rundll32.exe is a program which is probably NOT a virus or malware. So, if rundll32.exe is on your system, it is probably ok, and will NOT cause problems. Even if your PC is virus-free, it is still recommended to run a well-known antivirus with a good track record, in order to defend your system against viruses and malware.
This program is usually stored on disk in C:\Windows\System32\rundll32.exe.
The MD5 checksum for this file is c648901695e275c8f2ad04b687a68ce2.
This application is NOT a Windows service. This is good.
This executable uses the Internet to communicate. In this day and age this is quite normal. For example, most of the programs on your PC check for updates. For this, Internet communications are required.
rundll32.exe seems to use the functions of Windows SFC (System File Checker) or Windows File Protection.
This app runs in 32-bit mode. It does not benefit of the entire set of features of current computer CPUs. This is quite normal because the authors did not upgrade it to 64-bit code.
The description extracted from the exe is Windows host process (Rundll32).
File version extracted from the file 6.1.7601.23755 (win7sp1_ldr.170330-0600).
Publisher Microsoft Corporation.
Legal copyright © Microsoft Corporation. All rights reserved..
rundll32.exe appears to have visible windows. This means it doesn't run in some kind of stealth mode. Its activity is clearly shown to the user.
rundll32.exe has a digital signature. Today the large majority of serious software applications are digitally signed.
The digital signature found in rundll32.exe is valid. This is excellent.
Digitally signed by: Microsoft Windows
Certificate's issuer name: Microsoft Windows Verification PCA
This program does NOT have an uninstall routine stored in registry.