Friday
2009-01-10, 20:07
The following instructions have been created to help you to get rid of "DocTor" manually.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.
If this guide was helpful to you, please consider donating towards this site (http://www.safer-networking.org/index.php?page=donate).
Threat Details:
Categories:
worm
Description:
Sophos information: http://www.sophos.com/virusinfo/analyses/w32dotora.html
Symantec information: http://securityresponse.symantec.com/avcenter/venc/data/w32.dotor.a@mm.html
McAfee information: http://vil.mcafee.com/dispVirus.asp?virus_k=99533
Links (be careful!):
Sophos: http://www.sophos.com/virusinfo/analyses/w32dotora.html
Symantec: http://securityresponse.symantec.com/avcenter/venc/data/w32.dotor.a@mm.html
McAfee: http://vil.mcafee.com/dispVirus.asp?virus_k=99533
Removal Instructions:
Desktop:
Please remove the following files from your desktop.
To check where they are pointing to, right-click them and choose "Properties" from the context menu appearing.
Shortcuts named "SystemDoctor 2006.lnk" and pointing to "SystemDoctor 2006 Free\sd2006.exe".
Quicklaunch area:
Please remove the following items from your start quick launch area text to the "Start" button in the taskbar at the bottom.
To check where they are pointing to, right-click them and choose "Properties" from the context menu appearing.
Quicklaunch symbols named "SystemDoctor 2006.lnk" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe*".
Autorun:
Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd), RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer) or msconfig.exe to remove the following autorun entries.
Entries named "DocTor".
Entries named or pointing to "doctor.vbs".
Entries named "SystemDoctor 2006 Free" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe*".
Entries named "Salestart" and pointing to "*SystemDoctor*".
Entries named "SystemDoctor 2006 Free" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe -scan".
Entries named "divx" and pointing to "divxenc.exe".
Entries named "Windows installer" and pointing to "C:\winstall.exe".
Entries named "2RGQ8Z43MNM354" and pointing to "<$SYSDIR>\Acp1M.exe".
Entries named "3stT3FS" and pointing to "ipr40.exe".
Entries named "5002e18a.exe" and pointing to "<$LOCALAPPDATA>\5002e18a.exe".
Entries named "5002e18a.exe" and pointing to "<$SYSDIR>\5002e18a.exe".
Entries named "AutoLoaderAproposClient" and pointing to "cxtpls_loader.exe".
Entries named "SystemDoctor 2006 Free" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe*".
Entries named "SysTray" and pointing to "c:\Program Files\cwjx.exe".
Entries named "cmonitor" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\pasmon.exe".
Entries named "dc6_check" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\dcmon.exe".
Entries named "pas_check" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\pasmon.exe".
Entries named "dc6_check" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\startmon.exe".
Entries named "USDR6cw" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\USDR6cw.exe -c".
Entries named "SystemDoctor 2006 Free".
Entries named "wdw4b384" and pointing to "RUNDLL32.EXE w007f1b1.dll,n 0064b37e0000000a007f1b1".
Entries named "SystemDoctor 2006 Free" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe -scan".
Entries named "cmonitor" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\startupmon.exe".
Installed Software List:
You can try to uninstall products with the names listed below; for items identified by other properties or to avoid malware getting active again on uninstallation, use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) or RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer) to locate and get rid of these entries.
Products that have a key or property named "USDR6U_is1".
Products that have a key or property named "USDR6_is1".
Files:
Please use Windows Explorer or another file manager of your choice to locate and delete these files.
The file at "<$WINDIR>\Doctor.exe".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\DataBase.sav".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\insthelp.exe".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\License.rtf".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\order.dll".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\umain.xml".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\unins000.dat".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\updater.exe".
The file at "<$APPDATA>\SystemDoctor 2006 Free\Logs\update.log".
The file at "<$APPDATA>\SystemDoctor 2006\Logs\update.log".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\lock.dat".
The file at "<$PROGRAMFILES>\SystemDoctor 2006\lock.dat".
The file at "<$DESKTOP>\SystemDoctor 2006.lnk".
The file at "c:\Program Files\cwjx.exe".
The file at "c:\Program Files\secure32.html".
The file at "<$DESKTOP>\SystemDoctor 2006.lnk".
The file at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version\Contact customer support.lnk".
The file at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version\SystemDoctor 2006 on the Web.lnk".
The file at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version\SystemDoctor 2006.lnk".
The file at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version\Uninstall SystemDoctor 2006.lnk".
The file at "c:\r.exe".
The file at "c:\sbbn.exe".
The file at "c:\secure32.html".
The file at "c:\uniq".
The file at "c:\vbbrusk.exe".
The file at "c:\winstall.exe".
The file at "<$SYSDIR>\$$$_.log".
