The commdl.dll file has been reported by many users as a malicious application flagged by their anti-malware tools as a variant of the Trojan.Win32.BHO.agz program, which is a family of Trojans known to infect unprotected Windows-based systems with outdated system security certificates and unencrypted TCP/IP network ports. These users claim that the commdl.dll file is activated by one of its EXE component processes during system startup, in order for the commdl.dll file to find unencrypted TCP/IP network ports that it can exploit while operating as a hidden background process during system runtime, in order to use these exploited TCP/IP network ports to download more malicious programs unto the system from predesignated remote servers that are managed by the authors of the commdl.dll malware. Other users state that their system security tools classify the commdl.dll file as a malicious application associated with a component or variant of the Infostealer program, which is a family of spyware items known to infect unsecured Windows-based computers with unencrypted TCP/IP network ports. These users claim that the commdl.dll file is capable of covertly gathering private user details like banking and financial data, passwords and Internet surfing information that this malicious program can then transmit to predesignated remote servers for further processing, and some of these users also claim that the commdl.dll file can remain idle for some time, in order to wait for instructions or directives from these predesignated remote servers that the commdl.dll file is said to perform in the infected system upon receipt of these directives or instructions from these remote servers, which are managed by the authors of the commdl.dll malware.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. commdl.dll. is used by Trojan.Win32.BHO.agz and Infostealer Spyware, If you shut down commdl.dll, it will likely start again at a later time either after you restart your computer or after an application start. To stop commdl.dll, permanently you need to uninstall the application that runs this process which in this case is Trojan.Win32.BHO.agz and Infostealer Spyware, 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 commdl.dll

A process usually a part of an installed application such as Trojan.Win32.BHO.agz and Infostealer Spyware, 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 commdl.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 commdl.dll, belongs to, in this case Trojan.Win32.BHO.agz and Infostealer Spyware