stub.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 stub.exe 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 the user's temporary directory. The file has been seen being downloaded from toolbarstubdownload.conduit-services.com and multiple other hosts.
Publisher:
Conduit  (signed by Conduit Ltd.)

Version:
5.8.0.1

MD5:
38f9eb9aad7dbc947c5a55f57f081692

SHA-1:
4c265aaf9ae88d06269add7034d63a115606ddfa

SHA-256:
47038f5cfdeac6cf9c75ed6bd9f9fb389ede99899cc51a1e9c9a0100c585395a

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:
4/26/2024 12:42:33 PM UTC  (today)

Scan engine
Detection
Engine version

Boost by Reason
PUP.Conduit.E
2013.11.20.21

Dr.Web
Adware.Conduit.8
9.0.1.0346

Malwarebytes
PUP.Optional.Conduit.A
v2013.12.12.07

Norman
Conduit.WA
11.20131229

Reason Heuristics
PUP.Conduit.E
14.8.7.22

Trend Micro House Call
TROJ_GEN.F47V1122
7.2.346

VIPRE Antivirus
Conduit
24868

File size:
79.8 KB (81,736 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\temp\{random}.tmp\stub.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/2/2013 4:00:00 PM

Valid to:
4/3/2016 4:59:59 PM

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 7:31:20 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
1536:LdZEszWriITJGrvopX1VF7CXjl7yBCWG906w+XrcPIL9AJK108Zt:4szWOITsEL50jl7yBCWGZcPIp/108Zt

Entry address:
0x3415

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, 70, 85, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, B3, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, B2, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 6C, 85, 40, 00, FF, 15, 80, 81, 40, 00, 68, 54, 85, 40, 00, 68, A0, 32, 47, 00, E8, 35, 26, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, A0, C0, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.4575

Packer / compiler:
Nullsoft install system v2.x

Code size:
26 KB (26,624 bytes)

The file stub.exe has been seen being distributed by the following 50 URLs.

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=93&ctid=ct3153924&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=59&ctid=ct3279418&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=94&ctid=ct3311339&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=94&ctid=ct3215747&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=85&ctid=ct3292715&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=27&ctid=ct3318151&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=26&ctid=ct3288691&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=24&ctid=ct3282698&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=4&ctid=ct3266648&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=86&ctid=ct3314245&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=21&ctid=ct3318151&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=31&ctid=ct3318151&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=76&ctid=ct3288691&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=7&ctid=ct3289075&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=33&ctid=ct3215747&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=85&ctid=ct1425416&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=15&ctid=ct3318151&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=24&ctid=ct3312330&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=88&ctid=ct3287802&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=1&ctid=ct3289075&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=88&ctid=ct3312807&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=66&ctid=ct3279414&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=22&ctid=ct3312806&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=97&ctid=ct3317940&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=80&ctid=ct3225826&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=3&ctid=ct3225826&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=71&ctid=ct3225826&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=79&ctid=ct3153924&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=41&ctid=ct3282698&ministubversion=6.0.2.0

http://toolbarstubdownload.conduit-services.com/.../ToolbarStubDownload?TestGroupID=72&ctid=ct3317893&ministubversion=6.0.2.0

Latest 30 of 439 download URLs

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

TCP (HTTP):
Connects to a23-55-227-151.deploy.static.akamaitechnologies.com  (23.55.227.151:80)

TCP (HTTP):
Connects to a23-55-227-136.deploy.static.akamaitechnologies.com  (23.55.227.136:80)

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