Yesterday, I had a few malwares and trojans infecting my computer, after i removed them with Malwarebytes' Anti-Malware a pop up which says;

Bad Image

The application or DLL C:\PROGRA~1\KASPER~1\KASPER~1\mzvkbd3.dll is not a valid Windows image. Please check this against your installation diskette.

This error message constantly appears every time I start up my computer or open up every application or program.

I downloaded DDS and analyzed my PC. Here's my log;


DDS (Ver_10-12-12.02) - NTFSx86
Run by Stefan at 15:18:54.07 on 21/02/2011
Internet Explorer: 8.0.6001.18702 BrowserJavaVersion: 1.6.0_20
Microsoft Windows XP Professional 5.1.2600.3.1252.1.1033.18.3070.2118 [GMT 0:00]

AV: AVG Anti-Virus Free Edition 2011 *Enabled/Updated* {17DDD097-36FF-435F-9E1B-52D74245D6BF}
AV: AntiVir Desktop *Enabled/Updated* {AD166499-45F9-482A-A743-FDD3350758C7}

============== Running Processes ===============

C:\Program Files\AVG\AVG10\avgchsvx.exe
C:\Program Files\AVG\AVG10\avgrsx.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost -k DcomLaunch
svchost.exe
C:\WINDOWS\System32\svchost.exe -k netsvcs
svchost.exe
svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\WINDOWS\Explorer.EXE
svchost.exe
C:\WINDOWS\RTHDCPL.EXE
C:\Program Files\ASUS\Six Engine\SixEngine.exe
C:\Program Files\ASUS\TurboV\TurboV.exe
C:\Program Files\ASUS\Turbo Key\TurboKey.exe
C:\Program Files\DeviceVM\Browser Configuration Utility\BCU.exe
C:\Program Files\AVG\AVG10\avgtray.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Razer\DeathAdder\razerhid.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
C:\Program Files\ASUS\AsSysCtrlService\1.00.02\AsSysCtrlService.exe
C:\Program Files\AVG\AVG10\avgwdsvc.exe
C:\Program Files\Avira\AntiVir Desktop\avshadow.exe
C:\Program Files\AVG\AVG10\Identity Protection\agent\bin\avgidsmonitor.exe
C:\Program Files\DeviceVM\Browser Configuration Utility\BCUService.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\Razer\DeathAdder\razertra.exe
C:\ASUS.SYS\config\DVMExportService.exe
C:\Program Files\Razer\DeathAdder\razerofa.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\Intel\Intel(R) Management Engine Components\LMS\LMS.exe
C:\Program Files\AVG\AVG10\avgnsx.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Common Files\PC Tools\sMonitor\StartManSvc.exe
C:\WINDOWS\system32\PnkBstrA.exe
c:\Program Files\Microsoft SQL Server\90\Shared\sqlwriter.exe
C:\WINDOWS\system32\svchost.exe -k imgsvc
C:\Program Files\Intel\Intel(R) Management Engine Components\UNS\UNS.exe
C:\WINDOWS\system32\svchost.exe -k netsvcs
C:\Program Files\AVG\AVG10\Identity Protection\Agent\Bin\AVGIDSAgent.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\Stefan\Desktop\dds.scr

