While annoying, the free tier is safe. Use an ad-blocker like uBlock Origin (controversial but effective on browsers) combined with mute tabs. This isn't a "mod," but it achieves ad-free viewing without downloading malware.
"The mod worked for three hours! I thought I was a genius. Then Windows Defender went crazy. Turns out it was a keylogger. I had to wipe my whole SSD." – Anonymous Crunchyroll Mod Pc
Why are people risking malware for a mod? Because the official free tier has become increasingly restrictive. Here is what a "Crunchyroll Mod PC" falsely promises: While annoying, the free tier is safe
Or, support the industry directly with a cheap subscription. The average anime costs $150,000 to produce per episode. When you steal via a mod, you aren't hurting Sony (Crunchyroll’s parent company). You are hurting the animators, writers, and localization teams. "The mod worked for three hours