Friday
2008-11-29, 15:00
The following instructions have been created to help you to get rid of "Dmcast.Toolbar" 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:
trojan
Description:
Toolbar installs without user consent in background. It also has multiple processes running in background and is related to other chinese trojans, which sabotage the computers security systems.
Supposed Functionality:
appears to be some kind of toolbar for the Internet Explorer
Removal Instructions:
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 "IE-Bar".
Files:
Please use Windows Explorer or another file manager of your choice to locate and delete these files.
The file at "<$WINDIR>\Tasks\DM_Install_Program.job".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\bfrw_3010.inf".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\bfyswj.inf".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\dxgdgjc.inf".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\yxssj_3010.inf".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\GGS\hmd.idx".
The file at "<$TEMPLATES>\93d0cab\1.dll".
The file at "<$TEMPLATES>\93d0cab\2.exe".
The file at "<$TEMPLATES>\93d0cab\3.dll".
The file at "<$TEMPLATES>\93d0cab\4.dll".
The file at "<$COMMONPROGRAMFILES>\IE-Bar\dmbar.dll".
The file at "<$COMMONPROGRAMFILES>\IE-Bar\iebar.exe".
The file at "<$COMMONPROGRAMFILES>\IE-Bar\license.txt".
The file at "<$COMMONSTARTUP>\IE-Bar.lnk".
The file at "<$SYSDIR>\4822a73a\2ad73.exe".
The file at "<$SYSDIR>\4822a73a\2al73.dll".
The file at "<$SYSDIR>\4822a73a\2an73.dll".
The file at "<$SYSDIR>\4822a73a\2ar73.dll".
The file at "<$SYSDIR>\91dd2fa0.dll".
The file at "<$SYSDIR>\91di2fa.exe".
Make sure you set your file manager to display hidden and system files. If Dmcast.Toolbar 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 "<$COMMONAPPDATA>\Share Helper\Cast".
The directory at "<$COMMONAPPDATA>\Share Helper\Cast\GGS".
The directory at "<$TEMPLATES>\93d0cab".
The directory at "<$COMMONPROGRAMFILES>\IE-Bar".
The directory at "<$SYSDIR>\4822a73a".
Make sure you set your file manager to display hidden and system files. If Dmcast.Toolbar 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 "AuthorizedApplica" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\".
Delete the registry key "AuthorizedApplica" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\".
Delete the registry key "AuthorizedApplica" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\".
Delete the registry key "{1FCA37BA-7259-4BF1-878B-A39FA83BFBBB}" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Explorer Bars\".
Delete the registry key "{F2E37336-BFDB-409B-8D0E-6F013C438B20}" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\".
Delete the registry key "sharehelper" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "{65EF7AD4-1340-4A36-A097-95FF17E243E1}" at "HKEY_CLASSES_ROOT\AppID\".
Delete the registry key "DelayLoad.DLL" at "HKEY_CLASSES_ROOT\AppID\".
Delete the registry key "{1FCA37BA-7259-4BF1-878B-A39FA83BFBBB}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{5A6F2F95-3191-433B-8533-EB0B596A7BAC}" at "HKEY_CLASSES_ROOT\CLSID\".
A key in HKEY_CLASSES_ROOT\ named "DelayLoad.LoadRun", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "DelayLoad.LoadRun.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "Dmbar.dmbar", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "Dmbar.dmbar.1", plus associated values.
Delete the registry key "{265379DB-90F0-45DB-9B10-640DCB1145FD}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{8C9377D3-D823-46A6-A8AC-B3913F9B6CA2}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{25649A6A-637D-4416-9D03-98146330492A}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{86645AFC-0B33-4275-BFE6-FAE9FCD886D1}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "dmshareware" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "IE-Bar" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "sharehelper" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry value "DelayRun" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Remove "<$SYSDIR>\91di2fa.exe" from registry value "load" at "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\".
