import zipfile import re z = zipfile.ZipFile(r"reverse/dumps/tng_1.9.10_base.apk") names = [n for n in z.namelist() if n.endswith(".dex")] print("dex files", names) pat = re.compile(rb"Lxwwqazamx/[^;\s]{1,60};") found = set() for n in names: data = z.read(n) for m in pat.findall(data): found.add(m.decode("ascii", errors="ignore")) print("xwwqazamx classes", len(found)) for c in sorted(found): print(c)