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
Confirmed member of a tracked malicious supply-chain campaign.
Analysis record
- Analysed
- 5 days ago
- Version
- v1.2.0
- Artifact
- SHA256 B8B…159
- Source
- Findings (non-IoC)
Evidence ledger
Ranked by severity · findings with a source location link to the code viewer
YARA Rule Matches
22 rules| Severity | Rule | Hits | Files | Metadata |
|---|---|---|---|---|
| LOW | DebuggerStatementsShouldNotBeUsed | 23 | scriptlets/annoyances-prevent-setTimeout.jsscriptlets/annoyances-trusted-suppress-native-method.jsscriptlets/annoyances-prevent-setInterval.js +20 more | - |
| LOW | ScarhiknStrings | 1 | rulesets/urlhaus~2.json | - |
| LOW | LocalStorageShouldNotBeUsed | 1 | content/fingerprint.js | - |
| LOW | function through object | 1 | scriptlets/ads-abort-current-inline-script.js | - |
| LOW | postinstall file download | 191 | rulesets/adguard-url-tracking.jsonMETA-INF/manifest.mfscriptlets/ads-prevent-setTimeout.js +188 more | - |
| LOW | NoUseWeakRandom | 25 | redirects/fingerprintjs2.jsscriptlets/annoyances-abort-on-property-write.jsscriptlets/ads-prevent-fetch.js +22 more | - |
| LOW | NoUseEval | 3 | lib/scriptlet-lib.jsscriptlets/ads-remove-node-text.jsscriptlets/ads-noeval.js | - |
| LOW | SQLInjection | 1 | lib/extended-css.js | - |
| LOW | credential skype data | 26 | data/registry.jsondata/ads-entity.jsondata/ads-sites-25.json +23 more | - |
| LOW | postinstall persistence mechanism | 49 | rulesets/urlhaus~2.jsonscriptlets/annoyances-prevent-addEventListener.jsdata/annoyances-sites-38.json +46 more | - |
| LOW | credential env files | 53 | scriptlets/ads-set-constant.jsdata/annoyances-sites-52.jsondata/annoyances-sites-41.json +50 more | - |
| LOW | WarpStrings | 7 | rulesets/easylist.jsondata/annoyances-generic.jsondata/annoyances-sites-23.json +4 more | - |
| LOW | Cerberus | 4 | scriptlets/ads-abort-current-inline-script.jsdata/registry.jsonscriptlets/ads-set-constant.js +1 more | - |
| LOW | postinstall obfuscation | 117 | data/ads-sites-49.jsonrulesets/urlhaus~3.jsonscriptlets/annoyances-abort-on-property-read.js +114 more | - |
| LOW | postinstall network communication | 185 | data/annoyances-sites-25.jsondata/annoyances-sites-39.jsonrulesets/adguard-url-tracking~2.json +182 more | - |
| LOW | credential steam data | 11 | data/registry.jsonrulesets/ubo-filters.jsonrulesets/easyprivacy.json +8 more | - |
| LOW | postinstall system command | 195 | scriptlets/annoyances-trusted-set-cookie.jsMETA-INF/cose.manifestscriptlets/ads-prevent-xhr.js +192 more | - |
| LOW | postinstall file manipulation | 65 | data/annoyances-sites-57.jsonrulesets/adguard-url-tracking~2.jsonscriptlets/annoyances-remove-node-text.js +62 more | - |
| LOW | postinstall crypto operations | 5 | data/ads-entity.jsonrulesets/hagezi-pro.jsondata/ads-sites-58.json +2 more | - |
| LOW | postinstall registry modification | 19 | rulesets/urlhaus~2.jsonrulesets/adguard-cookies.jsonrulesets/ubo-unbreak.json +16 more | - |
| LOW | AlertStatementsShouldNotBeUsed | 1 | scriptlets/ads-remove-node-text.js | - |
| LOW | postinstall environment access | 2 | dashboard/dashboard.jsoptions/options.js | - |
Publisher Evidence
Limited evidencedxbi
Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.
Firefox does not expose the same publisher verification data as IDE stores, so this score is deliberately conservative.
13 evidence rows available.
Finding Categories
YARA Rules Matched
22 rules(985 hits)Requested Permissions
13 permissionsControl the browser's proxy settings
Access and modify data on every website you visit
Intercept, modify, and block all network requests
Block network requests before they complete
Read and modify cookies on all sites
Security Analysis Summary
Security Analysis Overview
This extension is a Firefox Add-ons extension published by dxbi. Version 1.2.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 64.99/100 (MEDIUM risk) based on 436818 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
- Critical: 1 finding(s)
- High: 4 finding(s)
- Medium: 435531 finding(s)
- Low: 1282 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
This extension is published by dxbi on the Firefox Add-ons marketplace.
Recommendation
This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.
Source Code Not Available
Source code is not available for this version of the extension.
Frequently Asked Questions
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