Security Alert: Confirmed Malware

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

CRITICAL RISKRemoved from Chrome Web Store

Files Downloader Expert

ID: ncaigiiphnbdcogcmjnnemonoojcjcmj

Could be malicious

Supported Languages

🇺🇸English

Extension Info & Metadata

Status

Removed

Version

1.0.1

Size

0.30 MB

Rating

5.0/5

Reviews

Users

39,979

Type

Extension

Updated

Jan 30, 2023

Publisher Contextual Analysis

Trusted

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

Total Extensions

Active

Obsolete

Listed

Unlisted

Total Users

39,979

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Files Downloader Expert is your new wonderful downloading tool located in your Chrome browser! To use this extension, all you have…

Files Downloader Expert is your new wonderful downloading tool located in your Chrome browser! To use this extension, all you have to do is to click on the icon and you’ll get all the features Files Downloader Expert offers. This extension is so simply to use, you just paste the URL address of the file you want to download, click on the download button and there you go- your file is now existing on your computer and you did it right from your browser.  Some more of Files Downloader Expert features will enable you also to open it in a new window and even change it to dark mode. Come visit our site for additional info: https://filesdownloader-expert.com/

User Growth

Showing data from May 03, 2023 to Jun 25, 2023

Versions

-18.57%(-9,116 users)

Compared to 2 months ago

1 version released in this period

Rating Count

Total: 1 ratings

Average Rating

Current: 5.00 / 5.0

Extracted Data

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By severity

Critical2

High2

Medium1

Low0

Versions scanned

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

Extension Version	Code Review Findings
1.0.1 Code review	5

Extension Version	Code Review Findings
1.0.1	5

Files with findings

3 distinct paths — top paths by unique finding count:

background.js2
content.js2
manifest.json1

S.No.	Category	Severity	File	Summary	Found in Version
1	Remote Code Loading	critical	content.js (line 1982)	The content script uses a complex obfuscated function to resolve and execute arbitrary functions from the global window object using decrypted string lists. This dynamic function resolution and execution (i(Xa, _a)) i…	1.0.1
2	Tracking	critical	background.js (line 1385)	The background script performs tracking and fetches remote instructions/URLs from a third-party domain (felissin.com). It also sets a tracking URL for extension uninstallation and opens a remote URL in a new tab upon …	1.0.1
3	Obfuscation	high	background.js (line 1)	The script is heavily obfuscated with thousands of lines of junk code, dead-code comparisons, and repeated try-catch blocks designed to evade static analysis and ML detection. This level of obfuscation is a strong ind…	1.0.1
4	Unauthorized Data Collection	high	content.js (line 4864)	The script extracts information from the current page's URL query parameters and transmits it to a remote server (felissin.com). This allows the extension to track user navigation and specific campaign data across all…	1.0.1
5	Other	medium	manifest.json (line 26)	The manifest requests the 'downloads' permission while code analysis shows no actual usage of the chrome.downloads API, indicating a deceptive purpose. Furthermore, it injects a content script into all websites (https…	1.0.1

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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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felissin.com	/api/v3/thanks	https://felissin.com/api/v3/thanks
felissin.com	/api/v3/uninstall	https://felissin.com/api/v3/uninstall
felissin.com	/api/v3/	https://felissin.com/api/v3/?
felissin.com	-	https://felissin.com
clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx
*	/*	https:///
*	/*	http:///
momentjs.com	/guides/	http://momentjs.com/guides/#/warnings/define-locale/
momentjs.com	/guides/	http://momentjs.com/guides/#/warnings/js-date/
momentjs.com	/guides/	http://momentjs.com/guides/#/warnings/min-max/

Showing 1 to 10 of 30 rows

Rows per page:

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No IP addresses found

5.0 out of 5 · 2 most recent reviews

Text reviews

Positive

Negative

good！

文

文人墨主·19 Feb 2023

good！

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��人墨主·19 Feb 2023

Version History

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Browse and explore files within this extension package

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Security Alert: Confirmed Malware

Files Downloader Expert

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 1 Version5

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

User Reviews

Version History

Version-to-Version Code Diff

Extension Files

User Reviews

User Growth

Rating Count

Average Rating