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UT suddenly sending constant outbound syn packets to Netvertising Ltd


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Hi. Recently peerblock has been intercepting continuous outbound attempts to connect to an IP address belonging to Netvertising Ltd. whenever uTorrent is online. Netstat command line tool confirms these syn packets are being sent by the uTorrent..exe process. A full scan with Malwarebytes did not resolve the issue. Any ideas how this began and how to resolve it?


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Thanks. Version 2.2 build 23703. Hijackthis log follows:

Logfile of Trend Micro HijackThis v2.0.4

Scan saved at 5:52:17 PM, on 4/25/2011

Platform: Windows XP SP1 (WinNT 5.01.2600)

MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Boot mode: Normal

Running processes:


C:\Program Files\Synaptics\SynTP\SynTPLpr.exe

C:\Program Files\Synaptics\SynTP\SynTPEnh.exe

C:\Program Files\Common Files\Java\Java Update\jusched.exe



C:\Program Files\Microsoft IntelliPoint\point32.exe

C:\Program Files\Avira\AntiVir Desktop\avgnt.exe

C:\Program Files\Hamachi\hamachi-2-ui.exe

C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe

C:\Program Files\Common Files\Java\Java Update\jucheck.exe


C:\Program Files\Mozilla Firefox\firefox.exe

C:\Program Files\uTorrent\uTorrent.exe

C:\Source\Admin Tools\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.scroogle.org/

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.hp.com

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,SearchAssistant = http://www.crawler.com/search/ie.aspx?tb_id=66017

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,CustomizeSearch = http://dnl.crawler.com/support/sa_customize.aspx?TbId=66017

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://my.juno.com/s/search?r=minisearch

R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch = http://dnl.crawler.com/support/sa_customize.aspx?TbId=66017

R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = localhost:8118

R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = http://www.

O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll

O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll

O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll

O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.6.6209.1142\swg.dll

O2 - BHO: Java Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll

O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll

O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx

O3 - Toolbar: (no name) - {5854FAC4-5BF0-47DD-B5A9-A5EA8CFF3CF4} - (no file)

O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll

O4 - HKLM\..\Run: [updateManager] "C:\Program Files\Common Files\Sonic\Update Manager\sgtray.exe" /r

O4 - HKLM\..\Run: [synTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe

O4 - HKLM\..\Run: [synTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe

O4 - HKLM\..\Run: [sunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"

O4 - HKLM\..\Run: [Cpqset] C:\Program Files\HPQ\Default Settings\cpqset.exed


O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe


O4 - HKLM\..\Run: [intelliPoint] "C:\Program Files\Microsoft IntelliPoint\point32.exe"

O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"

O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"

O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min

O4 - HKLM\..\Run: [LogMeIn Hamachi Ui] "C:\Program Files\Hamachi\hamachi-2-ui.exe" --auto-start

O4 - HKCU\..\Run: [blue Frog] C:\Program Files\Blue Security\bluefrog.exe

O4 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe"

O4 - HKCU\..\RunOnce: [FlashPlayerUpdate] C:\WINDOWS\System32\Macromed\Flash\FlashUtil10k_Plugin.exe -update plugin

O4 - Global Startup: PeerBlock.lnk = C:\Program Files\PeerBlock\peerblock.exe

O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000

O8 - Extra context menu item: En&queue current page with Bulk Image Downloader - file://C:\Program Files\Bulk Image Downloader\iemenu\iebidqueue.htm

O8 - Extra context menu item: Enqueue link target with Bulk Ima≥ Downloader - file://C:\Program Files\Bulk Image Downloader\iemenu\iebidlinkqueue.htm

O8 - Extra context menu item: Google Sidewiki... - res://C:\Program Files\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_E11712C84EA7E12B.dll/cmsidewiki.html

O8 - Extra context menu item: Open &link target with Bulk Image Downloader - file://C:\Program Files\Bulk Image Downloader\iemenu\iebidlink.htm

