Flagged in the threat library: SearchJack

Our analysis confirmed the behaviour described in the threat library entry. Do not install it. Read the analysis and indicators →

Also reported by malext.io

Chrome Web Store Verified

OmniSearch

by [email protected] · 80.0K users
ebc11314-d017-5821-8552-de6235d71709 | v1.0.3
47/ 100
MEDIUM risk
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
1 months ago
Version
v1.0.3
Artifact
SHA256 F25…400
Source
Findings (non-IoC)

Evidence ledger

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

20 detail rows

YARA Rule Matches

8 rules
SeverityRuleHitsFilesMetadata
LOWpostinstall file download 3
js/httpUtil.jsjs/telemetry.jsjs/start.js
-
LOWNoUseWeakRandom 1
js/trackingDataUtil.js
-
LOWpostinstall crypto operations 1
_metadata/verified_contents.json
-
LOWpostinstall file manipulation 2
js/trackingDataUtil.jsLICENSE.txt
-
LOWpostinstall obfuscation 1
js/start.js
-
LOWpostinstall network communication 3
js/telemetry.jsjs/start.jsLICENSE.txt
-
LOWpostinstall system command 6
js/systemUtil.jsjs/telemetry.js_metadata/verified_contents.json +3 more
-
LOWpostinstall persistence mechanism 2
js/telemetry.jsjs/start.js
-

Network Indicators

Concrete URLs, domains, IPs, emails, and hashes extracted from the analyzed artifact.

16 total

Loading network indicators

IoC detail rows are loaded outside the initial page render.

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
avq.co
Observed
Store verification signal
Limited signal
Limited
Extension portfolio
1
Portfolio

13 evidence rows available.

Finding Categories

1
Network
16
IoC Indicators

YARA Rules Matched

8 rules(19 hits)
postinstall file download NoUseWeakRandom postinstall crypto operations postinstall file manipulation postinstall obfuscation postinstall network communication postinstall system command postinstall persistence mechanism

Requested Permissions

4 permissions
storage
Low
https://flow.lavasoft.com/*
Low
https://defaultsearch.co/*
Low
https://in.adaware.com/*
Low

Security Analysis Summary

Security Analysis Overview

OmniSearch 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 46.99/100 (MEDIUM risk) based on 36 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: 17 finding(s)
  • Low: 19 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

OmniSearch is published by [email protected] on the Chrome Web Store marketplace. The extension has approximately 80K 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.

About This Extension

This extension set omnibox search to Yahoo search engine. When you make a search through omnibox, it redirect search to Yahoo search engine.

Frequently Asked Questions