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What is the ashShell.dll component needed for?

Simply stated, a DLL file is an unnamed executable file. It cannot be directly invoked, but it can be called by any executable Windows program.

The ashShell.dll process is also known as Avast Shell Extension and is a part of Avast Free Antivirus or, as the case may be, Avast Internet Security. This software is produced by AVAST Software (www.avast.com). An obsolete or defective version of ashShell.dll can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about ashShell.dll Avast Shell Extension

ashShell.dll is not part of Windows, but it is important nonetheless. AshShell.dll is found in a subdirectory of "C:\Program Files" or sometimes in a subdirectory of C:\. Frequently occurring are file sizes such as 723,976 bytes (20% of all these files), 645,144 bytes as well as 21 other variants.
This so-called dynamic link library (DLL) contains all the functions that have been transferred to a separate file. These transferred functions are available not only to this particular program, but can also be used by other applications. The service has no characteristics or description of its own. This is unusual. The original file has a digital certificate (see its file properties). The application does not appear as a visible window, but only in Task Manager. It does not come from Microsoft and is not part of the operating system. The file also can also affect other applications by changing their properties. Such manipulation can cause an application to do things other than what it is intended to do. AshShell.dll is capable of monitor other applications. For this reason, 54% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves ashShell.dll. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about ashShell?

AVAST Virus Scanner
SSigurdarson
Im using it, and its deleting virus.
tttommeke
It is used for the Virus Scanner AVAST
BLange
Free virus scanner. Really great. (further information...)
Kjeld
come eliminarlo
argiolas marco

Summary: 9 users judge ashShell.dll to be an essential file that should not be touched. source: file.net

How to uninstall Avast Free Antivirus or Avast Internet Security

To remove Avast Shell Extension from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate Avast Free Antivirus or Avast Internet Security in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
ashShell.dll Avast Shell Extension fix

How to tell if ashShell.dll (Avast Shell Extension) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Avast Shell Extension. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Avast Shell Extension or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or ashShell.dll is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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