The following instructions have been created to help you to get rid of "webHancer" manually.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.

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Threat Details:

Supposed Functionality:
Monitors web site performance.
Privacy Statement:
Examples of information that we collect are web page address, web page size, web page load time, web page completion state and network delay time.
Links (be careful!):
Website: http://www.webhancer.com/
Product: http://www.webhancer.com/support/index.asp?s=31
Privacy: http://www.webhancer.com/privacy/index.asp?s=90
Removal Instructions:

Autorun:

Please use Spybot-S&D, RunAlyzer or msconfig.exe to remove the following autorun entries.
  • Entries named "webHancer Survey Companion" and pointing to "?<$SYSDRIVE>\Program Files\webHancer\Programs\whSurvey.exe?".
  • Entries named "defender" and pointing to "c:\\dfndrff_e8.exe".
  • Entries named "keyboard" and pointing to "c:\\kybrdff_e8.exe".
  • Entries named "webHancer Survey Companion" and pointing to "*whsurvey.exe".
  • Entries named "webHancer Agent".
  • Entries named "webHancer Survey Companion" and pointing to "C:\Program Files\webHancer\Programs\whSurvey.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 or RunAlyzer to locate and get rid of these entries.
  • Products that have a key or property named "whSurvey".
  • Products that have a key or property named "webHancer Agent".

Files:

Please use Windows Explorer or another file manager of your choice to locate and delete these files.
  • The file at "<$SYSDRIVE>\Program Files\webHancer\Programs\license.txt".
  • The file at "<$SYSDRIVE>\Program Files\webHancer\Programs\readme.txt".
  • The file at "<$SYSDRIVE>\Program Files\webHancer\Programs\sporder.dll".
  • The file at "<$SYSDRIVE>\Program Files\webHancer\Programs\whAgent.exe".
  • The file at "<$SYSDRIVE>\Program Files\webHancer\Programs\whAgent.ini".
  • The file at "<$SYSDRIVE>\Program Files\webHancer\Programs\whiehlpr.dll".
  • The file at "<$SYSDRIVE>\Program Files\webHancer\Programs\whSurvey.exe".
  • The file at "<$WINDIR>\hancerdoem.exe".
  • The file at "<$WINDIR>\whCC-GIANT.exe".
  • The file at "c:\dfndrff_e8.exe".
  • The file at "c:\kybrdff_e8.exe".
  • The file at "<$SYSDIR>\loy9eb63.dll".
  • The file at "<$SYSDIR>\loy9eb63.sys".
  • The file at "<$PROGRAMFILES>\webHancer\Programs\license.txt".
  • The file at "<$PROGRAMFILES>\webHancer\Programs\readme.txt".
  • The file at "<$PROGRAMFILES>\webHancer\Programs\sporder.dll".
  • The file at "<$PROGRAMFILES>\webHancer\Programs\webhdll.dll".
  • The file at "<$PROGRAMFILES>\webHancer\Programs\whagent.ini".
  • The file at "<$PROGRAMFILES>\webHancer\Programs\whiehlpr.dll".
  • The file at "<$PROGRAMFILES>\webHancer\Programs\whinstaller.exe".
  • The file at "<$PROGRAMFILES>\webHancer\Programs\whsurvey.exe".
  • The file at "<$PROGRAMFILES>\whInstall\license.txt".
  • The file at "<$PROGRAMFILES>\whInstall\readme.txt".
  • The file at "<$PROGRAMFILES>\whInstall\whAgent.ini".
  • The file at "c:\WHCC2.exe".
  • A file with an unknown location named "whsurvey.exe".
  • The file at "<$WINDIR>\webhdll.dll".
  • The file at "<$WINDIR>\Temp\webhdll.dll".
  • The file at "<$WINDIR>\whAgent.inf".
  • The file at "<$WINDIR>\whInstaller.exe".
  • The file at "<$WINDIR>\whInstaller.ini".
  • A file with an unknown location named "whCC-corporate.exe".
  • The file at "<$WINDIR>\Temp\whCC-GROKSTER.exe".
  • The file at "c:\Program Files\webHancer\Programs\whiehlpr.dll".
Make sure you set your file manager to display hidden and system files. If webHancer uses rootkit technologies, use our RootAlyzer or our Total Commander anti-rootkit plugins.
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 to remove them.

Folders:

Please use Windows Explorer or another file manager of your choice to locate and delete these folders.
  • The directory at "<$SYSDRIVE>\Program Files\webHancer".
  • The directory at "<$SYSDRIVE>\Program Files\webHancer\Programs".
  • The directory at "<$PROGRAMFILES>\webHancer\Programs".
  • The directory at "<$PROGRAMFILES>\whInstall".
  • The directory at "C:\Program Files\webHancer".
Make sure you set your file manager to display hidden and system files. If webHancer uses rootkit technologies, use our RootAlyzer or our Total Commander anti-rootkit plugins.
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 "{C900B400-CDFE-11D3-976A-00E02913A9E0}" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\".
  • A key in HKEY_CLASSES_ROOT\ named "WhIeHelperObj.WhIeHelperObj", plus associated values.
  • Delete the registry key "{C89435B0-CDFE-11D3-976A-00E02913A9E0}" at "HKEY_CLASSES_ROOT\Interface\".
  • Delete the registry key "{C8CB3870-CDFE-11D3-976A-00E02913A9E0}" at "HKEY_CLASSES_ROOT\TypeLib\".
  • Delete the registry key "webHancer" at "HKEY_LOCAL_MACHINE\Software\".
  • Delete the registry key "{c900b400-cdfe-11d3-976a-00e02913a9e0}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
If webHancer uses rootkit technologies, use our RegAlyzer, RootAlyzer or our Total Commander anti-rootkit plugins.

Special Parts:

There are more tricky parts of this threat that cannot be easily described in words.
  • Possibly malicious network drivers are monitoring your complete network traffic.

Final Words:

If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
  1. Please read these instructions before requesting assistance,
  2. Then start your own thread in the Malware Removal Forum where a volunteer analyst will advise you as soon as available.