============== Pseudo HJT Report ===============

uStart Page = hxxp://www.google.co.uk/
uWindow Title = Windows Internet Explorer provided by Microsoft
uInternet Settings,ProxyOverride = *.local
uURLSearchHooks: SearchHook Class: {bc86e1ab-eda5-4059-938f-ce307b0c6f0a} - c:\program files\devicevm\browser configuration utility\AddressBarSearch.dll
uURLSearchHooks: H - No File
BHO: ContributeBHO Class: {074c1dc5-9320-4a9a-947d-c042949c6216} - c:\program files\adobe\/Adobe Contribute CS3/contributeieplugin.dll
BHO: Adobe PDF Link Helper: {18df081c-e8ad-4283-a596-fa578c2ebdc3} - c:\program files\common files\adobe\acrobat\activex\AcroIEHelperShim.dll
BHO: AVG Safe Search: {3ca2f312-6f6e-4b53-a66e-4e65e497c8c0} - c:\program files\avg\avg10\avgssie.dll
BHO: Groove GFS Browser Helper: {72853161-30c5-4d22-b7f9-0bbc1d38a37e} - c:\program files\microsoft office\office12\GrooveShellExtensions.dll
BHO: Windows Live Sign-in Helper: {9030d464-4c02-4abf-8ecc-5164760863c6} - c:\program files\common files\microsoft shared\windows live\WindowsLiveLogin.dll
BHO: Skype add-on for Internet Explorer: {ae805869-2e5c-4ed4-8f7b-f1f7851a4497} - c:\program files\skype\toolbars\internet explorer\skypeieplugin.dll
BHO: Java(tm) Plug-In 2 SSV Helper: {dbc80044-a445-435b-bc74-9c25c1c588a9} - c:\program files\java\jre6\bin\jp2ssv.dll
BHO: Microsoft Web Test Recorder 10.0 Helper: {dda57003-0068-4ed2-9d32-4d1ec707d94d} - c:\stefan\coding\visual studio 2010 ultimate\common7\ide\privateassemblies\Microsoft.VisualStudio.QualityTools.RecorderBarBHO100.dll
BHO: {E33CF602-D945-461A-83F0-819F76A199F8} - No File
BHO: JQSIEStartDetectorImpl Class: {e7e6f031-17ce-4c07-bc86-eabfe594f69c} - c:\program files\java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
TB: Easy-WebPrint: {327c2873-e90d-4c37-aa9d-10ac9baba46c} - c:\program files\canon\easy-webprint\Toolband.dll
TB: Contribute Toolbar: {517bdde4-e3a7-4570-b21e-2b52b6139fc7} - c:\program files\adobe\/Adobe Contribute CS3/contributeieplugin.dll
EB: Web Test Recorder 10.0: {5802d092-1784-4908-8cdb-99b6842d353d} - mscoree.dll
uRun: [ctfmon.exe] c:\windows\system32\ctfmon.exe
uRun: [msnmsgr] "c:\program files\windows live\messenger\msnmsgr.exe" /background
mRun: [RTHDCPL] RTHDCPL.EXE
mRun: [Six Engine] "c:\program files\asus\six engine\SixEngine.exe" -b
mRun: [TurboV] "c:\program files\asus\turbov\TurboV.exe" -b
mRun: [Turbo Key] "c:\program files\asus\turbo key\TurboKey.exe"
mRun: [BCU] "c:\program files\devicevm\browser configuration utility\BCU.exe"
mRun: [AVG_TRAY] c:\program files\avg\avg10\avgtray.exe
mRun: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
mRun: [avgnt] "c:\program files\avira\antivir desktop\avgnt.exe" /min
mRun: [DeathAdder] c:\program files\razer\deathadder\razerhid.exe
