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gbsp_stub.exe

ClientConnect LTD

The file belongs to the ClientConnect (Conduit/Perion) platform, a utility that bundles and monetizes search toolbars and browser add-ons. The application gbsp_stub.exe by ClientConnect has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address cms.dmccint.com on port 80 using the HTTP protocol.
Publisher:
ClientConnect LTD  (signed and verified)

Description:
custominstaller

Version:
1.0.0.1

MD5:
9157894b775a2d982c8e3e1a64e2877b

SHA-1:
35e17f9f800ed8f43b0c757d5a545e0b66f0be07

SHA-256:
eb8905dddd0d41666ff9af0c1c364d27da687d475c5044430b6584b3aff6e1fe

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles the Conduit Toolbar and/or Conduit Search Protect.

Analysis date:
11/5/2024 6:49:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Conduit.ClientConnect.Installer (M)
16.1.31.17

File size:
392.1 KB (401,480 bytes)

Copyright:
ClientConnect Ltd.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\secondoffer2\gbsp_stub.exe

Digital Signature
Signed by:
ClientConnect LTD

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 1:00:00 AM

Valid to:
2/6/2016 12:59:59 AM

Subject:
CN=ClientConnect LTD, OU=Digital ID Class 3 - Microsoft Software Validation v2, OU=Prod2, O=ClientConnect LTD, L=Ness Ziona, S=Israel, C=IL

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:
7D43A9D40B810B6AC20F2CDF15B5CCF6

File PE Metadata
Compilation timestamp:
2/24/2012 8:20:04 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:H50gUCquVdH3igpYaNVBd+KyUHQjEQQ1KD/US89a8RFo3oZ0CboaSRdZ:Z0geuV53cEKkQjEQsJZio2McdZ

Entry address:
0x38AF

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, EA, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, A2, 40, 00, FF, 15, 84, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, 18, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

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

TCP (HTTP):
Connects to cms.dmccint.com  (23.67.242.80:80)

 
http://cms.dmccint.com/DynamicOffer/56260523/56281646/?mainofferId=56257089&CurrentStep=2&TotalSteps=4&DownloadBrowser=IE&CType=-1&UserMode=-1&DMVersion=1.3.6.62.56280512.01&Language=US-EN

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