Friday
2008-11-29, 14:58
The following instructions have been created to help you to get rid of "CnsMin" 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:
hijacker
Description:
Parts of this are optional for intallation along with YiSou Toolbar but other parts - which are not mentioned prior to installation - are getting downloaded , installed and executed without any explicit user consent nor notification.
The program also adds itself to system startup. After uninstalling YiSou Toolbar CnsMin still remains on system.
Links (be careful!):
Website: http://www.3721.com/
Removal Instructions:
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 "helper.dll".
Entries named "assistse".
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 "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}".
Files:
Please use Windows Explorer or another file manager of your choice to locate and delete these files.
The file at "<$PROGRAMFILES>\3721\AutoLive.dll".
The file at "<$PROGRAMFILES>\3721\cns01.dat".
The file at "<$PROGRAMFILES>\3721\Helper.dll".
The file at "<$PROGRAMFILES>\3721\Assist\asbar.dll".
The file at "<$PROGRAMFILES>\3721\Assist\assist.dll".
The file at "<$PROGRAMFILES>\3721\alrex.dll".
The file at "<$PROGRAMFILES>\3721\autolive.dll".
The file at "<$PROGRAMFILES>\3721\helper.dll".
The file at "<$WINDIR>\Downloaded Program Files\assis.ico".
The file at "<$WINDIR>\Downloaded Program Files\CnsHint.cab".
The file at "<$WINDIR>\Downloaded Program Files\cnshint.dll".
The file at "<$WINDIR>\Downloaded Program Files\CnsMinAL.cab".
The file at "<$WINDIR>\Downloaded Program Files\CnsMinCg.ini".
The file at "<$WINDIR>\Downloaded Program Files\CnsMinDT.cab".
The file at "<$WINDIR>\Downloaded Program Files\CnsMinDT.dll".
The file at "<$WINDIR>\Downloaded Program Files\CnsPlus.cab".
The file at "<$WINDIR>\Downloaded Program Files\cnsplus.dll".
The file at "<$WINDIR>\Downloaded Program Files\CnsUp.ini".
The file at "<$WINDIR>\Downloaded Program Files\keepmain.dll".
The file at "<$WINDIR>\Downloaded Program Files\keepmainM.cab".
The file at "<$SYSDIR>\cns.dat".
The file at "<$WINDIR>\Downloaded Program Files\Cns02.dat".
The file at "<$WINDIR>\Downloaded Program Files\CnsInst.dll".
The file at "<$PROGRAMFILES>\3721\asnoad.dll".
Make sure you set your file manager to display hidden and system files. If CnsMin 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 "C:\Program Files\3721".
The directory at "<$PROGRAMFILES>\3721".
The directory at "<$WINDIR>\Downloaded Program Files\3721".
Make sure you set your file manager to display hidden and system files. If CnsMin 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.
A key in HKEY_CLASSES_ROOT\ named "Assist.EasyAssist", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "Assist.EasyAssist.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "AutoLive.Live", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "AutoLive.Live.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "CoolBar.CoolBarObj", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "CoolBar.CoolBarObj.1", plus associated values.
Delete the registry key "{7436DB12-1A7A-4D87-A4E0-713EC9D86050}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{924F5B3A-7A27-484A-B873-E855C9708667}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{D4839331-534D-4D0C-875F-D25AF6A10CCC}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{19069804-2CF0-4357-B696-BA6E9AAD99EF}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry value "CNSAutoUpdate" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\".
A key in HKEY_CLASSES_ROOT\ named "ADKiller.ADKillerObj", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "ADKiller.ADKillerObj.1", plus associated values.
Delete the registry key "{9EB2B422-C9EE-46C4-A471-1E79C7517B1D}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{ABEC6103-F6AC-43A3-834F-FB03FBA339A2}" at "HKEY_CLASSES_ROOT\CLSID\".
A key in HKEY_CLASSES_ROOT\ named "FFlash.FlashObjectInterface", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "FFlash.FlashObjectInterface.1", plus associated values.
Delete the registry key "{172862CD-9D35-40E7-BAF2-BA7ECF043B9C}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{1BB0ABBE-2D95-4847-B9D8-6F90DE3714C1}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{48E688C8-609F-4B08-944E-3C7FAB99CD08}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{C3A9F7F8-8862-496A-B8A4-25D4140B7DBC}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{7354662F-CAA3-448B-BC01-04F55A2DCA35}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{A5ADEAE7-A8B4-4F94-9128-BF8D8DB5E927}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{F97E75A4-0103-4F27-A752-327B600B1130}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{F9AD9D67-EFA8-480E-8291-0163F3960DE7}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{00000000-0000-0001-0001-596BAEDD1289}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extensions\".
Delete the registry key "{59BC54A2-56B3-44a0-93E5-432D58746E26}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extensions\".
Delete the registry key "CnsMinKP" at "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\".
If CnsMin 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).
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 (http://www.safer-networking.org/index.php?page=spybotsd) or RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer).
Please check your bookmarks for links to "3721.com".
