Many "crack" files for niche software like iStripper are actually trojans or coin-miners. Since the software already requires deep system access to "draw" over your windows, a malicious version could easily hide its tracks. Official Free Path: official iStripper site
It can be a "resource hog" on older PCs. Running transparent 4K video over other apps requires a decent GPU. Aggressive Previews: istripper 12176 crack free