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bs.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 bs.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 www.bsplayer.com and multiple other hosts. 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:
258a2c17ac97d90d7188284daa7d7c58

SHA-1:
44891a92ed32260e79ea9516c8ef41b7f9cef28b

SHA-256:
82fd08364c63b52114e3f62484f155f08b1ebb84217349febd44ba54b526e157

Scanner detections:
8 / 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:
4/19/2024 8:50:17 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Conduit.6
9.0.1.034

ESET NOD32
Win32/OpenCandy
8.9374

Malwarebytes
PUP.Optional.Conduit.A
v2014.02.03.10

Panda Antivirus
Adware/Conduit
14.02.03.10

Reason Heuristics
PUP.Conduit.C
14.8.7.22

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14201

Trend Micro House Call
TROJ_GEN.F47V0904
7.2.34

VIPRE Antivirus
Conduit
26094

File size:
1.1 MB (1,109,392 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\temp\bs.exe

Digital Signature
Signed by:
Conduit Ltd.

Authority:
VeriSign, Inc.

Valid from:
1/3/2013 12:00:00 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:
2/24/2012 7:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:rztjsXIbo2eD6L6Q68Dzl/vi+eefr0h5L6lLd7EV1TdmndJhXB7:3psp2IXQ6azl/viHmojGSV1wnvpB7

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 bs.exe has been seen being distributed by the following 7 URLs.

http://www.bsplayer.com/.../download-free.html

http://download6.bsplayer.com/download_free_bsplayer.php?type=1

http://download10.bsplayer.com/download_free_bsplayer.php?type=1

http://www.bsplayer.com/.../downlad-free-bsplayer.php?type=1

http://download2.bsplayer.com/download_free_bsplayer.php?type=1

http://download7.bsplayer.com/download_free_bsplayer.php?type=1

http://www.bsplayer.com/.../download-free.html

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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