The file at "<$SYSDIR>\Acp1M.exe".
The file at "<$SYSDIR>\IHEX7V.EXE".
The file at "<$SYSDIR>\init32m.exe".
The file at "<$SYSDIR>\win.ini.t00".
The file at "<$SYSDIR>\winbrume.dll".
The file at "<$SYSDIR>\Zgl8.cu6".
A file with an unknown location named "Sd2006.exe".
A file with an unknown location named "updater.exe".
A file with an unknown location named "Activate.exe".
A file with an unknown location named "insthelp.exe".
A file with an unknown location named "order.dll".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\pasmon.exe".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\insthelp.exe".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\Activate.exe".
The file at "<$LOCALSETTINGS>\Temp\SystemDoctorFreeSetup.exe".
The file at "<$LOCALSETTINGS>\Temp\ICD1.tmp\USDR6_0001_D08M0404NetInstaller.exe".
The file at "<$LOCALSETTINGS>\Temp\ICD1.tmp\USDR6_0001_D08M0404NetInstaller.inf".
The file at "<$LOCALSETTINGS>\Temp\USDR6_0001_D19M2108\installer.exe".
The file at "<$LOCALSETTINGS>\Temp\USDR6_0001_D19M2108\size.dat".
The file at "<$LOCALSETTINGS>\Temp\SystemDoctor2006FreeInstall.exe".
The file at "<$LOCALSETTINGS>\Temp\SystemDoctorFreeSetup.exe".
The file at "<$LOCALSETTINGS>\Temp\winfix.chm".
The file at "<$WINDIR>\Downloaded Program Files\USDR6_0001_D08M0404NetInstaller.exe".
The file at "<$LOCALSETTINGS>\Temp\USDR6_0001_D09M0706\installer.exe".
The file at "<$LOCALSETTINGS>\Temp\USDR6_0001_D09M0706\size.dat".
The file at "<$LOCALSETTINGS>\Temp\SystemDoctorFreeSetup.exe".
A file with an unknown location named "installer.exe".
A file with an unknown location named "SystemDoctorFreeSetup.exe".
A file with an unknown location named "SystemDoctor2006FreeInstall.exe".
Make sure you set your file manager to display hidden and system files. If DocTor uses rootkit technologies, use our RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify files!
Important: There are more files that cannot be safely described in simple words. Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) to remove them.
Folders:
Please use Windows Explorer or another file manager of your choice to locate and delete these folders.
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free\SafeMedia\Mp3DB".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free\SafeMedia\MpegDB".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free\SafeMedia\WaveDB".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free\SafeMedia".
The directory at "<$APPDATA>\SystemDoctor 2006 Free".
The directory at "<$APPDATA>\SystemDoctor 2006".
The directory at "<$APPDATA>\SystemDoctor 2006 Free\Logs".
The directory at "<$APPDATA>\SystemDoctor 2006\Logs".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006".
The directory at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free".
The directory at "<$LOCALSETTINGS>\Temp\USDR6_0001_D08M0404".
The directory at "<$LOCALSETTINGS>\Temp\USDR6_0001_D19M2108".
The directory at "<$LOCALSETTINGS>\Temp\USDR6_0001_D09M0706".
Make sure you set your file manager to display hidden and system files. If DocTor uses rootkit technologies, use our RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify folders!
Registry:
You can use regedit.exe (included in Windows) to locate and delete these registry entries.
Delete the registry key "SystemDoctor 2006 FreeSettings" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "SystemDoctor 2006 FreeSettings2" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "SystemDoctor 2006 FreeTaskSettings" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "SystemDoctor 2006" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "SystemDoctor 2006 Free" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "{196B9CB5-4C83-46F7-9B06-9672ECD9D99B}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{434E0224-8689-4C31-9380-3A857EF46F30}" at "HKEY_CLASSES_ROOT\CLSID\".
A key in HKEY_CLASSES_ROOT\ named "SystemDoctor.Free", plus associated values.
Delete the registry key "5RP#9893W#7ST9" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "{196B9CB5-4C83-46F7-9B06-9672ECD9D99B}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "Swartax" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\".
Delete the registry key "BwqoonEwuMBnMaoIBMIoBogwlccwcIlohanIIagwuMwn" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "SystemDoctor 2006 Free" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
If DocTor uses rootkit technologies, use our RegAlyzer (http://www.safer-networking.org/index.php?page=regalyzer), RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
Final Words:
If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
Please read these instructions (http://forums.spybot.info/showthread.php?t=288) before requesting assistance,
Then start your own thread in the Malware Removal Forum (http://forums.spybot.info/forumdisplay.php?f=22) where a volunteer analyst will advise you as soon as available.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.
If this guide was helpful to you, please consider donating towards this site (http://www.safer-networking.org/index.php?page=donate).
