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 Verified

Samurai Glowing Katana Live Wallpaper

by [email protected] · 268 users
198ff840-f76d-57d6-9b8f-59d04f83ff01 | v1.1.2
0/ 100
MINIMAL risk
-50 since v1.1.1
50 → 0 · false positives removed
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
1 weeks ago
Version
v1.1.2
Artifact
SHA256 F3B…8DB
Source
Findings (non-IoC)

Is Samurai Glowing Katana Live Wallpaper safe?

Samurai Glowing Katana Live Wallpaper is a Chrome new-tab extension that shows an animated samurai wallpaper and adds a popup, side panel, and weather display. It declares no Chrome permissions and no host permissions. The network code it does contain calls api.gameograf.com and gameograf.com, the publisher's own service, along with youtube.com, www.blogger.com, and chat.openai.com for media or an AI side panel. With no host permissions, the extension cannot read or change pages you visit on its own.

The finding that sounds most serious is a set of network fetches in js/background.js at lines 63, 82, and 96, plus js/popup.js at line 39, js/sidePanel.js at line 362, and js/weather.js at line 49. If those calls went to an unknown collector, that would matter. Here the named endpoints are the publisher's API, well-known media sites, and a public AI service. The other large group of alerts comes from strings like 0i.gn, ao.it, bg.mp, ke.td and sidepanel.open, which are malformed domain fragments or property names, not live servers.

The scanner also raises 43 code-smell items, which are generic JavaScript patterns that appear in ordinary UI code. No malware signature, obfuscated payload, or tool-poisoning pattern turned up. That combination is why the alerts look like scanner noise around a small wallpaper extension rather than evidence of data theft or browser hijacking.

No Findings

All security checks passed

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.

51
Noisy-finding weight
x1.00
Publisher domain
gameograf.com
Observed
Store verification signal
Limited signal
Limited
Extension portfolio
1.6K
Portfolio

11 evidence rows available.

No Threats Detected

This extension passed all security checks

AI Security Report

AI Security Review

Evidence context: threat category none; evidence quality moderate.

Samurai Glowing Katana Live Wallpaper is a new-tab wallpaper extension from a developer address at gameograf.com. The manifest declares no permissions and no host permissions, which limits what the extension can reach without a user action. The six network findings are fetch calls in js/background.js at lines 63, 82, and 96, js/popup.js at line 39, js/sidePanel.js at line 362, and js/weather.js at line 49. Those files line up with a background worker, a popup, a side panel, and a weather widget. The endpoints include api.gameograf.com and gameograf.com, which belong to the publisher's own domain, plus youtube.com and www.blogger.com for media, and chat.openai.com for an AI chat side panel.

The 49 IoCs do not add a hijack story. Most are malformed fragments such as 0i.gn, ao.it, bg.mp, ke.td, ý.nl, sidepanel.open, and sidepaneltoggle.is. Those read like property chains or sliced strings from minified UI code. A browser hijacker would normally leave a search redirect domain or a query template in the manifest or code. None is present. A credential stealer would show cookie access or login-domain targets such as facebook.com or paypal.com. None is present. A proxyware package would show relay or peer code. None is present.

Nor is there an obfuscated payload to explain. Obfuscation findings are zero. Malware-signature findings are zero. The 43 code-smell findings are the low-severity JavaScript patterns that fire on ordinary popup and side-panel code: event handlers, string building, and fetch wrappers. The absence of host permissions is the key limiter. Without host permissions, js/background.js cannot silently read arbitrary tabs, and js/sidePanel.js cannot inject into a login page. A cross-origin fetch would still need the receiving server to allow it. The own-domain endpoint api.gameograf.com is consistent with wallpaper metadata, weather, or account features.

The strongest counterargument is chat.openai.com plus the three fetch calls in js/background.js. A skeptic could read that as a side channel for user data. But chat.openai.com is a public AI service, not an unknown collector, and it appears beside the publisher's own API and ordinary media hosts. The fetch calls sit in feature files for a weather widget and a side panel. There is no malware rule, no obfuscation, no secret finding, and no host permission that would let the extension pull page content into those calls. If more evidence existed, it would be a code path that reads tab URLs or page text and sends it to an endpoint outside gameograf.com. That code path is not in this scan.

The finding volume is the part that misleads. A 98-item total sounds large until you separate six fetch locations from 49 IoC fragments and 43 code-smell matches. The extension has a small user base, a publisher domain that matches the developer address, and no declared permissions. The evidence points to scanner noise around a wallpaper tool, not to a browser hijacker or data thief.

Key Reasons

  • No malware signatures, no obfuscation, and no tool-poisoning findings across the scan.
  • The six fetch findings sit in normal feature files: js/background.js, js/popup.js, js/sidePanel.js, and js/weather.js.
  • Named endpoints are the publisher's own domain, known media hosts, and chat.openai.com, with no search redirect or credential-target domains.
  • The manifest declares no permissions and no host permissions, limiting silent access to tabs or login pages.
  • The 49 IoCs are mostly malformed fragments such as 0i.gn, ao.it, bg.mp, ke.td, and sidepanel.open.

False Positive Considerations

  • 49 IoCs are mostly malformed domain fragments and minified property chains.
  • 43 code-smell findings are generic JavaScript patterns with low severity.
  • No malware-signature or obfuscation findings matched.
  • Network fetches align with wallpaper, weather, and side-panel features and target the publisher's own API plus known services.

Reviewed 2026-10-17; recommended action: suppress false positive; model confidence 86%.

About This Extension

Immerse yourself in a breathtaking digital artwork where a formidable samurai brandishes a radiant katana, perfectly captured in stunning 4K resolution. This live wallpaper invites you to experience a mesmerizing blend of fantasy and traditional Japanese aesthetics that not only beautifies your desktop but also transforms your browsing environment into an engaging visual journey. Ideal for enthusiasts of Japanese culture, this piece brings a striking atmosphere of valor and serenity to every new tab you open. Extension Features 🎞 Samurai Glowing Katana Live Wallpaper Video – Dynamic HD looped live wallpaper. 🔗 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. Some links on our website including Amazon links may contain affiliate tracking. If you purchase through these links, Gameograf.com may earn a small commission, helping us maintain and improve our free extensions.

Frequently Asked Questions