN Toolbar Suite\TAB\02.05.0001.1119\it-it\msntabres.dll/229?11316cf24ea34272a9be50c0dca02059
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Scarica con il Wizard di LeechGet - file://C:\Programmi\LeechGet 2005\\Wizard.html
O8 - Extra context menu item: Scarica con LeechGet - file://C:\Programmi\LeechGet 2005\\AddUrl.html
O8 - Extra context menu item: Scarica pagina con LeechGet - file://C:\Programmi\LeechGet 2005\\Parser.html
O9 - Extra button: Ricerche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~4\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\MSMSGS.EXE
O9 - Extra button: Alice - {B4EC20D1-AE4A-4FE6-955D-12C3FF1BB0E7} - http://gw.aliceadsl.it/alice (file missing) (HKCU)
O14 - IERESET.INF: START_PAGE_URL=http://gw.aliceadsl.it/home
O15 - Trusted Zone: http://download.windowsupdate.com
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1131205226812
O17 - HKLM\System\CCS\Services\Tcpip\..\{3F143F5B-82F1-4C1A-8CE8-B2A111AAD787}: NameServer = 85.37.17.11 85.38.28.69
O17 - HKLM\System\CCS\Services\Tcpip\..\{FB2023EA-F40F-4982-A795-25AA7119C0BF}: NameServer = 217.141.250.206,151.99.125.1
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O23 - Service: BitDefender Scan Server (bdss) - Unknown owner - C:\Programmi\File comuni\Softwin\BitDefender Scan Server\bdss.exe" /service (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\System32\HPZipm12.exe
O23 - Service: VMware Authorization Service (VMAuthdService) - VMware, Inc. - C:\Programmi\VMware\VMware Player\vmware-authd.exe
O23 - Service: VMware DHCP Service (VMnetDHCP) - VMware, Inc. - C:\WINDOWS\system32\vmnetdhcp.exe
O23 - Service: VMware Virtual Mount Manager Extended (vmount2) - VMware, Inc. - C:\Programmi\File comuni\VMware\VMware Virtual Image Editing\vmount2.exe
O23 - Service: VMware NAT Service - VMware, Inc. - C:\WINDOWS\system32\vmnat.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe
O23 - Service: Washer Security Access (wwSecSvc) - Webroot Software, Inc. - C:\WINDOWS\system32\wwSecure.exe
O23 - Service: BitDefender Communicator (XCOMM) - Unknown owner - C:\Programmi\File comuni\Softwin\BitDefender Communicator\xcommsvr.exe" /service (file missing)


P.S.
La presenza di backweb (riportata dal rapporto di a-squared) č riconducibile alla webcam logitech ed al software "hp center" presente sui computer HP.
La traccia nel registro "nirsoft" č dovuta alla presenza dell'eseguibile "currports". Posso stare tranquillo?
In realtā quello che mi preoccupa č il file trovato da ewido!!!

Stev-O
25-04-2006, 12:09
http://www.bleepingcomputer.com/startups/terminator.exe-13563.html

ad ogni modo scansionalo anche su www.virustotal.com

steam-roller
25-04-2006, 12:16
Grazie Stev-O!
Adesso ci provo.

Il log di hijackthis č pulito?

Stev-O
25-04-2006, 12:17
il log č pulito ma se vuoi fixa questo:
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
e disattiva la segnalazione errori windows

steam-roller
25-04-2006, 12:23
come si procede per fixare?
come disattivare la segnalazione errori windows?
Grazie.

lucadue
25-04-2006, 12:38
per fixare spunti la casella accanto a cio che desideri fixare e premi fix

lisca
25-04-2006, 12:47
ad ogni modo scansionalo anche su www.virustotal.com

ma su virustotal dove si trova la funzione per lo scan on-line ?

Teliqalipukt
25-04-2006, 12:50
ma su virustotal dove si trova la funzione per lo scan on-line ?

Premi sfoglia e lo carichi dal tuo pc. Poi clicca "send" :)

lisca
25-04-2006, 12:57
Premi sfoglia e lo carichi dal tuo pc. Poi clicca "send" :)

preemi sfoglia ? ma se č in ingelse ?
send ?

