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

Ultraman Tiga Live Wallpaper

by [email protected] · 181 users
e9697744-924a-5e05-844a-943fc69bfbc6 | v14.4.1

Marketplace listing not found

Our last marketplace check could not find this listing in Chrome Web Store. It may have been removed or delisted. Existing installs may still run, but verify the publisher and package source before installing or updating.

Not found on Today
49/ 100
MEDIUM risk
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
4 months ago
Version
v14.4.1
Artifact
SHA256 3B2…7EB
Source
Findings (non-IoC)

Network indicator detail is shown below

223 aggregate findings were counted. 223 network indicators contributed to the aggregate finding count.

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.

39
Noisy-finding weight
x1.00
Publisher domain
No domain
Missing
Store verification signal
Limited signal
Limited
Extension portfolio
23
Portfolio

12 evidence rows available.

Finding Categories

223
IoC Indicators

Requested Permissions

1 permission
search
Low

AI Security Report

AI Security Review

Evidence context: threat category adware; evidence quality moderate.

The extension’s manifest advertises a new‑tab wallpaper feature, but the code contains hard‑coded references to a set of short, unrecognised domains. Each entry—such as XIOC-DOMAIN-g.ms, XIOC-DOMAIN-x.ua, XIOC-DOMAIN-m.co, XIOC-DOMAIN-6.tr, XIOC-DOMAIN-e.pa, XIOC-DOMUAGE-e.gt, XIOC-DOMAIN-h.gf, XIOC-DOMAIN-ś.gi, XIOC-DOMAIN-q.hm, XIOC-DOMAIN-b.yt, XIOC-DOMAIN-r.eg, and XIOC-DOMAIN-y.wf—is reported from the generic source "extracted_from_files". These domains are not part of any known CDN, analytics platform, or the extension’s own infrastructure, and they are typical of URL shorteners or ad‑network endpoints that have been used in previous malicious extensions.

No malware‑signature or obfuscation findings are present, and there are no code‑smell alerts, indicating that the JavaScript itself is not deliberately hidden or maliciously crafted. However, the sheer presence of twelve distinct, low‑reputation domains suggests the extension will fetch remote resources—likely image files or scripts—to display in the new‑tab page. This behaviour aligns with common adware patterns where a seemingly innocent visual enhancement is coupled with background calls to advertising or tracking services.

The developer information consists solely of an email address ([email protected]) without an affiliated organization or verified publisher profile. The extension’s description mentions only the visual feature and provides no privacy or data‑usage disclosure. The lack of a reputable developer and the anonymous publishing model increase the risk that the remote calls are not transparently documented.

From a user‑impact perspective, the extension hijacks the browser’s default new‑tab page, replacing it with live wallpapers. While this is a benign‑looking feature, the underlying network calls to the listed domains could expose users to unwanted ads, tracking scripts, or further payload downloads. Because no explicit malicious payload is detected, the risk is classified as adware/potentially unwanted rather than outright malware.

Counterargument: A skeptic might argue that the domains could belong to legitimate image‑hosting services used by the wallpaper provider, and that the IoC extractor is over‑reporting harmless URLs. While this is possible, the domains are unusually short and do not correspond to known image‑hosting providers (e.g., imgur.com, unsplash.com). Moreover, the extension provides no transparency about why these particular domains are needed, nor does it implement any user‑opt‑out mechanism. Given the pattern of similar extensions that have abused obscure domains for ad injection, the conservative interpretation is that these endpoints are likely ad‑related.

In summary, the extension’s new‑tab hijacking combined with undisclosed contacts to multiple obscure domains represents a clear adware risk, even though no explicit malicious code is present.

Key Reasons

  • Hard‑coded references to multiple obscure domains (e.g., g.ms, x.ua) in code
  • Extension hijacks the new‑tab page to display live wallpapers
  • Anonymous developer publishing with only an email address
  • No malware signatures or obfuscation detected, indicating simple adware behavior
  • Lack of privacy disclosure for the network calls

False Positive Considerations

  • IoC extractor generic domain detection
  • High count of short, unknown domains
  • No malware signatures or obfuscation
  • Bundled dependencies not present

Reviewed 2026-06-01; recommended action: monitor; model confidence 78%.

About This Extension

Ultraman Tiga Live Wallpaper New Tab – Immerse yourself in the breathtaking world of Ultraman Tiga with this stunning HD live wallpaper theme. Featuring cinematic looped animations that capture the essence of this legendary hero in action, it’s perfect for fans of anime and exciting visuals. Transform your new tab page into a vibrant tribute to Ultraman Tiga and experience the thrill every time you open a new tab. Extension Features 🎞 Ultraman Tiga Live Wallpaper Video – Dynamic HD looped live wallpaper. 🔥 Crisp background with stadium lights and vibrant atmosphere 🎉 Stunning effects that highlight his legendary presence on the field 🌟 Ultraman Tiga Live Wallpaper Smooth animations with dramatic shadow effects 🔍 It searches using the search engine selected by the user. 🖱️ Shortcut links, date and time on the new tab 📌 Provided more extension. 🚀 Fuel Your Screen with Action-Packed Anime & High-Speed Rides! 🚀 Unleash the power of anime warriors, futuristic cars, and adrenaline-fueled action on your screen! Ovkas.com brings you a thrilling collection of live wallpapers that transform your browser into a dynamic masterpiece. Whether you're into legendary anime heroes, sleek sports cars, or cyberpunk vibes, there's a perfect wallpaper waiting for you! 🔥 💥 Want even more? Shift into high gear! Head to the Chrome Web Store, type "ovkas", and unlock an entire garage of stunning themes, live wallpapers, and extensions built for speed and style. Don’t let your screen stay idle—upgrade it now! 🚗💨 ✨ Visit Ovkas.com and bring your digital world to life today! ✨ Google Chrome Affiliate Program Disclosure This extension, when installed, opens the ovkas.com or gameograf.com website in your new tab to provide information about the downloaded extension. It is designed to enhance user experience, offer access to similar extensions, and help users create their own. The extension may contain links to specific services or products per policy. All redirects are designed for user benefit and require consent before any action is taken.

Frequently Asked Questions