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tb_worldoctors.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 tb_worldoctors.exe by Conduit has been detected as a potentially unwanted program by 9 anti-malware scanners. The program is a setup application that uses the Conduit Setup Manager installer. The file has been seen being downloaded from worldoctors.ourtoolbar.com. While running, it connects to the Internet address cms.distributionengine.conduit-services.com on port 80 using the HTTP protocol.
Publisher:
Conduit Ltd.  (signed and verified)

MD5:
f3ef6df09830ca3b89ab938b34c42898

SHA-1:
32ffb522e4f7b3e4ded7b36c5b3a35a71649ee29

SHA-256:
7549dcc141660a0610602d8256400f58eac7c4c8d86b3b7f5c9d277777d295e4

Scanner detections:
9 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/27/2024 12:33:42 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.Conduit Ltd
2015.0.3511

Dr.Web
Adware.Conduit.6
9.0.1.097

ESET NOD32
Win32/OpenCandy
8.9647

Malwarebytes
PUP.Optional.Conduit.A
v2014.04.07.03

Panda Antivirus
PUP/Conduit.A
14.04.07.03

Reason Heuristics
PUP.Conduit.O
14.8.7.22

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14405

SUPERAntiSpyware
Adware.Conduit/Variant
10680

VIPRE Antivirus
Conduit
28115

File size:
1 MB (1,093,680 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\tb_worldoctors.exe

Digital Signature
Signed by:
Conduit Ltd.

Authority:
VeriSign, Inc.

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

Valid to:
4/4/2016 1:59:59 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:
2/24/2012 8:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:HE/tH2kZBL9JMbIbD6vhUq1DJ3UDet45/NPaB/oVyKcDsxST:atW49zb3k/t4yLzDDT

Entry address:
0x39E3

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, 91, 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, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

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

http://worldoctors.ourtoolbar.com/.../?sourceid=3&bannertypeid=8&bannerName=Top_Slider&bannerculture=en

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

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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