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 · 16 users · 5.0 rating
84a50c52-bd21-545a-bcfc-0d0e4588f9e3 | v1.2
56/ 100
MEDIUM risk
No change since v1.0
Threat verdict
Do not install

Confirmed member of a tracked malicious supply-chain campaign.

Analysis record

Analysed
5 days ago
Version
v1.2
Artifact
SHA256 765…DBF
Source
Findings (non-IoC)

Evidence ledger

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

55 detail rows

YARA Rule Matches

11 rules
SeverityRuleHitsFilesMetadata
LOWLocalStorageShouldNotBeUsed 4
popup/main.jstutorial/main.jssettings/main.js +1 more
-
LOWpostinstall network communication 10
popup/main.jstutorial/style.cssjs/jquery.js +7 more
-
LOWpostinstall crypto operations 1
js/jquery.js
-
LOWpostinstall file manipulation 5
js/bg.jssettings/main.jsjs/jquery.js +2 more
-
LOWAlertStatementsShouldNotBeUsed 1
popup/main.js
-
LOWpostinstall obfuscation 3
popup/main.jsjs/jquery.jsjs/bg.js
-
LOWpostinstall system command 6
popup/main.jstutorial/info.htmltutorial/main.js +3 more
-
LOWpostinstall file download 1
js/bg.js
-
LOWSQLInjection 1
js/jquery.js
-
LOWNoUseWeakRandom 2
popup/main.jsjs/jquery.js
-
LOWpostinstall persistence mechanism 17
font/Nunito/Nunito-BoldItalic.ttffont/Nunito/Nunito-Bold.ttffont/Nunito/Nunito-BlackItalic.ttf +14 more
-

Network Indicators

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

161 total

Loading network indicators

IoC detail rows are loaded outside the initial page render.

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
161
IoC Indicators

YARA Rules Matched

11 rules(51 hits)
LocalStorageShouldNotBeUsed postinstall network communication postinstall crypto operations postinstall file manipulation AlertStatementsShouldNotBeUsed postinstall obfuscation postinstall system command postinstall file download SQLInjection NoUseWeakRandom postinstall persistence mechanism

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
*://www.google.com/sorry/index*
Low

Security Analysis Summary

Security Analysis Overview

This extension is a Firefox Add-ons extension published by Арчи. Version 1.2 has been analyzed by the Risky Plugins security platform, receiving a risk score of 56.31/100 (MEDIUM risk) based on 216 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: 165 finding(s)
  • Low: 51 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 Арчи on the Firefox Add-ons marketplace. The extension has approximately 16 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.

Firefox 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
56
Change since first
No change
Change from previous
No change
Versions:
First analyzed version
1.0
Oct 19, 2026
Risk range
56 to 56
Across analyzed versions
Latest analyzed version
1.2
Oct 22, 2026
Selected version
medium
Version
v1.2
5 days ago
Risk score
56
Findings
216
Change vs previous
No change

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

Frequently Asked Questions