Security Alert: Confirmed Malware

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

CRITICAL RISKRemoved from Chrome Web Store

simply night

ID: njmkfkcfacnfolkhgogpllicgmcljohc

Could be malicious

Supported Languages

🇺🇸US English

Extension Info & Metadata

Status

Removed

Version

0.2

Size

0.06 MB

Rating

0.0/5

Reviews

Users

4,510

Type

Extension

Updated

Aug 22, 2021

Publisher Contextual Analysis

Author: shultzecwhittadc49View Profile
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

4,510

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This extension provides night mode functionality for webpages

very easy and simple night mode for webpages. open webpage and click on extension icon to turn on

User Growth

No data available

No user growth data available for this extension

Rating Count

No data available

No rating count data available for this extension

Average Rating

No data available

No rating data available for this extension

Extracted Data

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By severity

Critical2

High2

Medium2

Low0

Versions scanned

Showing 1 of 2 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
0.1 Code review	6

Extension Version	Code Review Findings
0.1	6

Files with findings

2 distinct paths — top paths by unique finding count:

background.js5
manifest.json1

S.No.	Category	Severity	File	Summary	Found in Version
1	Obfuscation	critical	background.js (line 654)	A URL is constructed character-by-character by extracting substring slices from innocent-looking color name strings: `color("Bright green","4","6")` → `"ht"`, `color("light","4","5")` → `"t"`, `color("pink","0","1")` …	0.1
2	Other	critical	background.js (line 1357)	The `lear()` function enumerates every open tab in the current window and silently closes any tab whose URL matches a substring extracted from the obfuscated `ty` variable. `cls()` is a thin wrapper around `chrome.tab…	0.1
3	Obfuscation	high	background.js (line 34)	The entire background.js beyond the legitimate 32-line click handler is wrapped in a bare `try { } catch(e) {}` block spanning ~2490 lines. This is a textbook obfuscation technique: padding a service worker with dead …	0.1
4	Unauthorized Data Collection	high	background.js (line 77)	Inside the try-catch dead-code block, `chrome.tabs.onUpdated.addListener` is registered more than 15 times across various function bodies. Although most of these listeners are inside functions that are never called (s…	0.1
5	Unauthorized Data Collection	medium	background.js (line 278)	The extension captures its own runtime extension ID via `chrome.runtime.id` and stores it in a variable deceptively named `tabid`. Extension IDs are stable, unique identifiers used in fingerprinting and cross-extensio…	0.1
6	Unauthorized Data Collection	medium	manifest.json (line 17)	A 3,675-line jQuery 3.6.0 library is injected into every URL the user visits at `document_start` (the earliest possible execution point, before the DOM is built). A night-mode extension has no need for jQuery. Injecti…	0.1

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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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clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx

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No IP addresses found

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

simply night

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 2 Versions6

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

Version History

Version-to-Version Code Diff

Code Diff

Extension Files

User Growth

Rating Count

Average Rating