mRun: [NvCplDaemon] RUNDLL32.EXE c:\windows\system32\NvCpl.dll,NvStartup
IE: E&xport to Microsoft Excel - c:\progra~1\micros~2\office12\EXCEL.EXE/3000
IE: Easy-WebPrint Add To Print List - c:\program files\canon\easy-webprint\Resource.dll/RC_AddToList.html
IE: Easy-WebPrint High Speed Print - c:\program files\canon\easy-webprint\Resource.dll/RC_HSPrint.html
IE: Easy-WebPrint Preview - c:\program files\canon\easy-webprint\Resource.dll/RC_Preview.html
IE: Easy-WebPrint Print - c:\program files\canon\easy-webprint\Resource.dll/RC_Print.html
IE: {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe
IE: {FB5F1910-F110-11d2-BB9E-00C04F795683} - c:\program files\messenger\msmsgs.exe
IE: {2670000A-7350-4f3c-8081-5663EE0C6C49} - {48E73304-E1D6-4330-914C-F5F514E3486C} - c:\progra~1\micros~2\office12\ONBttnIE.dll
IE: {4248FE82-7FCB-46AC-B270-339F08212110} - {4248FE82-7FCB-46AC-B270-339F08212110}
IE: {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - {898EA8C8-E7FF-479B-8935-AEC46303B9E5} - c:\program files\skype\toolbars\internet explorer\skypeieplugin.dll
IE: {92780B25-18CC-41C8-B9BE-3C9C571A8263} - {FF059E31-CC5A-4E2E-BF3B-96E929D65503} - c:\progra~1\micros~2\office12\REFIEBAR.DLL
IE: {CCF151D8-D089-449F-A5A4-D9909053F20F} - {CCF151D8-D089-449F-A5A4-D9909053F20F}
DPF: {140E4DF8-9E14-4A34-9577-C77561ED7883} - hxxp://content.systemrequirementslab.com.s3.amazonaws.com/global/bin/srldetect_cyri_4.1.71.0.cab
DPF: {8AD9C840-044E-11D1-B3E9-00805F499D93} - hxxp://java.sun.com/update/1.6.0/jinstall-1_6_0_20-windows-i586.cab
DPF: {CAFEEFAC-0016-0000-0020-ABCDEFFEDCBA} - hxxp://java.sun.com/update/1.6.0/jinstall-1_6_0_20-windows-i586.cab
DPF: {CAFEEFAC-FFFF-FFFF-FFFF-ABCDEFFEDCBA} - hxxp://java.sun.com/update/1.6.0/jinstall-1_6_0_20-windows-i586.cab
DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - hxxp://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
Handler: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - c:\program files\microsoft office\office12\GrooveSystemServices.dll
Handler: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - c:\program files\avg\avg10\avgpp.dll
Handler: skype-ie-addon-data - {91774881-D725-4E58-B298-07617B9B86A8} - c:\program files\skype\toolbars\internet explorer\skypeieplugin.dll
Handler: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - c:\progra~1\common~1\skype\SKYPE4~1.DLL
Notify: klogon - c:\windows\system32\klogon.dll
AppInit_DLLs: c:\progra~1\kasper~1\kasper~1\mzvkbd3.dll
SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - c:\windows\system32\WPDShServiceObj.dll
SEH: Groove GFS Stub Execution Hook: {b5a7f190-dda6-4420-b3ba-52453494e6cd} - c:\program files\microsoft office\office12\GrooveShellExtensions.dll
SecurityProviders: msapsspc.dll, schannel.dll, credssp.dll, digest.dll, msnsspc.dll

