Rundll32.exe is Microsoft utility that allows computer users the opportunity to invoke functions from either a 32 or 16-bit DLL. These files run 16-bit libraries, so that invoking the wrong DLL leads to program failure without any error messages.
It is impossible to call exported functions from DLLs via the application itself. Another execution of its operation is the execution of DLLs placing their libraries in system memory. Calling these libraries thus becomes easier and faster, leading to efficient memory use. It is essential for the proper of the Windows operating system.
It consumes a mere 33,280 bytes of RAM and is located in C:\Windows\System32. Some files occupy sizes ranging from 31 megabytes to 610 megabytes of memory. It is a trustworthy file and experts advise users not to alter or delete or it from their computer system. If disabled, essential applications may nit work properly. To determine the module the process is currently executing, all the user has to do is type: task list /m /fi “IMAGENAME eq rundll32.exe” >C:\rundll.txt in the command prompt. The next step is to access rundll.txt to spot units not related to the system. Randomly named files should evoke a bit of suspicion.
The process works through four distinct steps. The first is command line parsing, followed by the loading of the stated DLL through the system load library. Thirdly, the process calls the necessary function, passing the tail of the command line. The fourth and final step takes place once the called function returns. Rundll32.exe then unloads the DLL before terminating the procedure. Problems associated with this process are instigated by broken registry structures or missing files at system level. Such problems are very critical indicators of system instability. The typical cause is poor maintenance. The most effective remedy to errors and problems associated with the process is using RegCure, a tool from Microsoft Windows. It is downloadable for free form the company’s website. This option is far more powerful than any type of performance scan.
Rundll32.exe is sometimes disguised as malware residing in the system’s Windows folder. A good number of Trojans load the same way as ordinary DLLs using the process discussed. These illegitimate files have an adverse effect on system performance, manifested through abnormal memory usage. Certain files use the same name, though their purpose is malicious. This is the opportune time to run either a virus scan or spyware scan.
Tags: rundll32, rundll32.exe
