Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Anime Scenery Wallpaper – Aesthetic Anime Backgrounds [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• Uninstall URL hijack to chromewallpaper.com — classic monetization shell pattern (+3.0 Webstore)
• Install URL hijack to 3rd-party domain opens on first run (+2.0 Webstore)
• Privacy policy is Google's own account policy — not scoped to this extension; admits data collection + 3rd-party sharing (+10.0 Privacy)
• NewTab override + search permission = search-monetization surface with no transparency

Evidence

• uninstall_url_hijack crx chrome.runtime.setUninstallURL → https://chromewallpaper.com/uninstall; textbook monetization-shell signal.
• install_url_hijack crx onInstalled opens https://chromewallpaper.com/anime-scenery-wallpaper-aesthetic-anime-backgrounds.
• newtab_override manifest chrome_url_overrides.newtab = index.html; every new tab controlled by extension.
• privacy_policy_generic store Policy URL is Google Account policy; scope_extension=false, data_collection=true, third_party_sharing=true → +10.0 Privacy.
• free_webmail_dev_no_name store Developer email cananayartis@gmail.com; developer_name empty; no verified publisher.
• js_external_hosts crx Extension references chatgpt.com, instagram.com, netflix.com, youtube.com, x.com — 8 unrelated origins.
• search_permission_newtab_combo manifest search permission + newtab override without CSP; classic ad-monetization NewTab fingerprint.
• csp_absent_mv3 crx content_security_policy is null; MV3 defaults apply but no explicit CSP declared.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Anime Scenery Wallpaper – Aesthetic Anime Backgrounds [adware] + malext.io malicious_extension_sentry; score 5.38 -> 7.88 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows extension to interact with browser search; combined with newtab override raises monetization risk.
• chrome_url_overrides.newtab high Replaces every new tab — prime real estate for search hijacking and ad monetization.

Pillar Scores

Bookkeeping