b$)$Explain the steps you took to get to your result.

I decoded the message using a ceaser cipher and$4$shifts$,$ which led to me downloading a zip file with a qr code

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When scanned led to a website and all that was contained within the website is a webp file of a sad face$"$:$(".$

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$$I have tried everything I can think of but cannot get past this stage, and I know there is more steps needed to reach the answer but I cannot think of anything else, maybe I missed a step along the way?

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This for the course BISM$3205$Business Information Security, and this question is to do with cryptology.