================= FIREFOX ===================

FF - ProfilePath - c:\docume~1\stefan\applic~1\mozilla\firefox\profiles\ldfk4t2y.default\
FF - prefs.js: browser.startup.homepage - hxxp://www.google.co.uk/
FF - prefs.js: network.proxy.http - 127.0.0.1
FF - prefs.js: network.proxy.http_port - 50370
FF - prefs.js: network.proxy.type - 0
FF - component: c:\program files\avg\avg10\firefox\components\avgssff.dll
FF - component: c:\program files\mozilla firefox\extensions\{ab2ce124-6272-4b12-94a9-7303c7397bd1}\components\SkypeFfComponent.dll
FF - plugin: c:\documents and settings\all users\application data\id software\quakelive\npquakezero.dll
FF - plugin: c:\documents and settings\stefan\application data\mozilla\firefox\profiles\ldfk4t2y.default\extensions\battlefieldheroespatcher@ea.com\platform\winnt_x86-msvc\plugins\npBFHUpdater.dll
FF - plugin: c:\program files\java\jre6\bin\new_plugin\npdeployJava1.dll
FF - plugin: c:\program files\mozilla firefox\plugins\npclntax_HBLiteSA.dll
FF - Ext: Default: {972ce4c6-7e08-4474-a285-3208198ce6fd} - c:\program files\mozilla firefox\extensions\{972ce4c6-7e08-4474-a285-3208198ce6fd}
FF - Ext: Skype extension for Firefox: {AB2CE124-6272-4b12-94A9-7303C7397BD1} - c:\program files\mozilla firefox\extensions\{AB2CE124-6272-4b12-94A9-7303C7397BD1}
FF - Ext: Java Console: {CAFEEFAC-0016-0000-0020-ABCDEFFEDCBA} - c:\program files\mozilla firefox\extensions\{CAFEEFAC-0016-0000-0020-ABCDEFFEDCBA}
FF - Ext: Microsoft .NET Framework Assistant: {20a82645-c095-46ed-80e3-08825760534b} - %profile%\extensions\{20a82645-c095-46ed-80e3-08825760534b}
FF - Ext: vShare Plugin: vshare@toolbar - %profile%\extensions\vshare@toolbar
FF - Ext: Battlefield Heroes Updater: battlefieldheroespatcher@ea.com - %profile%\extensions\battlefieldheroespatcher@ea.com
FF - Ext: Microsoft .NET Framework Assistant: {20a82645-c095-46ed-80e3-08825760534b} - c:\windows\microsoft.net\framework\v3.5\windows presentation foundation\DotNetAssistantExtension
FF - Ext: AVG Safe Search: {3f963a5b-e555-4543-90e2-c3908898db71} - c:\program files\avg\avg10\Firefox

