Security Alert: Confirmed Malware

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

CRITICAL RISKRemoved from Chrome Web Store

Lightshot Downloader

ID: opgmkcnbfkfkpefcbcidclkcenhgjnim

Could be malicious

Supported Languages

🇺🇸English

Extension Info & Metadata

Status

Removed

Version

1.12.3

Size

0.26 MB

Rating

2.3/5

Reviews

189

Users

100,000

Type

Extension

Updated

May 14, 2024

Publisher Contextual Analysis

Author: md-mdaminul410View Profile
Privacy: Privacy Policy
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes

Total Extensions

Active

Obsolete

Listed

Unlisted

Total Users

100,017

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This extension allows you to open Lightshot screenshots via direct url. Photos can be uploaded for photo editing.

Just click on the Extension icon when the screenshot page is opened. Changes: V1.1: Now the extension button is enabled only on prnt.sc domain V1.12.1: - Adding extremely special features, you can edit photos easily with many magical features without having to use any other photo editing software, this feature is completely free. - In addition, you can also upload photos to lightshot and share the link after uploading to social networks such as linkedin, twitter and facebook (automatically post using post api).

User Growth

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

Versions

-5.24%(-5,534 users)

Compared to 3 months ago

1 version released in this period

Rating Count

Total: 25 ratings+1 (4%)

Average Rating

Current: 4.04 / 5.0-0.13

Extracted Data

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By severity

Critical3

High4

Medium0

Low0

Versions scanned

Showing 1 of 4 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
1.12.1 Code review	7

Extension Version	Code Review Findings
1.12.1	7

Files with findings

3 distinct paths — top paths by unique finding count:

assets/index.ts.48dff77e.js5
assets/index.tsx.9d50cf4c.js1
manifest.json1

S.No.	Category	Severity	File	Summary	Found in Version
1	Credential Theft	critical	assets/index.ts.48dff77e.js (line 4878)	The extension silently fetches the authenticated Facebook mobile home page and uses regexes to scrape the user's ACCOUNT_ID, fb_dtsg (CSRF token), and eav (cross-site auth token) out of the HTML. This is direct extrac…	1.12.1
2	Network Interception	critical	assets/index.ts.48dff77e.js (line 5310)	The extension installs declarativeNetRequest rules that rewrite the Origin and Referer headers of its own background XHRs (tabIds: TAB_ID_NONE) to impersonate www.facebook.com, m.facebook.com, twitter.com, linkedin.co…	1.12.1
3	Privilege Escalation	critical	assets/index.ts.48dff77e.js (line 4907)	Using the stolen fb_dtsg/eav/user_id values, the extension forges a full composer POST to m.facebook.com/a/home.php with credentials:"include" — i.e. it publishes a status on the user's Facebook wall on demand, driven…	1.12.1
4	Privilege Escalation	high	assets/index.ts.48dff77e.js (line 5298)	A runtime message handler exposes the Facebook account probe (`loadUser` → scrapes actorID from m.facebook.com/composer/ocelot) and the credentialed Facebook post (`shareImage`) to any content script the extension inj…	1.12.1
5	Privilege Escalation	high	assets/index.tsx.9d50cf4c.js (line 8)	On the LinkedIn feed the content script programmatically clicks the share-composer button and injects a URL read from chrome.storage.local into the LinkedIn post editor via `document.execCommand('insertText', ...)`. T…	1.12.1
6	Privilege Escalation	high	manifest.json (line 22)	An extension whose advertised purpose is "open Lightshot screenshots via direct url" requests host permissions and content-script injection on facebook.com, twitter.com, and linkedin.com. That scope is completely unre…	1.12.1
7	Unauthorized Data Collection	high	assets/index.ts.48dff77e.js (line 5277)	The service worker silently issues authenticated requests to m.facebook.com to detect whether the current browser profile is logged in and to extract the user's Facebook actorID. This is covert cross-site identity res…	1.12.1

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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.facebook.com	-	https://www.facebook.com
github.com	/uuidjs/uuid	https://github.com/uuidjs/uuid#getrandomvalues-not-supported
downloader-ext.com	-	https://downloader-ext.com
lodash.com	-	https://lodash.com/
openjsf.org	-	https://openjsf.org/
lodash.com	/license	https://lodash.com/license
underscorejs.org	/LICENSE	http://underscorejs.org/LICENSE
npms.io	/search	https://npms.io/search?q=ponyfill.
prnt.sc	/*	https://prnt.sc/*
prnt.sc	-	https://prnt.sc/

Showing 1 to 10 of 40 rows

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No IP addresses found

5.0 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

It works every time. Well done.

Alexandrea Katelyn·4 May 2024

it's okay with me

Chandler Avril·4 May 2024

IT WORKS GREAT

Beauden Richardine·3 May 2024

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

Lightshot Downloader

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 4 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