Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: Clean Master: the best Chrome Cache Cleaner

CRITICAL RISKRemoved from Chrome Web Store

Clean Master: the best Chrome Cache Cleaner

ID: eagiakjmjnblliacokhcalebgnhellfi

Could be malicious

Supported Languages

🇧🇷Brazilian Portuguese

🇨🇿Czech

🇩🇰Danish

🇳🇱Dutch

🇺🇸English

🇫🇮Finnish

🇩🇪German

🇬🇷Greek

🇭🇺Hungarian

🇮🇹Italian

🇯🇵Japanese

🇰🇷Korean

🇲🇽Latin American Spanish

🇵🇱Polish

🇵🇹Portuguese

🇷🇴Romanian

🇷🇺Russian

🇪🇸Spanish

🇸🇪Swedish

🇹🇭Thai

🇹🇷Turkish

🇺🇦Ukrainian

🇺🇸US English

🇻🇳Vietnamese

Extension Info & Metadata

Status

Removed

Version

22.9.29.1452

Size

0.39 MB

Rating

4.8/5

Reviews

3,027

Users

200,000

Type

Extension

Updated

Nov 17, 2023

Publisher Contextual Analysis

Trusted

Author: cleanmasterView 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

200,000

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One-click cleans your browser cache and trash, protects your privacy, and makes your browser faster and productive

Just one-click make your browser super fast! - Clean your browser cache,cookies,website storage and other trashes.Improve the response speed of browsers. - Clean your password.Others will never login your personal account. - Clean your browser history.Others will never know what web site you've been browsing. - You can choose to clean up all personal information.Your privacy will be protected. - Your browser will never crash and stuck. - This is the most effective cleanup extension in chrome store.

User Growth

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

Versions

No change in user count

Compared to 3 months ago

8 versions released in this period

Rating Count

Total: 3,048 ratings-3 (0%)

Average Rating

Current: 4.87 / 5.0-0.01

Extracted Data

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By severity

Critical0

High0

Medium5

Low0

Versions scanned

Showing 1 of 8 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
22.6.9.2244 Code review	5

Extension Version	Code Review Findings
22.6.9.2244	5

Files with findings

4 distinct paths — top paths by unique finding count:

lib/js/extfans-ga.js2
background/bg-ga.js1
background/tracker.js1
popup/js/popup.js1

S.No.	Category	Severity	File	Summary	Found in Version
1	Data Exfiltration	medium	lib/js/extfans-ga.js (line 96)	This function serializes analytics fields into a query string and transmits them to `https://www.google-analytics.com/collect` with `fetch()`. In combination with the stored client ID and system metadata, it creates a…	22.6.9.2244
2	Network Interception	medium	background/tracker.js (line 19)	This code hooks `chrome.webRequest.onBeforeRequest` for all HTTP and HTTPS URLs and inspects subresource requests before page load completes. Although presented as tracker detection, it still performs broad network su…	22.6.9.2244
3	Tracking	medium	background/bg-ga.js (line 3)	This background code initializes Google Analytics with a stable client ID and submits pageview and interaction events together with system information. For a utility extension, silent analytics tied to a persistent id…	22.6.9.2244
4	Tracking	medium	lib/js/extfans-ga.js (line 36)	The analytics helper generates a UUID-like identifier and stores it in extension-local storage so telemetry can be linked across sessions. Persistent identifiers are a classic tracking primitive and are suspicious her…	22.6.9.2244
5	Unauthorized Data Collection	medium	popup/js/popup.js (line 17)	The popup collects screen resolution, color depth, and page title and persists them under `ga:*` keys for later telemetry use. These values are not required to clear browsing data and look like device/browser fingerpr…	22.6.9.2244

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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
bugzilla.mozilla.org	/show_bug.cgi	https://bugzilla.mozilla.org/show_bug.cgi?id=745678\n
en.wikipedia.org	/wiki/Operator-precedence_parser/n/nvar	http://en.wikipedia.org/wiki/Operator-precedence_parser\n\nvar
github.com	/acornjs/acorn/issues/575/n	https://github.com/acornjs/acorn/issues/575\n
github.com	/mozilla/sweet.js/wiki/design/n/nvar	https://github.com/mozilla/sweet.js/wiki/design\n\nvar
www.ecma-international.org	/ecma-262/8.0/	https://www.ecma-international.org/ecma-262/8.0/#prod-Pattern\npp$9.regexp_pattern
www.ecma-international.org	/ecma-262/8.0/	https://www.ecma-international.org/ecma-262/8.0/#prod-Disjunction\npp$9.regexp_disjunction
www.ecma-international.org	/ecma-262/8.0/	https://www.ecma-international.org/ecma-262/8.0/#prod-Alternative\npp$9.regexp_alternative
www.ecma-international.org	/ecma-262/8.0/	https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Term\npp$9.regexp_eatTerm
www.ecma-international.org	/ecma-262/8.0/	https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Assertion\npp$9.regexp_eatAssertion

Showing 1 to 10 of 60 rows

Rows per page:

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110.242.68.3	IPv4	-
110.93.143.144	IPv4	-
180.210.206.226	IPv4	-

3.7 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

oke!

Thị Hường Nguyễn·29 May 2025

The best one 1 click clean.

Mahbub Mohiuddin·3 Feb 2025

This extension itself claims to aim for security yet is tracking you through cookies and your behavior across the internet as you use it. Please take the time to read the privacy policy before you continue with your usage of this application. Its privacy policy is antithetical to its very purpose. If you want to manually clear your cache you can do so in your browser's settings.

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

Clean Master: the best Chrome Cache Cleaner

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 8 Versions5

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