---- FIREFOX POLICIES ----
FF - user.js: yahoo.ytff.general.dontshowhpoffer - true
============= SERVICES / DRIVERS ===============

R0 AVGIDSEH;AVGIDSEH;c:\windows\system32\drivers\AVGIDSEH.sys [2010-9-13 25680]
R0 Avgrkx86;AVG Anti-Rootkit Driver;c:\windows\system32\drivers\avgrkx86.sys [2010-9-7 26064]
R0 KL1;kl1;c:\windows\system32\drivers\kl1.sys [2010-6-9 132184]
R1 avgio;avgio;c:\program files\avira\antivir desktop\avgio.sys [2011-1-2 11608]
R1 Avgldx86;AVG AVI Loader Driver;c:\windows\system32\drivers\avgldx86.sys [2010-9-7 251728]
R1 Avgmfx86;AVG Mini-Filter Resident Anti-Virus Shield;c:\windows\system32\drivers\avgmfx86.sys [2010-9-7 34384]
R1 Avgtdix;AVG TDI Driver;c:\windows\system32\drivers\avgtdix.sys [2010-9-7 299984]
R1 kl2;kl2;c:\windows\system32\drivers\kl2.sys [2010-6-9 11352]
R1 KLIF;Kaspersky Lab Driver;c:\windows\system32\drivers\klif.sys [2010-12-19 475736]
R2 AntiVirSchedulerService;Avira AntiVir Scheduler;c:\program files\avira\antivir desktop\sched.exe [2011-1-2 135336]
R2 AntiVirService;Avira AntiVir Guard;c:\program files\avira\antivir desktop\avguard.exe [2011-1-2 267944]
R2 AsSysCtrlService;ASUS System Control Service;c:\program files\asus\assysctrlservice\1.00.02\AsSysCtrlService.exe [2010-8-29 90112]
R2 AVGIDSAgent;AVGIDSAgent;c:\program files\avg\avg10\identity protection\agent\bin\AVGIDSAgent.exe [2011-1-6 6128720]
R2 avgntflt;avgntflt;c:\windows\system32\drivers\avgntflt.sys [2011-1-2 61960]
R2 avgwd;AVG WatchDog;c:\program files\avg\avg10\avgwdsvc.exe [2010-10-22 265400]
R2 BCUService;Browser Configuration Utility Service;c:\program files\devicevm\browser configuration utility\BCUService.exe [2009-10-26 223464]
R2 DvmMDES;DeviceVM Meta Data Export Service;c:\asus.sys\config\DVMExportService.exe [2009-10-16 319488]
R2 PCToolsSSDMonitorSvc;PC Tools Startup and Shutdown Monitor service;c:\program files\common files\pc tools\smonitor\StartManSvc.exe [2011-2-20 583640]
R2 UNS;Intel(R) Management & Security Application User Notification Service;c:\program files\intel\intel(r) management engine components\uns\UNS.exe [2010-8-29 2320920]
R3 AVGIDSDriver;AVGIDSDriver;c:\windows\system32\drivers\AVGIDSDriver.sys [2010-8-19 123472]
R3 AVGIDSFilter;AVGIDSFilter;c:\windows\system32\drivers\AVGIDSFilter.sys [2010-8-19 30288]
R3 AVGIDSShim;AVGIDSShim;c:\windows\system32\drivers\AVGIDSShim.sys [2010-8-19 26192]
R3 danewFltr;NewDeathAdder Mouse;c:\windows\system32\drivers\danew.sys [2011-1-8 11136]
R3 klim5;Kaspersky Anti-Virus NDIS Filter;c:\windows\system32\drivers\klim5.sys [2010-5-7 32856]
R3 klmouflt;Kaspersky Lab KLMOUFLT;c:\windows\system32\drivers\klmouflt.sys [2009-11-2 19472]
R3 vHidDev;Razer Gaming Device;c:\windows\system32\drivers\vHidDev.sys [2011-1-8 5760]
S2 AVP;Kaspersky Anti-Virus Service;"c:\program files\kaspersky lab\kaspersky internet security 2011\avp.exe" -r --> c:\program files\kaspersky lab\kaspersky internet security 2011\avp.exe [?]
S2 clr_optimization_v4.0.30319_32;Microsoft .NET Framework NGEN v4.0.30319_X86;c:\windows\microsoft.net\framework\v4.0.30319\mscorsvw.exe [2010-3-18 130384]
S3 Ambfilt;Ambfilt;c:\windows\system32\drivers\Ambfilt.sys [2010-8-29 1691480]
S3 cpuz130;cpuz130;\??\c:\docume~1\stefan\locals~1\temp\cpuz130\cpuz_x32.sys --> c:\docume~1\stefan\locals~1\temp\cpuz130\cpuz_x32.sys [?]
S3 cpuz135;cpuz135;\??\c:\windows\temp\cpuz135\cpuz135_x32.sys --> c:\windows\temp\cpuz135\cpuz135_x32.sys [?]
S3 CYUSB;Cypress Generic USB Driver;c:\windows\system32\drivers\CYUSB.sys [2011-1-8 38528]
S3 ewusbnet;HUAWEI USB-NDIS miniport;c:\windows\system32\drivers\ewusbnet.sys [2010-11-19 112640]
S3 Futuremark SystemInfo Service;Futuremark SystemInfo Service;c:\program files\common files\futuremark shared\futuremark systeminfo\FMSISvc.exe [2010-11-30 129440]
S3 RTLWUSB;NETGEAR WG111v2 54Mbps Wireless USB 2.0 Adapter NT Driver;c:\windows\system32\drivers\wg111v2.sys [2010-4-18 182784]
S3 VSPerfDrv100;Performance Tools Driver 10.0;c:\stefan\coding\visual studio 2010 ultimate\team tools\performance tools\VSPerfDrv100.sys [2009-12-8 48128]
S3 WPFFontCache_v0400;Windows Presentation Foundation Font Cache 4.0.0.0;c:\windows\microsoft.net\framework\v4.0.30319\wpf\WPFFontCache_v0400.exe [2010-3-18 753504]
S4 MSSQLServerADHelper100;SQL Active Directory Helper Service;c:\program files\microsoft sql server\100\shared\sqladhlp.exe [2009-7-23 47128]
S4 RsFx0103;RsFx0103 Driver;c:\windows\system32\drivers\RsFx0103.sys [2009-3-30 239336]
S4 SQLAgent$SQLEXPRESS;SQL Server Agent (SQLEXPRESS);c:\program files\microsoft sql server\mssql10.sqlexpress\mssql\binn\SQLAGENT.EXE [2009-3-30 366936]

