Our analysis confirmed the behaviour described in the threat library entry. Read the analysis and indicators →
Also reported by malext.io
ysearch.ai
Confirmed member of a tracked malicious supply-chain campaign.
Analysis record
- Analysed
- 1 months ago
- Version
- v1.0.3
- Artifact
- SHA256 398…4FC
- Source
- Findings (non-IoC)
Evidence ledger
Ranked by severity · findings with a source location link to the code viewer
YARA Rule Matches
7 rules| Severity | Rule | Hits | Files | Metadata |
|---|---|---|---|---|
| LOW | postinstall persistence mechanism | 1 | background.js | - |
| LOW | postinstall crypto operations | 1 | _metadata/verified_contents.json | - |
| LOW | postinstall file manipulation | 2 | background.jsnewtab.js | - |
| LOW | postinstall environment access | 1 | background.js | - |
| LOW | LocalStorageShouldNotBeUsed | 1 | newtab.js | - |
| LOW | postinstall file download | 2 | background.jsnewtab.js | - |
| LOW | NoUseWeakRandom | 1 | newtab.js | - |
Publisher Evidence
Limited evidencePublisher 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.
12 evidence rows available.
Finding Categories
YARA Rules Matched
7 rules(9 hits)Requested Permissions
3 permissionsSecurity Analysis Summary
Security Analysis Overview
ysearch.ai is a Chrome Web Store extension published by [email protected]. Version 1.0.3 has been analyzed by the Risky Plugins security platform, receiving a risk score of 53.84/100 (MEDIUM risk) based on 28 security findings.
Risk Assessment
This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.
Findings Breakdown
- Medium: 19 finding(s)
- Low: 9 finding(s)
What Was Analyzed
The security assessment covers multiple analysis categories:
- Malware Detection: YARA rule matching against 2,400+ malware signatures
- Secret Detection: Scanning for exposed API keys, tokens, and credentials
- Static Analysis: Code-level security analysis for common vulnerability patterns
- Network Analysis: Detection of suspicious network communications and endpoints
- Obfuscation Detection: Identification of code obfuscation techniques
Developer Information
ysearch.ai is published by [email protected] on the Chrome Web Store marketplace. The extension has approximately 31 users.
Recommendation
Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.
Chrome version history
Risk trend by version
3 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.
Pick any point on the chart to explore that version's code below.
Source Code Not Available
Source code is not available for this version of the extension.
About This Extension
Frequently Asked Questions
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