Friday
2016-08-23, 09:09
The following instructions have been created to help you to get rid of "PU.3721Assist" 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:
pups
bho
Description:
PU.3721Assist installs Browser Add-Ons and files and folders into the program files subfolder "3721". It displays advertisements and monitors the search requests.
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 "{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 "<$PROGRAMFILES>\3721\assist\adfilter.dll".
The file at "<$PROGRAMFILES>\3721\assist\assisres.dll".
The file at "<$PROGRAMFILES>\3721\assist\assist.dll".
The file at "<$PROGRAMFILES>\3721\assist\eheflash.dll".
The file at "<$PROGRAMFILES>\3721\assist\optimum.dll".
The file at "<$PROGRAMFILES>\3721\assist\repair.dll".
The file at "<$PROGRAMFILES>\3721\autolive.dll".
The file at "<$PROGRAMFILES>\3721\Helper.dll".
Make sure you set your file manager to display hidden and system files. If PU.3721Assist uses rootkit technologies, use the rootkit scanner integrated into Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) 2.x 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 "<$PROGRAMFILES>\3721\3721\assist".
The directory at "<$PROGRAMFILES>\3721\3721".
The directory at "<$PROGRAMFILES>\3721\assist".
The directory at "<$PROGRAMFILES>\3721".
Make sure you set your file manager to display hidden and system files. If PU.3721Assist 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.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "Assist.EasyAssist", plus associated values.
Delete the registry key "{19069804-2CF0-4357-B696-BA6E9AAD99EF}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{1B0E7716-898E-48CC-9690-4E338E8DE1D3}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{7CA83CF1-3AEA-42D0-A4E3-1594FC6E48B2}" at "HKEY_CLASSES_ROOT\CLSID\".
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 "3721" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "3721" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry value "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks\".
Delete the registry value "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\".
If PU.3721Assist 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:
pups
bho
Description:
PU.3721Assist installs Browser Add-Ons and files and folders into the program files subfolder "3721". It displays advertisements and monitors the search requests.
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 "{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 "<$PROGRAMFILES>\3721\assist\adfilter.dll".
The file at "<$PROGRAMFILES>\3721\assist\assisres.dll".
The file at "<$PROGRAMFILES>\3721\assist\assist.dll".
The file at "<$PROGRAMFILES>\3721\assist\eheflash.dll".
The file at "<$PROGRAMFILES>\3721\assist\optimum.dll".
The file at "<$PROGRAMFILES>\3721\assist\repair.dll".
The file at "<$PROGRAMFILES>\3721\autolive.dll".
The file at "<$PROGRAMFILES>\3721\Helper.dll".
Make sure you set your file manager to display hidden and system files. If PU.3721Assist uses rootkit technologies, use the rootkit scanner integrated into Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) 2.x 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 "<$PROGRAMFILES>\3721\3721\assist".
The directory at "<$PROGRAMFILES>\3721\3721".
The directory at "<$PROGRAMFILES>\3721\assist".
The directory at "<$PROGRAMFILES>\3721".
Make sure you set your file manager to display hidden and system files. If PU.3721Assist 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.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "Assist.EasyAssist", plus associated values.
Delete the registry key "{19069804-2CF0-4357-B696-BA6E9AAD99EF}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{1B0E7716-898E-48CC-9690-4E338E8DE1D3}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{4158DB95-DE71-41FF-BEA1-2C3D1C679DF1}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{7CA83CF1-3AEA-42D0-A4E3-1594FC6E48B2}" at "HKEY_CLASSES_ROOT\CLSID\".
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 "3721" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "3721" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry value "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\URLSearchHooks\".
Delete the registry value "{1B0E7716-898E-48cc-9690-4E338E8DE1D3}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Toolbar\".
If PU.3721Assist 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.