Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Itachi Uchiha: Mystery and Power in a Live Theme [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override + uninstall/install URL hijack to owhit.com: classic ad-monetization shell pattern.
• Privacy policy is Google's own account policy — not scoped to this extension; admits data collection and third-party sharing (D rule: +10).
• Free-webmail dev (dermanseven32@gmail.com) with generic developer name 'backgrounds' — no verified identity.
• External JS hosts include owhit.com alongside Netflix, Instagram, YouTube, X — breadth exceeds stated wallpaper function.

Evidence

• uninstall_url_hijack crx chrome.runtime.setUninstallURL → https://owhit.com/uninstall; classic monetization/tracking shell signal (+3.0 Webstore).
• install_url_hijack crx onInstalled opens https://owhit.com/itachi-uchiha-mystery-and-power-live-wallpaper (+2.0 Webstore).
• privacy_policy_generic store Policy URL is Google account policy; fetched=true, scope_extension=false, data_collection=true, third_party_sharing=true → Privacy +10.0 (rule D).
• newtab_override manifest chrome_url_overrides.newtab = index.html; scores as high-risk permission per v2 calibration fix (a).
• free_webmail_dev store Developer email dermanseven32@gmail.com with generic name 'backgrounds' — no verified business presence.
• broad_external_hosts crx js_external_hosts includes owhit.com, Netflix, Instagram, YouTube, X, OpenAI — 8 hosts far beyond wallpaper scope.
• new_tab_with_monetization manifest NewTab + search permission + owhit.com install/uninstall hooks = monetization-shell fingerprint (+2.0 Webstore).
• no_csp manifest content_security_policy is null; MV3 has strict default so no MV2 penalty, but CSP absence noted.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Itachi Uchiha: Mystery and Power in a Live Theme [adware] + malext.io malicious_extension_sentry; score 5.46 -> 7.96 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows reading/modifying search queries; paired with NewTab override amplifies search monetization risk.
• chrome_url_overrides.newtab high Replaces every new tab with extension-controlled page; primary surface for ad/search monetization.

Pillar Scores

Bookkeeping