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spstub.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 spstub.exe by ClientConnect has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from sp-storage.conduit-services.com and multiple other hosts. While running, it connects to the Internet address offering.service.distributionengine.va.conduit-services.com on port 80 using the HTTP protocol.
Publisher:
Client Connect  (signed by ClientConnect LTD)

Description:
Search Protect

Version:
2.4.2.1

MD5:
accff193bf83ca1d84fc8cd72d263fb9

SHA-1:
1fbcce3ecebd5955f90e91c6b6b74ee06783cd66

SHA-256:
295dd5c7dc72eb0c4efe2701bab1bd796dfdb4e2ef3e035336b2b48f0eefd291

Scanner detections:
6 / 68

Status:
Adware

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

Analysis date:
4/24/2024 7:14:22 PM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.Conduit
4.0.3.1461

Dr.Web
Adware.Conduit.101
9.0.1.05190

ESET NOD32
Win32/Conduit.SearchProtect.N potentially unwanted application
7.0.302.0

G Data
Win32.Application.SearchProtect
14.6.24

Reason Heuristics
PUP.ClientConnect.G
14.6.1.8

VIPRE Antivirus
Threat.4786236
29800

File size:
232.1 KB (237,640 bytes)

Copyright:
© 2014 Client Connect Ltd.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\spstub.exe

Digital Signature
Signed by:
ClientConnect LTD

Authority:
Symantec Corporation

Valid from:
4/29/2014 2:00:00 AM

Valid to:
4/30/2016 1:59:59 AM

Subject:
CN=ClientConnect LTD, OU=SPStub, O=ClientConnect LTD, L=Ness Ziona, S=Israel, C=IL

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
36AC210D3412C8646EB3F4C8EE541402

File PE Metadata
Compilation timestamp:
7/6/2011 4:31:20 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:umJIGD4NNG3eiq/YOOiGzMyWntiBIGnBFw:umJPD4NDimd3nWtY

Entry address:
0x354B

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, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file spstub.exe has been seen being distributed by the following 2 URLs.

https://sp-storage.conduit-services.com/.../spstub.exe

http://sp-storage.spccinta.com/.../spstub.exe

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

TCP (HTTP):
Connects to ude.conduit-data.com  (54.197.244.95:80)

TCP (HTTP):
Connects to offering.service.distributionengine.va.conduit-services.com  (199.101.114.147:80)

TCP (HTTP):
Connects to cms.distributionengine.conduit-services.com  (23.67.242.59:80)

 
http://cms.distributionengine.conduit-services.com//MainOffer/6034328/?CurrentStep=1&TotalSteps=5&DMVersion=1.0.8.4_Perion.6033205.04&Language=None

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