Manual Removal Guide for MarketScore

The following instructions have been created to help you to get rid of "MarketScore" 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.

Threat Details:

Categories:

• spyware

Supposed Functionality:

A proxy boasting to improve internet speed, while monitoring your internet use to make prognoses.

Privacy Statement:

Marketscore monitors your surfing, essentially logging information about the web pages that you visit and the actions that you take, such as the purchases and transactions you make. [...] Please note that while we do not sell any personally identifiable member information, we do share personally identifiable information with those third parties who help us deliver the Marketscore service to you.

Links (be careful!):

Website: http://www.marketscore.com/
Product: http://www.marketscore.com/d/surffaster.asp
Privacy: http://www.marketscore.com/d/privacy_statement.asp

Removal Instructions:

Autorun:

Please use Spybot-S&D, RunAlyzer or msconfig.exe to remove the following autorun entries.

• Entries named "NSCheck".
• Entries named "OSSProxy".
• Entries named "OSS" and pointing to "<$SYSDIR>\ossproxy.exe*".
• Entries named "RelevantKnowledge" and pointing to "<$SYSDIR>\rlvknlg.exe*".
• Entries named "OSSProxy" and pointing to "<$SYSDIR>\rlvknlg.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 "{b58783bc-ea15-4926-aa30-61e4a4cf458a}".

Files:

Please use Windows Explorer or another file manager of your choice to locate and delete these files.

• The file at "<$LOCALSETTINGS>\Temp\osi3E.tmp".
• The file at "<$LOCALSETTINGS>\Temp\osi40.tmp".
• The file at "<$WINDIR>\rk.exe".
• The file at "<$WINDIR>\Downloaded Program Files\nsconfig.dll".
• The file at "<$WINDIR>\Downloaded Program Files\nsconfig.inf".
• The file at "<$SYSDIR>\csloa.dl_".
• The file at "<$SYSDIR>\nscheck.exe".
• The file at "<$SYSDIR>\ossproxy.exe".
• The file at "<$SYSDIR>\okshook.dll".
• The file at "<$SYSDIR>\osconfig.dll".
• The file at "<$SYSDIR>\osmim.dll".
• The file at "<$WINDIR>\rk.exe".
• The file at "<$SYSDIR>\rlvknlg.exe".
• The file at "<$SYSDIR>\rlvknlg.exe".
• The file at "<$SYSDIR>\rlls.dll".
• The file at "<$SYSDIR>\rlls.dll".
• The file at "<$SYSDIR>\rk.bin".
• The file at "<$SYSDIR>\rk.bin".

Make sure you set your file manager to display hidden and system files. If MarketScore 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.

Registry:

You can use regedit.exe (included in Windows) to locate and delete these registry entries.

• Delete the registry value "<$SYSDIR>\rlvknlg.exe" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\".
• Delete the registry value "<$SYSDIR>\rlvknlg.exe" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\".
• Delete the registry value "<$SYSDIR>\rlvknlg.exe" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\".
• References to the file "ossproxy.exe" at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ModuleUsage\.
• References to the file "nscheck.exe" at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ModuleUsage\.
• References to the file "nsconfig.dll" at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ModuleUsage\.
• References to the file "csloa.dl_" at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ModuleUsage\.
• References to the file "ossproxy.exe" at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDlls\.
• References to the file "nscheck.exe" at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDlls\.
• References to the file "nsconfig.dll" at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDlls\.
• References to the file "csloa.dl_" at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDlls\.
• Delete the registry key "{B2C03E2E-2219-4FF9-810A-540ACA63F8D9}" at "HKEY_LOCAL_MACHINE\Software\Microsoft\Code Store Database\Distribution Units\".
• Delete the registry key "Netsetter" at "HKEY_CURRENT_USER\Software\".
• A key with a likely random name in HKEY_CLASSES_ROOT\CLSID\ that has "nsBrowserConfig Class 2" as its default value data.
• A key with a likely random name in HKEY_CLASSES_ROOT\Interfaces\ that has "InsBrowserConfig" as its default value data.
• A key with a likely random name in HKEY_CLASSES_ROOT\Typelibs\ that has "nsconfig 1.0 Type Library" as its default value data.
• A key in HKEY_CLASSES_ROOT\ named "Nsconfig.nsBrowserConfig", plus associated values.
• Delete the registry value "Del15818" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Runonce\".
• Delete the registry value "Del41" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Runonce\".

If MarketScore uses rootkit technologies, use our RegAlyzer, RootAlyzer or our Total Commander anti-rootkit plugins.

There are more registry entries that cannot be safely described in simple words. Please use Spybot-S&D to remove them.

Browser:

The following browser plugins or items can either be removed directly in your browser, or through the help of e.g. Spybot-S&D or RunAlyzer.

• Look for ActiveX software installed from "www.marketscore.com".

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.