Threat Details:
Categories:
worm
Description:
Sophos information: http://www.sophos.com/virusinfo/analyses/w32dotora.html
Symantec information: http://securityresponse.symantec.com/avcenter/venc/data/w32.dotor.a@mm.html
McAfee information: http://vil.mcafee.com/dispVirus.asp?virus_k=99533
Links (be careful!):
Sophos: http://www.sophos.com/virusinfo/analyses/w32dotora.html
Symantec: http://securityresponse.symantec.com/avcenter/venc/data/w32.dotor.a@mm.html
McAfee: http://vil.mcafee.com/dispVirus.asp?virus_k=99533
Removal Instructions:
Desktop:
Please remove the following files from your desktop.
To check where they are pointing to, right-click them and choose "Properties" from the context menu appearing.
Shortcuts named "SystemDoctor 2006.lnk" and pointing to "SystemDoctor 2006 Free\sd2006.exe".
Quicklaunch area:
Please remove the following items from your start quick launch area text to the "Start" button in the taskbar at the bottom.
To check where they are pointing to, right-click them and choose "Properties" from the context menu appearing.
Quicklaunch symbols named "SystemDoctor 2006.lnk" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe*".
Autorun:
Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd), RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer) or msconfig.exe to remove the following autorun entries.
Entries named "DocTor".
Entries named or pointing to "doctor.vbs".
Entries named "SystemDoctor 2006 Free" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe*".
Entries named "Salestart" and pointing to "*SystemDoctor*".
Entries named "SystemDoctor 2006 Free" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe -scan".
Entries named "divx" and pointing to "divxenc.exe".
Entries named "Windows installer" and pointing to "C:\winstall.exe".
Entries named "2RGQ8Z43MNM354" and pointing to "<$SYSDIR>\Acp1M.exe".
Entries named "3stT3FS" and pointing to "ipr40.exe".
Entries named "5002e18a.exe" and pointing to "<$LOCALAPPDATA>\5002e18a.exe".
Entries named "5002e18a.exe" and pointing to "<$SYSDIR>\5002e18a.exe".
Entries named "AutoLoaderAproposClient" and pointing to "cxtpls_loader.exe".
Entries named "SystemDoctor 2006 Free" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe*".
Entries named "SysTray" and pointing to "c:\Program Files\cwjx.exe".
Entries named "cmonitor" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\pasmon.exe".
Entries named "dc6_check" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\dcmon.exe".
Entries named "pas_check" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\pasmon.exe".
Entries named "dc6_check" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\startmon.exe".
Entries named "USDR6cw" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\USDR6cw.exe -c".
Entries named "SystemDoctor 2006 Free".
Entries named "wdw4b384" and pointing to "RUNDLL32.EXE w007f1b1.dll,n 0064b37e0000000a007f1b1".
Entries named "SystemDoctor 2006 Free" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\sd2006.exe -scan".
Entries named "cmonitor" and pointing to "<$PROGRAMFILES>\SystemDoctor 2006 Free\startupmon.exe".
Installed Software List:
You can try to uninstall products with the names listed below; for items identified by other properties or to avoid malware getting active again on uninstallation, use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) or RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer) to locate and get rid of these entries.
Products that have a key or property named "USDR6U_is1".
Products that have a key or property named "USDR6_is1".
Files:
Please use Windows Explorer or another file manager of your choice to locate and delete these files.
The file at "<$WINDIR>\Doctor.exe".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\DataBase.sav".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\insthelp.exe".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\License.rtf".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\order.dll".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\umain.xml".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\unins000.dat".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\updater.exe".
The file at "<$APPDATA>\SystemDoctor 2006 Free\Logs\update.log".
The file at "<$APPDATA>\SystemDoctor 2006\Logs\update.log".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\lock.dat".
The file at "<$PROGRAMFILES>\SystemDoctor 2006\lock.dat".
The file at "<$DESKTOP>\SystemDoctor 2006.lnk".
The file at "c:\Program Files\cwjx.exe".
The file at "c:\Program Files\secure32.html".
The file at "<$DESKTOP>\SystemDoctor 2006.lnk".
The file at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version\Contact customer support.lnk".
The file at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version\SystemDoctor 2006 on the Web.lnk".
The file at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version\SystemDoctor 2006.lnk".
The file at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version\Uninstall SystemDoctor 2006.lnk".
The file at "c:\r.exe".
The file at "c:\sbbn.exe".
The file at "c:\secure32.html".
The file at "c:\uniq".
The file at "c:\vbbrusk.exe".
The file at "c:\winstall.exe".
The file at "<$SYSDIR>\$$$_.log".
The file at "<$SYSDIR>\Acp1M.exe".
The file at "<$SYSDIR>\IHEX7V.EXE".
