Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: Locoloader

CRITICAL RISKRemoved from Chrome Web Store

Locoloader

ID: gdnampplelgpgbhcgeamnppgiomgnbli

Could be malicious

Supported Languages

🇺🇸English

Extension Info & Metadata

Status

Removed

Version

1.6.7

Size

0.02 MB

Rating

2.3/5

Reviews

Users

34,193

Type

Extension

Updated

Nov 21, 2023

Publisher Contextual Analysis

Author: LocoloaderView Profile
Privacy: Privacy Policy
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: Yes
Mailbox exists: Yes
Website: Visit

Total Extensions

Active

Obsolete

Listed

Unlisted

Total Users

34,193

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Add extra powers⚡ to Locoloader.com!

By installing this extension, you add more features to Locoloader.com: - Standard download buttons (no right-click is required) - Bulk download with a single click - Automatic filenames - Extended features for supported websites Locoloader.com respects your privacy, so this extension is active only when it is necessary.

User Growth

Showing data from Jan 01, 2022 to Dec 31, 2022

Versions

+22.68%(+6,322 users)

Compared to 4 months ago

7 versions released in this period

Rating Count

Total: 24 ratings

Average Rating

Current: 2.79 / 5.0+0.37

Extracted Data

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By severity

Critical3

High3

Medium0

Low1

Versions scanned

Showing 1 of 20 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
1.6.6 Code review	7

Extension Version	Code Review Findings
1.6.6	7

Files with findings

2 distinct paths — top paths by unique finding count:

background.js5
fetcher.js2

S.No.	Category	Severity	File	Summary	Found in Version
1	Data Exfiltration	critical	fetcher.js (line 292)	After running the page, fetcher.js serializes the entire DOM (including any rendered authenticated content from the opened arbitrary URL), plus issues additional XHR fetches of caller-specified URLs in the page's orig…	1.6.6
2	Remote Code Loading	critical	fetcher.js (line 1)	fetcher.js obtains the AsyncFunction constructor (an eval-equivalent) and exposes an `eval` action that compiles and executes arbitrary JavaScript strings supplied by `document.LLPage.actions`. LLPage is set by backgr…	1.6.6
3	Remote Code Loading	critical	background.js (line 166)	background.js opens an arbitrary URL (supplied by the locoloader.com page via externally_connectable messaging) in a hidden background tab, monkey-patches `console.clear` (suppressing diagnostic noise), injects attack…	1.6.6
4	Network Interception	high	background.js (line 325)	External `ext-fetch` handler accepts an arbitrary URL and arbitrary request headers from the locoloader.com page, then fetches the URL using the user's browser context (cookies, IP) and returns the full response body …	1.6.6
5	Network Interception	high	background.js (line 398)	The extension uses `declarativeNetRequest.updateSessionRules` to install attacker-controlled `modifyHeaders` rules with arbitrary actions/conditions supplied by external messages (see message.headers in ext-tab and ex…	1.6.6
6	Privilege Escalation	high	background.js (line 294)	Every powerful primitive (open tab + scrape DOM + eval JS, fetch arbitrary URL with cookies, install dNR header rules) is gated only by `sender.origin === locoloader.com/test`. Anyone who controls or compromises locol…	1.6.6
7	Obfuscation	low	background.js (line 181)	Before running fetcher.js in a hidden background tab, the extension overrides `console.clear` on the target page to a no-op. This defeats a common anti-debugging/forensics behavior used by sites — but it is also a tel…	1.6.6

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URLs

IPv4

IPv6

URLs

View the external URLs this extension communicates with to understand its network activity and data interactions.

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www.locoloader.com	/*	https://www.locoloader.com/*
www.locoloader.test	/*	https://www.locoloader.test/*
www.locoloader.com	-	https://www.locoloader.com
www.locoloader.test	-	https://www.locoloader.test
developer.mozilla.org	/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncFunction	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncFunction
clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx
*	/*	http:///
*	/*	https:///

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No IP addresses found

1.0 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

Doesn't work if it's blob url

CYCLOPS Jiang·19 Jan 2024

Downloads one image at a time and even 200+ files are not zipped.

no pe·20 Dec 2023

Doesn't work

Troy Pope·9 Dec 2023

Version History

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Code Diff

Compare extension code between any two versions.

0 changed files detected

No comparable text files found between these versions.

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Browse and explore files within this extension package

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Security Alert: Confirmed Malware

Locoloader

Supported Languages

Extension Info & Metadata

Publisher Contextual Analysis

Chrome Web Store Metadata

About this extension

Analytics & Metrics

User Growth

Rating Count

Average Rating

Static Code Security Analysis

Extracted Data

Code Review Findings Summary Across 20 Versions7

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

User Reviews

Version History

Version-to-Version Code Diff

Code Diff

Extension Files

User Reviews

User Growth

Rating Count

Average Rating