:mc:

juninho85
25-04-2006, 12:59
preemi sfoglia ? ma se č in ingelse ?
send ?

:mc:
"submit"

Teliqalipukt
25-04-2006, 13:01
preemi sfoglia ? ma se č in ingelse ?
send ?

:mc:
http://www.virustotal.com/en/indexf.html

La casella "sfoglia", possibile che non la vedi? :stordita:

lisca
25-04-2006, 13:06
http://www.virustotal.com/en/indexf.html

La casella "sfoglia", possibile che non la vedi? :stordita:

si eccola ma devo fare la scansione dell' intero pc non del singolo file :fagiano:

lisca
25-04-2006, 13:11
si eccola ma devo fare la scansione dell' intero pc non del singolo file :fagiano:

sono pieno di trojan con cosa le elimino ?
ewino non li becca

Teliqalipukt
25-04-2006, 14:09
sono pieno di trojan con cosa le elimino ?
ewino non li becca

fai una scansione con l'antivirus da modalitā provvisoria. Puoi farla con bitdefender 8 free edition

Teliqalipukt
25-04-2006, 14:09
fai una scansione con l'antivirus da modalitā provvisoria. Puoi farla con bitdefender 8 free edition

Virustotal serve per scansionare con tutti gli av singoli file, non per fare lo scan completo del pc.

steam-roller
25-04-2006, 15:22
Ho effettuato le scansioni on-line per il file "Terminator.exe"; ecco i risultati:

http://virusscan.jotti.org/

AntiVir Found nothing
ArcaVir Found nothing
Avast Found nothing
AVG Antivirus Found nothing
BitDefender Found Trojan.Killapp.30208.A
ClamAV Found nothing
Dr.Web Found Trojan.KillApp.30208
F-Prot Antivirus Found nothing
Fortinet Found HackerTool/Killapp
Kaspersky Anti-Virus Found nothing
NOD32 Found nothing
Norman Virus Control Found nothing
UNA Found nothing
VirusBuster Found nothing
VBA32 Found nothing

http://www.virustotal.com/en/indexx.html

AntiVir 6.34.0.24 04.20.2006 no virus found
Avast 4.6.695.0 04.25.2006 no virus found
AVG 386 04.24.2006 no virus found
Avira 6.34.1.58 04.25.2006 no virus found
BitDefender 7.2 04.25.2006 Trojan.Killapp.30208.A
CAT-QuickHeal 8.00 04.25.2006 no virus found
ClamAV devel-20060202 04.25.2006 no virus found
DrWeb 4.33 04.25.2006 Trojan.KillApp.30208
eTrust-InoculateIT 23.71.138 04.25.2006 no virus found
eTrust-Vet 12.4.2177 04.25.2006 no virus found
Ewido 3.5 04.25.2006 Trojan.KillApp.30208
Fortinet 2.71.0.0 04.25.2006 HackerTool/Killapp
F-Prot 3.16c 04.21.2006 no virus found
Ikarus 0.2.59.0 04.25.2006 Trojan.KillApp.30208
Kaspersky 4.0.2.24 04.25.2006 no virus found
McAfee 4747 04.24.2006 potentially unwanted program KillApp
NOD32v2 1.1506 04.25.2006 no virus found
Norman 5.90.16 04.25.2006 no virus found
Panda 9.0.0.4 04.24.2006 Application/KillApp.A
Sophos 4.05.0 04.25.2006 no virus found
Symantec 8.0 04.25.2006 no virus found
TheHacker 5.9.7.134 04.24.2006 Aplicacion/Riskware.Tool.KillApp
UNA 1.83 04.21.2006 no virus found
VBA32 3.11.0 04.24.2006 no virus found

Che faccio? A chi devo credere?

steam-roller
26-04-2006, 13:06
Come mi devo comportare con il file "Terminator.exe"? Come interpretare, in modo corretto, i risultati delle scansioni on-line?

Aspetto fiducioso i vostri pareri!

satrax82
26-04-2006, 14:27
č un backagent del software HP, fidati di Kaspersky ;)

steam-roller
28-04-2006, 17:56
č un backagent del software HP, fidati di Kaspersky ;)

OK!