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checktbexist.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 checktbexist.exe by Conduit has been detected as a potentially unwanted program by 8 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 storage.conduit.com. While running, it connects to the Internet address cms.distributionengine.conduit-services.com on port 80 using the HTTP protocol.
Publisher:
Conduit  (signed by Conduit Ltd.)

Version:
2.0.0.1

MD5:
9eab97885595799488d678a38bbfec99

SHA-1:
61e4d8ebedd3955fb85d876d0e2984185024983b

SHA-256:
16e68ede0fcb9e64ccf436c745f99dce1f137532ef9eaa62e3f200038bd66921

Scanner detections:
8 / 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:
11/14/2024 2:34:53 AM UTC  (today)

Scan engine
Detection
Engine version

Boost by Reason
Adware.Conduit.M
2013.7.26.17

Dr.Web
Adware.Conduit.30
9.0.1.042

ESET NOD32
Win32/Toolbar.Conduit
8.9400

herdProtect (fuzzy)
variant of conduitinstaller.exe (Adware)
2013.12.20.15

Malwarebytes
PUP.Optional.Conduit.A
v2013.11.25.01

Panda Antivirus
Adware/Conduit
14.02.11.11

Reason Heuristics
PUP.Conduit.M
14.8.7.22

VIPRE Antivirus
Conduit
24060

File size:
201.1 KB (205,888 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\checktbexist.exe

Digital Signature
Signed by:
Conduit Ltd.

Authority:
VeriSign, Inc.

Valid from:
2/16/2010 4:00:00 PM

Valid to:
3/29/2013 4:59:59 PM

Subject:
CN=Conduit Ltd., OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Conduit Ltd., S=Israel, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3736DA15AF647632CCE61CD41B6577DD

File PE Metadata
Compilation timestamp:
12/5/2009 2:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:uFJ0EjeZdazTH6N0tkl3KKJDvQQ9+AAD6aOOU:+jIdafO0Md2eaOOU

Entry address:
0x30FA

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, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8857

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file checktbexist.exe has been seen being distributed by the following URL.

http://storage.conduit.com/ps/.../checktbexist.exe

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

TCP (HTTP):
Connects to ude.conduit-data.com  (195.78.120.173:80)

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

 
http://offering.service.distributionengine.conduit-services.com/DecisionEngine.ashx

TCP (HTTP):
Connects to cms.distributionengine.conduit-services.com  (54.243.251.51:80)

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