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

Spider-Man Night City Watcher Live Wallpaper

by [email protected] · 247 users · 5.0 rating
cb857446-ac0d-5a1b-83fb-ceba716d36d5 | v4.4.1

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
40/ 100
LOW risk
-3 since v3.4.3
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
1 months ago
Version
v4.4.1
Artifact
SHA256 BC1…738
Source
Findings (non-IoC)

Evidence ledger

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

15 detail rows

YARA Rule Matches

8 rules
SeverityRuleHitsFilesMetadata
LOWSQLInjection 2
script.jsjquery-3.7.1.min.js
-
LOWNoUseWeakRandom 2
script.jsjquery-3.7.1.min.js
-
LOWLocalStorageShouldNotBeUsed 1
script.js
-
LOWpostinstall crypto operations 2
_metadata/verified_contents.jsonjquery-3.7.1.min.js
-
LOWpostinstall file manipulation 3
style.cssscript.jsjquery-3.7.1.min.js
-
LOWpostinstall obfuscation 1
jquery-3.7.1.min.js
-
LOWpostinstall network communication 3
index.htmljquery-3.7.1.min.jsimg/bg.mp4
-
LOWpostinstall system command 1
jquery-3.7.1.min.js
-

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
702
Portfolio

11 evidence rows available.

Finding Categories

62
IoC Indicators

YARA Rules Matched

8 rules(15 hits)
SQLInjection NoUseWeakRandom LocalStorageShouldNotBeUsed postinstall crypto operations postinstall file manipulation postinstall obfuscation postinstall network communication postinstall system command

Requested Permissions

1 permission
search
Low

AI Security Report

AI Security Review

Evidence context: threat category none; evidence quality weak.

The extension 'Spider-Man Night City Watcher Live Wallpaper' by developer [email protected] presents a high finding count (379 total) but lacks any high-confidence threat indicators. The 364 IoC findings are dominated by benign infrastructure and false positives. Specifically, fonts.gstatic.com and jquery.org are legitimate Google CDN and library domains expected in any web-based extension. The findings o.call and oe.flat.call are property access chain false positives where the XIOC extractor misread JavaScript object property access (e.g., object.call()) as domain names.

The 15 code-smell findings are classified as low severity and per CVEQ documentation, code-smell rules like postinstall_*, credential_*, and code-quality rules fire on almost any non-trivial JavaScript. These are documented noise sources that should not drive verdicts. Critically, there are zero malware signatures, zero obfuscation findings, and zero network behavior findings—three key indicators that would signal actual malicious intent.

The extension's stated purpose (live wallpaper for new tab page) aligns with the benign domains detected. A visual extension would reasonably load web fonts from Google and jQuery for DOM manipulation. The short TLD domains (p.im, r.lc, s.gp, g.tr, ao.br, cu1.ec, 7.nc) are ambiguous—they could be CDN or analytics endpoints, but without malware signatures or obfuscation co-located with these domains, they do not constitute strong evidence of malicious behavior.

The strongest counterargument is that the developer uses a personal Gmail address rather than a verified company domain, which could indicate an unverified publisher. However, with only 36 users, this extension has not achieved widespread distribution that would make it a significant threat vector. The absence of malware signatures, obfuscation, or credential-theft indicators means the extension does not exhibit the behavioral patterns of confirmed malicious extensions. The high finding count is explained by known false-positive patterns in the CVEQ pipeline, not by actual malicious code.

Key Reasons

  • Zero malware signatures detected across all scanned files
  • Zero obfuscation findings despite high IoC volume
  • IoC count driven by benign CDNs (fonts.gstatic.com, jquery.org) and property access chains (o.call, oe.flat.call)
  • Code-smell findings are documented as noise in CVEQ analysis
  • Extension functionality matches expected behavior for a live wallpaper

False Positive Considerations

  • IoC extractor property access chain false positives (o.call, oe.flat.call)
  • Benign CDN domains (fonts.gstatic.com, jquery.org)
  • Code-smell rules firing on legitimate JavaScript
  • High finding count from bundled dependencies without malware signatures

Reviewed 2026-04-29; recommended action: suppress false positive; model confidence 72%.

Chrome version history

Risk trend by version

2 analyzed versions. Each point is the latest successful scan for that version; failed zero-score scans are hidden. Dates are based on first seen by risky plugins.

Selected
40
Change since first
-3
Change from previous
-3
Versions:
First analyzed version
3.4.3
May 1, 2026
Risk range
40 to 43
Across analyzed versions
Latest analyzed version
4.4.1
Sep 7, 2026
Selected version
low
Version
v4.4.1
1 months ago
Risk score
40
Findings
77
Change vs previous
-3

Pick any point on the chart to explore that version's code below.

About This Extension

Transform your new tab into a vibrant skyline with the Spider-Man Night City Watcher Live Wallpaper. Experience the thrilling essence of the Spider-Man universe as you immerse yourself in dynamic visuals and stunning artwork inspired by iconic locations and characters. This live wallpaper features breathtaking scenes of the bustling night city, illuminated by neon lights and a cosmic glow. Expect smooth animations that bring Spider-Man to life as he swings through towering skyscrapers, capturing the energy of urban life with rich colors that pop on your screen. The atmosphere is charged with excitement and adventure, making it a perfect fit for any fan of the web-slinger. Enjoy the rich details of Spidey's iconic symbols, vehicles, and team dynamics, celebrating the spirit of heroism and friendship. Fans adore the thematic elements that deepen their connection to the story and immerse them in this captivating universe. The live wallpaper experience enhances your browser with realistic animations, transitioning smoothly as you browse. Each glance brings you back to the thrilling adventures and heartwarming moments of Spider-Man, making every new tab a breath of fresh city air. 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 themes, visit gameograf.com to explore a world of immersive wallpapers. 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