Surfshark VPN
Score-based assessment (critical risk, 85/100). No analyst review available.
Analysis record
- Analysed
- 1 weeks ago
- Version
- v5.3.0
- Artifact
- SHA256 856…4A6
- Source
- Findings (non-IoC)
Evidence ledger
Ranked by severity · findings with a source location link to the code viewer
YARA Rule Matches
19 rules| Severity | Rule | Hits | Files | Metadata |
|---|---|---|---|---|
| LOW | postinstall crypto operations | 41 | web_accessible_resources/google-analytics_cx_api.jsfilter-lists/dnr/regional/CHN-0.jsonfilter-lists/dnr/regional/JPN-1.json +38 more | - |
| LOW | postinstall system command | 54 | filter-lists/ad-blocker-trackers.bytesweb_accessible_resources/amazon-apstag.jsfilter-lists/dnr/regional/FRA-0.json +51 more | - |
| LOW | postinstall network communication | 68 | filter-lists/dnr/regional/POL-2.jsonfilter-lists/dnr/regional/CZE-0.jsonfilter-lists/regional/CHN-0.bytes +65 more | - |
| LOW | postinstall obfuscation | 40 | filter-lists/dnr/regional/SPA-1.jsonyoutube-main.bundle.jsvendors.bundle.js +37 more | - |
| LOW | postinstall file manipulation | 67 | filter-lists/dnr/adBlockerAds.jsonvendors.bundle.jsfilter-lists/dnr/regional/FIN-0.json +64 more | - |
| LOW | postinstall registry modification | 14 | filter-lists/resources.jsonsafe-search.bundle.jsbreach-alert.bundle.js +11 more | - |
| LOW | credential steam data | 3 | filter-lists/dnr/adBlockerTrackers.jsonfilter-lists/dnr/adBlockerAds.jsonfilter-lists/dnr/regional/RUS-0.json | - |
| LOW | OriginsNotVerified | 2 | cs-main-world.bundle.jscs-isolated-world.bundle.js | - |
| LOW | credential skype data | 4 | filter-lists/dnr/adBlockerTrackers.jsonfilter-lists/dnr/adBlockerAds.jsonsafe-search.bundle.js +1 more | - |
| LOW | credential env files | 7 | autofill.bundle.jsvendors.bundle.jsbreach-alert.bundle.js +4 more | - |
| LOW | postinstall persistence mechanism | 23 | vendors.bundle.jsautofill.bundle.jscs-onboarding.bundle.js +20 more | - |
| LOW | WarpStrings | 2 | filter-lists/dnr/adBlockerTrackers.jsonfilter-lists/dnr/regional/FRA-0.json | - |
| LOW | Cerberus | 1 | filter-lists/dnr/adBlockerTrackers.json | - |
| LOW | LocalStorageShouldNotBeUsed | 1 | autofill.bundle.js | - |
| LOW | DebuggerStatementsShouldNotBeUsed | 3 | filter-lists/resources.jsonfilter-lists/dnr/adBlockerAds.jsonfilter-lists/dnr/adBlockerTrackers.json | - |
| LOW | NoUseEval | 1 | vendors.bundle.js | - |
| LOW | SQLInjection | 1 | popup.bundle.js | - |
| LOW | NoUseWeakRandom | 19 | youtube-main.bundle.jsvendors.bundle.jsautofill.bundle.js +16 more | - |
| LOW | postinstall file download | 40 | web_accessible_resources/amazon_apstag.jsfilter-lists/dnr/regional/CHN-0.jsonfilter-lists/dnr/cookieBlocker.json +37 more | - |
Network Indicators
Concrete URLs, domains, IPs, emails, and hashes extracted from the analyzed artifact.
Network indicators are queued for lazy loading
Scroll this section into view to load the detailed rows.
Publisher Evidence
Limited evidenceSurfshark VPN
Publisher identity, store signals, distribution reach, and warning signals used for context. Treat this as supporting evidence, not a clean bill of health.
Edge 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
19 rules(391 hits)Security Analysis Summary
Security Analysis Overview
Surfshark VPN is a Microsoft Edge Add-ons extension published by Surfshark VPN. Version 5.3.0 has been analyzed by the Risky Plugins security platform, receiving a risk score of 85/100 (CRITICAL risk) based on 456451 security findings.
Risk Assessment
This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.
Findings Breakdown
- Medium: 455847 finding(s)
- Low: 391 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
Surfshark VPN is published by Surfshark VPN on the Microsoft Edge 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.
Edge version history
Risk trend by version
4 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.
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