Some anti-malware programs classify Helper.dll as a harmful extension to Internet Explorer: for instance Trojan.Win32.Vapsup.nbd or Trojan-PSW.Win32.LdPinch.ajcl (detected by Kaspersky), and Adware:W32/CnsMin (detected by F-Secure). Add-ons like this can display ads, slow down your computer and cause various other errors. If you can't remember installing the associated Helper Dynamic Link Library 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 Helper Dynamic Link Library and how to get rid of it.
The process known as Helper Dynamic Link Library or distribution or rt.dll appears to belong to software Browser Helper Object or rt.bho or ScreenSnaperGadget or com.bho or distribution by DCUtility (www3.sympatico.ca/danycantin).
Description: Helper.dll is not essential for Windows and will often cause problems. The Helper.dll file is located in a subfolder of "C:\Program Files".
Known file sizes on Windows 10/8/7/XP are 282,636 bytes (23% of all occurrences), 290,816 bytes and 7 more variants.
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 AFD4AD01-58C1-47DB-A404-FBE00A6C5486 or B4FAF6E4-77D0-46c7-8656-7F7B45056451. The program has no visible window. There is no detailed description of this service. Helper.dll is not a Windows system file. There is no file information. The Helper.dll file is able to monitor web browsers. Helper.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 79% dangerous, however you should also read the user reviews.
Recommended: Identify Helper.dll related errors
If Helper.dll is located in a subfolder of the user's profile folder, the security rating is 92% dangerous. The file size is 290,816 bytes. The program is not visible. The service has no detailed description. It is able to record keyboard inputs. Helper.dll is not a Windows core file. Helper.dll is able to record keyboard and mouse inputs.
If Helper.dll is located in the C:\Windows\System32 folder, the security rating is 100% dangerous. The file size is 58,880 bytes. There is no description of the program. The program has no visible window. There is no detailed description of this service. The Helper.dll file is not a Windows system file. The process starts when Windows starts (see Registry key: Winlogon\Shell, MACHINE\Run). Helper.dll is able to record keyboard inputs. Helper.dll is able to record keyboard and mouse inputs.
Important: Some malware also uses the file name Helper.dll, for example Trojan.Win32.Vapsup.nbd or Trojan-PSW.Win32.LdPinch.ajcl (detected by Kaspersky), and Adware:W32/CnsMin (detected by F-Secure). Therefore, you should check the Helper.dll process on your PC to see if it is a threat. If Helper Dynamic Link Library 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: Security Task Manager examines the active Helper process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the Helper.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 cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.