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:
hijacker
Description:
Parts of this are optional for intallation along with YiSou Toolbar but other parts - which are not mentioned prior to installation - are getting downloaded , installed and executed without any explicit user consent nor notification.
The program also adds itself to system startup. After uninstalling YiSou Toolbar CnsMin still remains on system.
Links (be careful!):
Website: http://www.3721.com/
Removal Instructions:
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 "helper.dll".
Entries named "assistse".
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 "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}".
Files:
Please use Windows Explorer or another file manager of your choice to locate and delete these files.
The file at "<$PROGRAMFILES>\3721\AutoLive.dll".
The file at "<$PROGRAMFILES>\3721\cns01.dat".
The file at "<$PROGRAMFILES>\3721\Helper.dll".
The file at "<$PROGRAMFILES>\3721\Assist\asbar.dll".
The file at "<$PROGRAMFILES>\3721\Assist\assist.dll".
The file at "<$PROGRAMFILES>\3721\alrex.dll".
The file at "<$PROGRAMFILES>\3721\autolive.dll".
The file at "<$PROGRAMFILES>\3721\helper.dll".
The file at "<$WINDIR>\Downloaded Program Files\assis.ico".
The file at "<$WINDIR>\Downloaded Program Files\CnsHint.cab".
The file at "<$WINDIR>\Downloaded Program Files\cnshint.dll".
The file at "<$WINDIR>\Downloaded Program Files\CnsMinAL.cab".
The file at "<$WINDIR>\Downloaded Program Files\CnsMinCg.ini".
The file at "<$WINDIR>\Downloaded Program Files\CnsMinDT.cab".
The file at "<$WINDIR>\Downloaded Program Files\CnsMinDT.dll".
The file at "<$WINDIR>\Downloaded Program Files\CnsPlus.cab".
The file at "<$WINDIR>\Downloaded Program Files\cnsplus.dll".
The file at "<$WINDIR>\Downloaded Program Files\CnsUp.ini".
The file at "<$WINDIR>\Downloaded Program Files\keepmain.dll".
The file at "<$WINDIR>\Downloaded Program Files\keepmainM.cab".
The file at "<$SYSDIR>\cns.dat".
The file at "<$WINDIR>\Downloaded Program Files\Cns02.dat".
The file at "<$WINDIR>\Downloaded Program Files\CnsInst.dll".
The file at "<$PROGRAMFILES>\3721\asnoad.dll".
Make sure you set your file manager to display hidden and system files. If CnsMin 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 "C:\Program Files\3721".
The directory at "<$PROGRAMFILES>\3721".
The directory at "<$WINDIR>\Downloaded Program Files\3721".
Make sure you set your file manager to display hidden and system files. If CnsMin 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.
A key in HKEY_CLASSES_ROOT\ named "Assist.EasyAssist", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "Assist.EasyAssist.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "AutoLive.Live", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "AutoLive.Live.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "CoolBar.CoolBarObj", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "CoolBar.CoolBarObj.1", plus associated values.
Delete the registry key "{7436DB12-1A7A-4D87-A4E0-713EC9D86050}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{924F5B3A-7A27-484A-B873-E855C9708667}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{BE08F6BC-C3E6-4149-BEB1-CB449E1B372E}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{D4839331-534D-4D0C-875F-D25AF6A10CCC}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{19069804-2CF0-4357-B696-BA6E9AAD99EF}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry value "CNSAutoUpdate" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\".
A key in HKEY_CLASSES_ROOT\ named "ADKiller.ADKillerObj", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "ADKiller.ADKillerObj.1", plus associated values.
Delete the registry key "{9EB2B422-C9EE-46C4-A471-1E79C7517B1D}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{ABEC6103-F6AC-43A3-834F-FB03FBA339A2}" at "HKEY_CLASSES_ROOT\CLSID\".
A key in HKEY_CLASSES_ROOT\ named "FFlash.FlashObjectInterface", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "FFlash.FlashObjectInterface.1", plus associated values.
Delete the registry key "{172862CD-9D35-40E7-BAF2-BA7ECF043B9C}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{1BB0ABBE-2D95-4847-B9D8-6F90DE3714C1}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{48E688C8-609F-4B08-944E-3C7FAB99CD08}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{C3A9F7F8-8862-496A-B8A4-25D4140B7DBC}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{7354662F-CAA3-448B-BC01-04F55A2DCA35}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{A5ADEAE7-A8B4-4F94-9128-BF8D8DB5E927}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{F97E75A4-0103-4F27-A752-327B600B1130}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{F9AD9D67-EFA8-480E-8291-0163F3960DE7}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{00000000-0000-0001-0001-596BAEDD1289}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extensions\".
Delete the registry key "{59BC54A2-56B3-44a0-93E5-432D58746E26}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Extensions\".
Delete the registry key "CnsMinKP" at "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\".
If CnsMin 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).
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 (http://www.safer-networking.org/index.php?page=spybotsd) or RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer).
Please check your bookmarks for links to "3721.com".
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.