The file at "<$SYSDIR>\init32m.exe".
The file at "<$SYSDIR>\win.ini.t00".
The file at "<$SYSDIR>\winbrume.dll".
The file at "<$SYSDIR>\Zgl8.cu6".
A file with an unknown location named "Sd2006.exe".
A file with an unknown location named "updater.exe".
A file with an unknown location named "Activate.exe".
A file with an unknown location named "insthelp.exe".
A file with an unknown location named "order.dll".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\pasmon.exe".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\insthelp.exe".
The file at "<$PROGRAMFILES>\SystemDoctor 2006 Free\Activate.exe".
The file at "<$LOCALSETTINGS>\Temp\SystemDoctorFreeSetup.exe".
The file at "<$LOCALSETTINGS>\Temp\ICD1.tmp\USDR6_0001_D08M0404NetInstaller.exe".
The file at "<$LOCALSETTINGS>\Temp\ICD1.tmp\USDR6_0001_D08M0404NetInstaller.inf".
The file at "<$LOCALSETTINGS>\Temp\USDR6_0001_D19M2108\installer.exe".
The file at "<$LOCALSETTINGS>\Temp\USDR6_0001_D19M2108\size.dat".
The file at "<$LOCALSETTINGS>\Temp\SystemDoctor2006FreeInstall.exe".
The file at "<$LOCALSETTINGS>\Temp\SystemDoctorFreeSetup.exe".
The file at "<$LOCALSETTINGS>\Temp\winfix.chm".
The file at "<$WINDIR>\Downloaded Program Files\USDR6_0001_D08M0404NetInstaller.exe".
The file at "<$LOCALSETTINGS>\Temp\USDR6_0001_D09M0706\installer.exe".
The file at "<$LOCALSETTINGS>\Temp\USDR6_0001_D09M0706\size.dat".
The file at "<$LOCALSETTINGS>\Temp\SystemDoctorFreeSetup.exe".
A file with an unknown location named "installer.exe".
A file with an unknown location named "SystemDoctorFreeSetup.exe".
A file with an unknown location named "SystemDoctor2006FreeInstall.exe".
Make sure you set your file manager to display hidden and system files. If DocTor uses rootkit technologies, use our RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify files!
Important: There are more files that cannot be safely described in simple words. Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) to remove them.
Folders:
Please use Windows Explorer or another file manager of your choice to locate and delete these folders.
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free\SafeMedia\Mp3DB".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free\SafeMedia\MpegDB".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free\SafeMedia\WaveDB".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free\SafeMedia".
The directory at "<$APPDATA>\SystemDoctor 2006 Free".
The directory at "<$APPDATA>\SystemDoctor 2006".
The directory at "<$APPDATA>\SystemDoctor 2006 Free\Logs".
The directory at "<$APPDATA>\SystemDoctor 2006\Logs".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006".
The directory at "<$COMMONPROGRAMS>\SystemDoctor 2006 Unregistered Version".
The directory at "<$PROGRAMFILES>\SystemDoctor 2006 Free".
The directory at "<$LOCALSETTINGS>\Temp\USDR6_0001_D08M0404".
The directory at "<$LOCALSETTINGS>\Temp\USDR6_0001_D19M2108".
The directory at "<$LOCALSETTINGS>\Temp\USDR6_0001_D09M0706".
Make sure you set your file manager to display hidden and system files. If DocTor uses rootkit technologies, use our RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify folders!
Registry:
You can use regedit.exe (included in Windows) to locate and delete these registry entries.
Delete the registry key "SystemDoctor 2006 FreeSettings" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "SystemDoctor 2006 FreeSettings2" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "SystemDoctor 2006 FreeTaskSettings" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "SystemDoctor 2006" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "SystemDoctor 2006 Free" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "{196B9CB5-4C83-46F7-9B06-9672ECD9D99B}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{434E0224-8689-4C31-9380-3A857EF46F30}" at "HKEY_CLASSES_ROOT\CLSID\".
A key in HKEY_CLASSES_ROOT\ named "SystemDoctor.Free", plus associated values.
Delete the registry key "5RP#9893W#7ST9" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "{196B9CB5-4C83-46F7-9B06-9672ECD9D99B}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "Swartax" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\".
Delete the registry key "BwqoonEwuMBnMaoIBMIoBogwlccwcIlohanIIagwuMwn" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "SystemDoctor 2006 Free" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
If DocTor uses rootkit technologies, use our RegAlyzer (http://www.safer-networking.org/index.php?page=regalyzer), RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
Final Words:
If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
Please read these instructions (http://forums.spybot.info/showthread.php?t=288) before requesting assistance,
Then start your own thread in the Malware Removal Forum (http://forums.spybot.info/forumdisplay.php?f=22) where a volunteer analyst will advise you as soon as available.