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Hello! My friend Fari send me this suspecious message: ‘MQDzqdor{Ix4Oa41W_1F_B00h_m1YlqPpPP}’ and photo.png. Help me decrypt this!

THE_FILE

Solution:

The image is a 5x5 table and which is a playfair.

QWERT
YUIOP
ASDFG
HKLZX
CVBNM

The table is the Encryption key: QWERTYUIOPASDFGHKLZXCVBNM

Playfair

Flag: CTFLEARN{PL4YF41R_1S_C00L_C1PHERRRR}