[Гуллипут]

Код:

setlocal EnableDelayedExpansion
set indir=1
set outdir=2

for /R "%indir%" %%f in (*prikol*.jpg) do (
  set name=%%~nxf
  set ininame=!name!
  set c=1
  call :loop
  move "%%f" "%outdir%\!name!"
)

goto :eof
:loop  
  if exist "%outdir%\!name!" (
    set /A c+=1
    set name=!ininame!^(!c!^)
    goto loop
  )