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spstub.exe

Conduit Ltd.

The file belongs to the Conduit API platform, a utility that bundles and monetizes search toolbars and web browser extensions. The application spstub.exe, “Search Protect by conduit” by Conduit has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the Conduit Setup Manager 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. While running, it connects to the Internet address offering.service.distributionengine.va.conduit-services.com on port 80 using the HTTP protocol.
Publisher:
Conduit  (signed by Conduit Ltd.)

Description:
Search Protect by conduit

Version:
2.2.0.9

MD5:
018ce444424212858f15f91598e302b2

SHA-1:
31eec2a99bd6b8a4a7ce14c924bc6b256048da01

SHA-256:
3583733a8b8124c52f0433317d05fff2f5986ffeeb63365f43a7f640a3607807

Scanner detections:
7 / 68

Status:
Potentially unwanted

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/19/2024 8:50:57 AM UTC  (today)

Scan engine
Detection
Engine version

Boost by Reason
Optional.Conduit.G
188838

Dr.Web
Adware.Conduit.82
9.0.1.0192

Malwarebytes
PUP.Optional.Conduit.A
v2014.07.11.09

Panda Antivirus
PUP/Conduit.A
14.07.11.09

Reason Heuristics
PUP.SearchProtect.Conduit.G
14.8.7.22

Trend Micro House Call
TROJ_GEN.F47V0531
7.2.192

VIPRE Antivirus
Conduit
29878

File size:
65.3 KB (66,864 bytes)

Copyright:
Conduit Ltd.

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Conduit Setup Manager (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Conduit Ltd.

Authority:
VeriSign, Inc.

Valid from:
1/3/2013 1:00:00 AM

Valid to:
4/4/2016 12:59:59 AM

Subject:
CN=Conduit Ltd., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Conduit 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:
3A82654719D8F75B59134F7B66465210

File PE Metadata
Compilation timestamp:
7/6/2011 3:31:20 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
1536:6M31cmV+V3/XruLU9ltCE7yP3Q7yOCScH9Njk2Ovl/SFt:JcmVWD5ltbmP3Q7yOCScdi2Out

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 URL.

https://sp-storage.conduit-services.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/7637495/?CurrentStep=1&TotalSteps=5&DMVersion=1.6.8.4_Perion.7636372.04&Language=None

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