Tracked campaign: Gameograf / Ovkas wallpaper adware

Our analysis confirmed the behaviour described in the threat library entry. Read the analysis and indicators →

Also reported by raw.githubusercontent.com

Chrome Web Store

Naruto-endless sky

by [email protected] · 169 users
1514055e-c02f-5c1c-8b56-a9f5f33205ef | v1.1.1
44/ 100
MEDIUM risk
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
6 months ago
Version
v1.1.1
Artifact
SHA256 71C…7A1
Source
Findings (non-IoC)

Evidence ledger

Ranked by severity · findings with a source location link to the code viewer

3 detail rows

Publisher Evidence

Limited evidence

[email protected]

Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.

Chrome does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.

43
Noisy-finding weight
x1.00
Publisher domain
No domain
Missing
Store verification signal
Limited signal
Limited
Extension portfolio
36
Portfolio

11 evidence rows available.

Finding Categories

3
Network

Requested Permissions

2 permissions
search
Low
https://api.gameograf.com/*
Low

AI Security Report

AI Security Review

Evidence context: threat category none; evidence quality moderate.

Extension Overview

"Naruto-endless sky" is a Chrome extension that transforms the new tab page with Naruto-themed video wallpapers. The developer is listed as "[email protected]"—a generic Gmail address with no verifiable company or brand identity. The extension has 0 users, indicating it is either newly published or has failed to gain adoption.

Security Findings Analysis

The extension has only 3 findings, all classified as medium-severity network detections:

  1. NET-FETCH-js/newsBar.js-17 - A fetch() call in newsBar.js
  2. NET-FETCH-js/popup.js-29 - A fetch() call in popup.js
  3. NET-FETCH-js/script.js-45 - A fetch() call in script.js

These findings represent basic JavaScript fetch() API usage, which is expected behavior for an extension that loads video content and UI elements. There are no associated suspicious domains in the IoC data, no malware signatures, no obfuscation patterns, and no code-smell findings. The absence of any high-severity indicators (malware, credential theft, browser hijacking) is notable.

Risk Assessment

The primary concerns are:

  • Anonymous developer identity (Gmail address with no organization)
  • Zero user count (no social proof or community validation)
  • Anime-themed content targeting potentially younger demographics

However, the extension's behavior aligns with its stated purpose. The fetch() calls in newsBar.js, popup.js, and script.js are consistent with loading video wallpapers and managing the popup interface. No evidence suggests data exfiltration, credential harvesting, or browser hijacking.

Counterargument Consideration

A skeptic might argue that with only 3 findings and no malware signatures, this should be classified as "likely_false_positive." However, this verdict would be premature. The extension lacks the trust signals that would justify that classification: no verified publisher, no user base, and no public code repository. While the findings themselves are benign, the anonymity of the developer and the complete absence of adoption create genuine uncertainty about long-term trustworthiness. A false positive classification requires evidence that the findings are noise from known patterns (bundled dependencies, minification, etc.), which is not the case here—the findings are minimal and the uncertainty stems from publisher identity, not finding quality.

Recommendation

Runtime analysis would clarify whether the fetch() calls connect to legitimate content delivery networks or suspicious third-party domains. Until then, users should exercise caution with this extension.

Key Reasons

  • Anonymous developer (Gmail address) with no verifiable identity
  • Zero user count provides no social proof
  • Network findings are basic fetch() calls consistent with wallpaper extension functionality
  • No malware signatures, obfuscation, or suspicious IoCs detected
  • Extension behavior matches stated purpose (video wallpapers)

False Positive Considerations

  • Basic fetch() API usage flagged as network finding
  • No malware signatures or obfuscation present

Reviewed 2026-04-27; recommended action: runtime analysis; model confidence 65%.

About This Extension

Naruto-endless sky New Tab – Immerse yourself in the vibrant world of Naruto with this stunning HD live wallpaper theme. Experience a mesmerizing cinematic looped animation that brings the endless sky of the beloved anime to life. Perfect for fans of Naruto and anime enthusiasts looking to enhance their browsing experience. Extension Features 🎞 Naruto-endless sky Video – Dynamic HD looped live wallpaper. 📰 News Feed Bar – Stay updated with trending anime, gaming, K-pop, and entertainment news. 🔗 Popular Shortcuts – Quick access to YouTube, Netflix, ChatGPT, Amazon, and more. ➕ Custom Shortcuts – Add your favorite websites for instant access. 🔍 Search Bar – Works seamlessly with your default search engine. 🕒 Clock & Date – Minimalist, always-on time & date widget. 📝 Sticky Notes – Colorful, draggable notes on your new tab. 🔔 Notifications – Get alerts about new wallpapers & features. 📧 Google Apps – One-click access to Gmail, Maps, Drive, and more. 🤖 ChatGPT Widget – Ask questions and get instant AI-powered answers. ✅ To-Do List – Organize your daily tasks directly on your new tab. 📅 Calendar Tool – Keep track of important dates. 🧮 Calculator – Perform calculations without leaving Chrome. ⏳ Timer – Built-in countdown for productivity or breaks. 🛠 More Tools – Includes privacy settings, uninstall guide, and support. About Us Gameograf.com develops premium Chrome new tab themes designed for anime, gaming, cars, celebrities, sports, and more. Enjoy visually stunning and immersive browsing experiences with every extension. 🌐 Website: https://gameograf.com 📩 Contact: https://gameograf.com/contact-us/ 🔒 Privacy Policy: https://gameograf.com/privacy-policy/ 💬 Feedback: https://gameograf.com/feedback/ 📧 Email: [email protected] Affiliate Policy Notice This extension opens a new tab at https://gameograf.com. If you purchase through these links, Gameograf.com may earn a small commission, helping us maintain and improve our free extensions.

Frequently Asked Questions