1 - Zombie Talk

Zombies got communication-problems because of their heterogeneity, so they defined a standard for their communication. We need to know how to decrypt their messages in order to successfully defeat them. Luckily, a friend of mine found one of those encrypted messages: 0x1be15dc 77676058612 03062372 676 0x9542 0x2546c9ec 02614610 0x3b3154e5a0a923ff Hint: uppercase seems legit.
 

credits: 100 +3 (1st), +2 (2nd), +1 (3rd)