rundll32.exe is a application which is probably NOT a virus or malware. So, if rundll32.exe is on your PC, it is probably ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to use a good antivirus with a good detection rate, in order to yourself your system against potential security problems.
Normally, this program is stored in C:\Windows\System32\rundll32.exe.
The MD5 checksum for this executable is dd81d91ff3b0763c392422865c9ac12e.
This application is NOT a Windows service. This is very good.
This application uses the net to communicate. In this day and age this is ok. For example, most of the programs on your computer check for new updates. For this, Internet communications are necessary.
rundll32.exe appears to have something to do with Windows SFC (System File Checker) or Windows File Protection.
This is a 64-bit executable. It runs using the full capacity of nowadays' CPUs.
The description extracted from the exe is Windows host process (Rundll32).
File version extracted from the file 6.1.7600.16385 (win7_rtm.090713-1255).
Company name Microsoft Corporation.
Copyright notice © Microsoft Corporation. All rights reserved..
This task does NOT have visible elements of user interface. This is most likely a bad sign.
rundll32.exe has a digital signature. Today the large majority of virus-free software applications are digitally signed.
The digital signature found in rundll32.exe is valid. This is excellent.
Digital certificate name: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This executable does NOT have an uninstall routine set up in registry.