Your rundll32 is deleted by a virus can you get a new one?

If the rundll32.exe file is deleted by a virus, you can restore it by performing a system restore to a point before the infection occurred, or by using the Windows installation media to repair or replace the file. Additionally, running a trusted antivirus or anti-malware program can help remove the virus and restore any affected system files. However, it's essential to ensure that your system is clean before restoring any files to avoid reinfection.