Most reports from anti-virus programs classify awtst.dll file as malware. Symantec identifies this file as Trojan.Vundo.B. This DLL file is located in the C:\Windows\System32 folder. Known sizes for this file include 281,172 bytes, 577,588 bytes with 7% occurrence and 40 other variants. This dynamically loaded or linked file is a BHO or browser helper object that loads automatically when the Internet browser starts. Malware such as adware and spyware often use BHOs in their malicious activities because personal firewalls usually do not block these BHOs because the firewall identifies the BHO as the browser itself. IDs associated with this BHO include 00DBDAC8-4691-4797-8E6A-7C6AB89BC441, B313D637-F405-4052-AC37-E2119AB3C8F8 and 81 other variants. This application is not visible to the user. It appears as unknown file on Windows folder. It can monitor and manipulate other applications. Automatic startup locations for this process include Explorer BHOs, authentication packages, Winlogon notification, Explorer ShellExecuteHooks and local machine for autorun registry entries.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. awtst.dll. is used by Trojan.Vundo.B, If you shut down awtst.dll, it will likely start again at a later time either after you restart your computer or after an application start. To stop awtst.dll, permanently you need to uninstall the application that runs this process which in this case is Trojan.Vundo.B, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed awtst.dll

A process usually a part of an installed application such as Trojan.Vundo.B, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if awtst.dll. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that awtst.dll, belongs to, in this case Trojan.Vundo.B