If Dmcast.Toolbar 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:
trojan
Description:
Toolbar installs without user consent in background. It also has multiple processes running in background and is related to other chinese trojans, which sabotage the computers security systems.
Supposed Functionality:
appears to be some kind of toolbar for the Internet Explorer
Removal Instructions:
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 "IE-Bar".
Files:
Please use Windows Explorer or another file manager of your choice to locate and delete these files.
The file at "<$WINDIR>\Tasks\DM_Install_Program.job".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\bfrw_3010.inf".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\bfyswj.inf".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\dxgdgjc.inf".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\yxssj_3010.inf".
The file at "<$COMMONAPPDATA>\Share Helper\Cast\GGS\hmd.idx".
The file at "<$TEMPLATES>\93d0cab\1.dll".
The file at "<$TEMPLATES>\93d0cab\2.exe".
The file at "<$TEMPLATES>\93d0cab\3.dll".
The file at "<$TEMPLATES>\93d0cab\4.dll".
The file at "<$COMMONPROGRAMFILES>\IE-Bar\dmbar.dll".
The file at "<$COMMONPROGRAMFILES>\IE-Bar\iebar.exe".
The file at "<$COMMONPROGRAMFILES>\IE-Bar\license.txt".
The file at "<$COMMONSTARTUP>\IE-Bar.lnk".
The file at "<$SYSDIR>\4822a73a\2ad73.exe".
The file at "<$SYSDIR>\4822a73a\2al73.dll".
The file at "<$SYSDIR>\4822a73a\2an73.dll".
The file at "<$SYSDIR>\4822a73a\2ar73.dll".
The file at "<$SYSDIR>\91dd2fa0.dll".
The file at "<$SYSDIR>\91di2fa.exe".
Make sure you set your file manager to display hidden and system files. If Dmcast.Toolbar 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 "<$COMMONAPPDATA>\Share Helper\Cast".
The directory at "<$COMMONAPPDATA>\Share Helper\Cast\GGS".
The directory at "<$TEMPLATES>\93d0cab".
The directory at "<$COMMONPROGRAMFILES>\IE-Bar".
The directory at "<$SYSDIR>\4822a73a".
Make sure you set your file manager to display hidden and system files. If Dmcast.Toolbar 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 "AuthorizedApplica" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\".
Delete the registry key "AuthorizedApplica" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\".
Delete the registry key "AuthorizedApplica" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\".
Delete the registry key "{1FCA37BA-7259-4BF1-878B-A39FA83BFBBB}" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Explorer Bars\".
Delete the registry key "{F2E37336-BFDB-409B-8D0E-6F013C438B20}" at "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\".
Delete the registry key "sharehelper" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "{65EF7AD4-1340-4A36-A097-95FF17E243E1}" at "HKEY_CLASSES_ROOT\AppID\".
Delete the registry key "DelayLoad.DLL" at "HKEY_CLASSES_ROOT\AppID\".
Delete the registry key "{1FCA37BA-7259-4BF1-878B-A39FA83BFBBB}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{5A6F2F95-3191-433B-8533-EB0B596A7BAC}" at "HKEY_CLASSES_ROOT\CLSID\".
A key in HKEY_CLASSES_ROOT\ named "DelayLoad.LoadRun", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "DelayLoad.LoadRun.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "Dmbar.dmbar", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "Dmbar.dmbar.1", plus associated values.
Delete the registry key "{265379DB-90F0-45DB-9B10-640DCB1145FD}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{8C9377D3-D823-46A6-A8AC-B3913F9B6CA2}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{25649A6A-637D-4416-9D03-98146330492A}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{86645AFC-0B33-4275-BFE6-FAE9FCD886D1}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "dmshareware" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "IE-Bar" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "sharehelper" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry value "DelayRun" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Remove "<$SYSDIR>\91di2fa.exe" from registry value "load" at "HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\".
If Dmcast.Toolbar 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.