=============== Created Last 30 ================

2011-02-20 18:58:40 388096 ----a-r- c:\docume~1\stefan\applic~1\microsoft\installer\{45a66726-69bc-466b-a7a4-12fcba4883d7}\HiJackThis.exe
2011-02-20 18:40:57 -------- d-----w- c:\docume~1\stefan\locals~1\applic~1\RcIncidents
2011-02-20 18:36:30 -------- d-----w- c:\program files\common files\PC Tools
2011-02-20 18:18:37 -------- d-----w- c:\docume~1\stefan\applic~1\Systweak
2011-02-20 18:18:28 -------- d-----w- c:\program files\RegClean Pro
2011-02-20 17:03:44 -------- d-----w- c:\program files\Trend Micro
2011-02-20 15:08:27 -------- d-----w- c:\docume~1\stefan\applic~1\Malwarebytes
2011-02-20 15:08:14 38224 ----a-w- c:\windows\system32\drivers\mbamswissarmy.sys
2011-02-20 15:08:12 -------- d-----w- c:\docume~1\alluse~1\applic~1\Malwarebytes
2011-02-20 15:08:08 20952 ----a-w- c:\windows\system32\drivers\mbam.sys
2011-02-20 15:08:08 -------- d-----w- c:\program files\Malwarebytes' Anti-Malware
2011-02-20 14:55:39 -------- d-----w- c:\program files\KASPER~1
2011-02-02 02:09:33 232968 ----a-w- c:\windows\system32\nvdrsdb0.bin
2011-02-02 02:09:28 232968 ----a-w- c:\windows\system32\nvdrsdb1.bin
2011-02-02 02:09:28 1 ----a-w- c:\windows\system32\nvdrssel.bin
2011-01-26 17:11:57 -------- d-----w- c:\program files\common files\Wise Installation Wizard
2011-01-26 16:48:34 -------- d-----w- C:\NVIDIA

==================== Find3M ====================

2011-02-19 23:58:00 270904 ----a-w- c:\windows\system32\PnkBstrB.xtr
2011-02-19 23:58:00 270904 ----a-w- c:\windows\system32\PnkBstrB.exe
2011-02-19 20:05:40 270904 ----a-w- c:\windows\system32\PnkBstrB.ex0
2011-01-21 14:42:25 439808 ----a-w- c:\windows\system32\shimgvw.dll
2011-01-07 14:09:02 290048 ----a-w- c:\windows\system32\atmfd.dll
2010-12-31 13:14:45 1864064 ----a-w- c:\windows\system32\win32k.sys
2010-12-22 12:32:24 301568 ----a-w- c:\windows\system32\kerberos.dll
2010-12-21 16:38:29 138056 ----a-w- c:\docume~1\stefan\applic~1\PnkBstrK.sys
2010-12-21 16:38:09 75136 ----a-w- c:\windows\system32\PnkBstrA.exe
2010-12-20 23:59:20 916480 ----a-w- c:\windows\system32\wininet.dll
2010-12-20 23:59:19 43520 ----a-w- c:\windows\system32\licmgr10.dll
2010-12-20 23:59:19 1469440 ----a-w- c:\windows\system32\inetcpl.cpl
2010-12-20 17:24:18 730112 ----a-w- c:\windows\system32\lsasrv.dll
2010-12-20 12:55:26 385024 ----a-w- c:\windows\system32\html.iec
2010-12-11 16:45:42 2373712 ----a-w- c:\windows\system32\pbsvc.exe
2010-12-09 15:15:41 718336 ----a-w- c:\windows\system32\ntdll.dll
2010-12-09 14:29:00 33280 ----a-w- c:\windows\system32\csrsrv.dll
2010-12-09 13:47:27 2148864 ----a-w- c:\windows\system32\ntoskrnl.exe
2010-12-09 13:09:29 2027008 ----a-w- c:\windows\system32\ntkrnlpa.exe

============= FINISH: 15:21:12.29 ===============

How do I get rid of this pop up constantly appearing? Do i have a hidden trojan infecting my PC? Thank you for reading this.