O8 - Extra context menu item: Open current page with Bulk I&mage Downloader - file://C:\Program Files\Bulk Image Downloader\iemenu\iebid.htm

O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE

O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE

O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll

O14 - IERESET.INF: START_PAGE_URL=http://www.hp.com

O16 - DPF: Garmin Communicator Plug-In - https://static.garmincdn.com/gcp/ie/

O16 - DPF: {04E214E5-63AF-4236-83C6-A7ADCBF9BD02} (HouseCall Control) - http://housecall60.trendmicro.com/housecall/xscan60.cab

O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204

O16 - DPF: {4871A87A-BFDD-4106-8153-FFDE2BAC2967} (DLM Control) - http://dlm.tools.akamai.com/dlmanager/versions/activex/dlm-activex-

O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1120627962831

O16 - DPF: {6F750200-1362-4815-A476-88533DE61D0C} (Ofoto Upload Manager Class) - http://www.kodakgallery.com/downloads/BUM/BUM_WIN_IE_1/axofupld.cab

O17 - HKLM\System\CCS\Services\Tcpip\..\{979FFDD0-FB70-4CB1-8867-8049B79C20E9}: NameServer =,

O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\System32\browseui.dll

O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\System32\browseui.dll

O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe

O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe

O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe

O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe

O23 - Service: Google Update Service (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe

O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe

O23 - Service: LogMeIn Hamachi 2.0 Tunneling Engine (Hamachi2Svc) - LogMeIn Inc. - C:\Program Files\Hamachi\hamachi-2.exe

O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe

O23 - Service: OpenVPN Service (OpenVPNService) - Unknown owner - C:\Program Files\OpenVPN\bin\openvpnserv.exe

O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe


End of file - 8155 bytes

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I know there was a survey link in some past µT builds but I think it's finished and I'm not not really sure if the outgoing connections you're seeing are related to this possible cause.

Are you sure the destination IP really belongs to Netvertising Ltd? Can you post the IP displayed by PB?

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Are you uploading or downloading a file with http://hank.cheggit.net listed as (one of) the tracker(s)? Sounds like someone is admitting to downloading pron.

Sounds like someone knows a LOT more about pr0n than I do. ;-)

Shilood is right that I had some DLs from cheggit (although i don't know if they were that specific tracker or not). Still not sure where to go from there, though, as far as whether these outbound attempts are something to worry about.

I hope that helps.

It will after I understand how you came to that conclusion, and whether there's any harm to it... Thanks, I think.

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Do you have any torrents with a tracker that has port 2710?

Well, I've deleted the torrents but based on Shilood's insight I can only assume that I did.

And why do you think that peerblock is actually protecting you from anything?

Based on an admittedly incomplete body of reading I was led to believe it was better than nothing. After all, it at least led me to ask the questions in this thread, for whatever that's worth. But I'd be grateful for any hint in a better direction if you'd be so kind.

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Just use blocklists to ban torrent poisoners and real IPs monitoring p2p activity.
Makes sense but I thought that was exactly what PB was doing. It updates the IP block list each time it starts up and prevents inbound and outbound to all those ip's. Is it's failure due to a bad block list, or bad functionality? And either way, where would I find the blocklists you are advising me to use? If the answer is here in the UT community already, which I admit I haven't had time to go through, then forgive the question and just say "look it up" :-)
A better security (but not invincible) is to use a VPN dedicated to p2p.
Do you mean a paid VPN service, or is this something I could accomplish using openVPN or Hamachi or something? (and if the latter, where would I be connecting to on the other end?) As above, if the answer is already here, I'll take the smack.

Thanks again.

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PB's lists need to be verified and nobody does it. Make the calculation, these lists block millions of IP, in fact, it's not very reasonable.

In addition, a company monitoring p2p activity can use residential internet connections, etc...

In your case, is in Hungary (http://whois.domaintools.com/ but we can't know why PB is blocking this IP (maybe due to spam from a previous blocklist, who knows...).

Yes, a VPN using PPTP e.g. Or SSL (OpenVPN client) is better (but more expensive).

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