Most antivirus programs classify webtools.dll as a harmful extension to Internet Explorer: such as Trojan:Win32/Matcash.gen!E (detected by Microsoft), and TROJ_BHO.LB or TROJ_GEN.R99C1AH (detected by TrendMicro). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated webtools.dll software, it's no surprise. In most cases, this kind of adware is installed on the side when you install a freeware product like a Youtube Downloader or a PDF Converter. In the following selection, you can read more about webtools.dll and how to get rid of it.
The process webtools.dll contains no information about the creator.
Description: Webtools.dll is not essential for Windows and will often cause problems. Webtools.dll is located in a subfolder of "C:\Program Files".
Known file sizes on Windows 10/8/7/XP are 90,624 bytes (70% of all occurrences), 91,648 bytes or 91,136 bytes.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 15421B84-3488-49A7-AD18-CBF84A3EFAF6. There is no file information. The program has no visible window. It is able to monitor web browsers. The file is not a Windows system file. Therefore the technical security rating is 68% dangerous.
Recommended: Identify webtools.dll related errors
Important: You should check the webtools.dll process on your PC to see if it is a threat. If webtools.dll has changed your browser's search engine and start page, you can recover your browser's default settings as follows:Reset default browser settings for Internet-Explorer ▾
The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active webtools process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the webtools.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.