Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Kylian Mbappé Madrid Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• Uninstall URL hijacked to owhit.com — classic monetization shell fingerprint (+3.0 webstore).
• Install URL hijacked to owhit.com — redirects users on install to 3rd-party page (+2.0 webstore).
• Privacy policy is Google's generic account policy; not scoped to this extension, admits data collection & 3rd-party sharing (+10.0 privacy).
• NewTab override with 'search' permission enables search monetization across every new tab opened.

Evidence

• uninstall_url_hijack crx chrome.runtime.setUninstallURL → https://owhit.com/uninstall — 3rd-party redirect on uninstall.
• install_url_hijack crx onInstalled opens https://owhit.com/kylian-mbappe-real-madrid-live-wallpaper/ — 3rd-party on install.
• newtab_override manifest chrome_url_overrides.newtab = index.html; paired with 'search' permission — monetization pattern.
• privacy_policy_generic store Policy URL is Google's own account policy (scope_extension=false, data_collection=true, third_party_sharing=true).
• js_external_hosts crx Extension references owhit.com, chat.openai.com, instagram.com, netflix.com, youtube.com, x.com — broad link farm.
• no_verified_publisher store verified_publisher=false, is_featured=false; developer name is email only.
• csp_absent_mv3 manifest content_security_policy is null; MV3 provides strict default but no explicit CSP declared.
• domain_age_ok api walltab.com first cert 2015-10-14, 63 certs, resolves — not a throwaway domain.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Kylian Mbappé Madrid Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 5.55 -> 8.05 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows reading and manipulating browser search; elevated in a NewTab override context.
• chrome_url_overrides.newtab high Replaces every new tab — prime real estate for search monetization and ad injection.

Pillar Scores

Bookkeeping