O son, this is a wirid taught by the venerable Shaykh Abdul Aziz. May Allah grant us the tawfik (strength) to put it into practice.
Recite it 786 times daily bi-iznillah.
Allah humma anta laha
fafar rij ha 'anni
no matter how grave
the musibah (test) is
lift it from me
with the benefits of
Note: For a group of people replace 'anni with 'anna