nleppkokcelhlekkhnkjbbdjphaldloi.crx

BrowseStudio

This is a Chrome web browser extension which contains the installable app and manifest file. The file nleppkokcelhlekkhnkjbbdjphaldloi.crx has been detected as a potentially unwanted program by 3 anti-malware scanners. It loads within the context of Google Chrome as a compliled extension with the display name of BrowseStudio. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. While running, it connects to the Internet address wwwbrowsestudioc-a.akamaihd.net on port 80 using the HTTP protocol.
MD5:
c836e6bdb98ea4c3eb82060bfeaf5c6f

SHA-1:
4c220ff2f391d67910902e84d6bf362ba921fdc5

SHA-256:
5bd6db006ad8855daa13602378bef3102c71459edff999af2f0668d51b9cf809

Scanner detections:
3 / 68

Status:
Potentially unwanted

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
5/27/2018 11:03:32 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
infected with Trojan.Yontoo.444
9.0.1.05190

ESET NOD32
Win32/BrowseFox.Q potentially unwanted application
7.0.302.0

Reason Heuristics
Adware.Yontoo.ChromePlugin
15.3.21.4

File size:
5 KB (5,142 bytes)

File type:
CRX Package Format (zip file with special header)

Common path:
C:\Program Files\browsestudio\nleppkokcelhlekkhnkjbbdjphaldloi.crx

Google Chrome Extension
ID:
BrowseStudio

Display name:
BrowseStudio

Update URL:
http://wwwbrowsestudioc-a.akamaihd.net/update/chrome


The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to wwwbrowsestudioc-a.akamaihd.net  (23.67.251.57:80)

 
http://wwwbrowsestudioc-a.akamaihd.net/update/chrome

{
  "manifest_version": 2,
  "name": "BrowseStudio",
  "description": "",
  "version": "1.0.1",
  "icons": {
    "48": "icon.png"
  },
  "homepage_url": "http://browsestudio.com",
  "update_url": "http://wwwbrowsestudioc-a.akamaihd.net/update/chrome",
  "content_security_policy": "script-src 'self' 'unsafe-eval' https://apibrowsestudioc-a.akamaihd.net https://api.browsestudio.com; object-src 'self'",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "management",
    "<all_urls>"
  ]
}
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