Tracked campaign: Russian VPN Proxy Farm

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

Firefox Add-ons

Extension

by Арчи · 1 users
b891c7ff-d612-5bfa-831c-324e13b0234b | v1.3
0/ 100
MINIMAL risk
-56 since v1.0
56 → 0 · false positives removed
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
2 days ago
Version
v1.3
Artifact
SHA256 3F2…5E6
Source
Findings (non-IoC)

Evidence ledger

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

54 detail rows

YARA Rule Matches

11 rules
SeverityRuleHitsFilesMetadata
LOWpostinstall file download 1
js/bg.js
-
LOWSQLInjection 1
js/jquery.js
-
LOWNoUseWeakRandom 2
js/jquery.jspopup/main.js
-
LOWpostinstall persistence mechanism 16
font/Nunito/Nunito-Black.ttffont/Nunito/Nunito-ExtraLightItalic.ttffont/Nunito/Nunito-Regular.ttf +13 more
-
LOWpostinstall network communication 10
tutorial/style.csssettings/style.csssettings/main.js +7 more
-
LOWpostinstall crypto operations 1
js/jquery.js
-
LOWpostinstall file manipulation 5
tutorial/main.jssettings/main.jsjs/bg.js +2 more
-
LOWAlertStatementsShouldNotBeUsed 1
popup/main.js
-
LOWpostinstall obfuscation 3
js/jquery.jsjs/bg.jspopup/main.js
-
LOWpostinstall system command 6
popup/main.jsjs/jquery.jstutorial/info.html +3 more
-
LOWLocalStorageShouldNotBeUsed 4
popup/main.jstutorial/main.jssettings/main.js +1 more
-

Publisher Evidence

Limited evidence

Арчи

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.

29
Noisy-finding weight
x1.00
Publisher domain
No domain
Missing
Store verification signal
Limited signal
Limited
Extension portfolio
3
Portfolio

12 evidence rows available.

Finding Categories

4
Network

YARA Rules Matched

11 rules(50 hits)
postinstall file download SQLInjection NoUseWeakRandom postinstall persistence mechanism postinstall network communication postinstall crypto operations postinstall file manipulation AlertStatementsShouldNotBeUsed postinstall obfuscation postinstall system command LocalStorageShouldNotBeUsed

Requested Permissions

8 permissions
proxy

Control the browser's proxy settings

Dangerous
<all_urls>

Access and modify data on every website you visit

Dangerous
webRequest

Intercept, modify, and block all network requests

High
browsingData
Medium
storage
Low
webRequestAuthProvider
Low
notifications
Low
offscreen
Low

Security Analysis Summary

Security Analysis Overview

This extension is a Firefox Add-ons extension published by Арчи. Version 1.3 has been analyzed by the Risky Plugins security platform, receiving a risk score of 0/100 (MINIMAL risk) based on 0 security findings.

Risk Assessment

This extension presents minimal security concerns. The automated analysis found very few or no issues, suggesting it is suitable for general use.

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 Арчи on the Firefox Add-ons marketplace. The extension has approximately 1 users.

Recommendation

Based on the automated security analysis, this extension appears safe for general use. As with any extension, users should review the requested permissions before installation.

Frequently Asked Questions