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

One Piece Luffy Dark Smile Live Wallpaper

by [email protected] · 306 users
5a358933-a9ab-5040-a274-e70a1a39f9ea | 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
0/ 100
MINIMAL 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 3E1…0A7
Source
Findings (non-IoC)

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.

43
Noisy-finding weight
x1.00
Publisher domain
No domain
Missing
Store verification signal
Limited signal
Limited
Extension portfolio
734
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.

The "One Piece Luffy Dark Smile Live Wallpaper" extension shows 301 total findings, but careful examination reveals these are all documented false positive patterns rather than actual security threats.

All 285 IoC findings originate from the XIOC extractor misinterpreting JavaScript property access chains as domain names. The IoC findings in extracted_from_files include entries like XIOC-DOMAIN-b.find.id, XIOC-DOMAIN-f.setup.call, XIOC-DOMAIN-de.call, XIOC-DOMAIN-ce.style, and XIOC-DOMAIN-e.id. These are not real domains—they are JavaScript object property chains (e.g., b.find.id is accessing the id property of the find property of object b). This is explicitly documented as a known CVEQ false positive pattern: "Property access chains misread as domains: b.call, h.next, g.id".

The 16 code-smell findings are YARA rules that match common JavaScript patterns and are classified as noise. According to the threat model, code-smell findings (severity=low, finding_type=code-smell) should NEVER drive a verdict because they match basic Node.js patterns like fetch, exec, fs, crypto, and process.env.

Critically, there are zero malware signatures, zero obfuscation findings, and zero network findings in the findings_summary. A genuinely malicious extension would show at least one of these indicators. The absence of malware signatures is particularly significant—malware detection rules are more reliable than IoC extraction.

The extension's description ("Luffy's eerie grin glows in the shadows—unleash the darkness of a pirate king's fury!") and name ("One Piece Luffy Dark Smile Live Wallpaper") are consistent with a legitimate wallpaper extension. There is no evidence of typosquatting, credential theft, browser hijacking, or other malicious behavior.

Counterargument: A skeptic might argue that 301 findings is a high number and warrants concern. However, finding count is explicitly documented as meaningless in the CVEQ threat model. The nature of findings matters, not the quantity. All 285 IoCs are the same false positive pattern (property access chains), and there are no actual malware signatures or suspicious network activity. The 16 code-smell findings are documented noise from YARA rules that match basic JavaScript patterns. A single specific suspicious domain would matter more than these 10,000 garbage IoCs, but there are zero real suspicious domains here.

This extension is a likely false positive driven by the XIOC extractor's known issues with property access chains and code-smell YARA rules.

Key Reasons

  • All IoC findings are property access chains misread as domains (known FP pattern)
  • Zero malware signatures detected
  • Zero obfuscation findings
  • Code-smell findings are documented noise
  • Extension name and description match legitimate wallpaper functionality

False Positive Considerations

  • Property access chains misread as domains (b.find.id, f.setup.call, etc.)
  • Code-smell YARA rules matching basic JavaScript patterns
  • IoC volume from XIOC extractor garbage

Reviewed 2026-04-30; recommended action: suppress false positive; model confidence 85%.

About This Extension

Immerse yourself in the world of "One Piece Luffy Dark Smile Live Wallpaper" as you transform your new tab into a vibrant canvas of the iconic pirate universe. This extension beautifully captures Luffy’s dark smile, blending whimsical elements with a hint of mystery that resonates with fans of the series. The wallpaper features stunning illustrations of Luffy and his crew, skillfully rendered in rich, contrasting colors that evoke the thrill of adventure on the high seas. Expect dynamic backgrounds that shift seamlessly, depicting memorable locations like the Thousand Sunny and the Straw Hat Pirate flag, all while showcasing symbolisms that reflect loyalty, friendship, and the pursuit of freedom. The atmosphere balances intensity and playfulness, making it a feast for the eyes, perfectly fitting for those who cherish the spirited world of One Piece. Experience the live wallpaper like never before, as every glance at your new tab transports you into the heart of the action, with Luffy’s darker smile reminding you of the exciting adventures that lie ahead. Features 🎞 Dynamic HD live wallpapers ✨ Smooth animations and visual effects 🖱️ Shortcut links, date and time on the new tab 🔗 Quick access site shortcuts 🔍 Uses the search engine selected by the user 📌 Includes additional useful extensions For more exciting content, don't forget to check out gameograf.com. 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