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clingclangsetup.exe

Cling Clang

This is the installer and setup program from the Cling Clang branded Yontoo adware web browser extension. This adware injects various forms of advertisements in the user's web browser based on the HTML content and URLs viewed. Ad include banners, in-line context text links, coupons, and search. The program will install an auto-updating Windows service that will update the software with additional features. The application clingclangsetup.exe by Cling Clang has been detected as adware by 2 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer.
Publisher:
Cling Clang  (signed and verified)

MD5:
d98d0733fec16e78bba8344d8263a707

SHA-1:
6c6f86a901e9ff5c2d042151295b8363c832e69f

SHA-256:
75d2ae95b23e4a8f6560919f196dd7f1f7a6f4a27a979e95bc94bdcae7114ddd

Scanner detections:
2 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/26/2024 12:11:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.ClingClang.P
14.3.3.11

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.131220

File size:
226.3 KB (231,752 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\clingclangsetup.exe

Digital Signature
Signed by:
Cling Clang

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 2:00:00 AM

Valid to:
10/8/2014 1:59:59 AM

Subject:
CN=Cling Clang, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Cling Clang, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5D74FBB0061E5BD76029878075B12101

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:bZ+119SxYyfZ3/mCRyBRq/1RWBT5AYZm/G/HcG:0WpRmCRyL01s15AB/G/8G

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

TCP (HTTP):
Connects to wac.edgecastcdn.net  (72.21.81.13:80)

TCP (HTTP):
Connects to service.yontoo.com  (8.25.35.148:80)

TCP (HTTP):
Connects to api.yontoo.com  (8.25.35.15:80)

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