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dynamocombobho.dll

Dynamo Combo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module dynamocombobho.dll by Dynamo Combo has been detected as adware by 33 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘Dynamo Combo 1.0.0.6’. Additionally, the file is typically installed by a number of programs including Dynamo Combo by Yontoo Technology, Inc. and Buzzdock by Alactro LLC, both potentially unwanted software. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Dynamo Combo  (signed and verified)

Product:
Dynamo Combo

Version:
1.0.0.6

MD5:
a37d3a3601e822643ee095747066b42e

SHA-1:
50c7fa1af5d0d8d116c73739bd433d5d41e8b501

SHA-256:
4d0993cdb642ac66d17ffd8aaceb637a98a95e3f6eb6f9aa3ba7c5bc9d0a4e85

Scanner detections:
33 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
5/8/2024 9:27:47 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.AP
747

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.BrowseFox
2015.01.17

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.202.28

AVG
BrowseFox.F
2016.0.3225

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15118

Bitdefender
Adware.BrowseFox.AP
1.0.20.90

Clam AntiVirus
Win.Adware.Browsefox-172
0.98/21511

Comodo Security
Application.Win32.BrowseFox.JM
20739

Dr.Web
Trojan.BPlug.142
9.0.1.018

Emsisoft Anti-Malware
Adware.BrowseFox.AP
8.15.01.18.04

ESET NOD32
Win32/BrowseFox (variant)
9.11028

Fortinet FortiGate
Riskware/BrowseFox
1/18/2015

F-Prot
W32/S-7bed2e86
v6.4.7.1.166

F-Secure
Adware.BrowseFox.AP
11.2015-18-01_1

G Data
Adware.BrowseFox.AP
15.1.24

K7 AntiVirus
Trojan
13.191.14667

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.2622

Malwarebytes
PUP.Optional.DynamoCombo.A
v2015.01.18.04

McAfee
Artemis!A37D3A3601E8
5600.6881

MicroWorld eScan
Adware.BrowseFox.AP
16.0.0.54

NANO AntiVirus
Trojan.Win32.BPlug.ddwtte
0.30.0.64448

Norman
Adware.BrowseFox.AP
11.20150118

nProtect
Adware.BrowseFox.AP
15.01.16.01

Panda Antivirus
Trj/CI.A
15.01.18.04

Qihoo 360 Security
HEUR/QVM30.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.BHO.Yontoo
15.1.18.16

Sophos
Generic PUA FA
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10108

Trend Micro House Call
Suspicious_GEN.F47V0116
7.2.18

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Yontoo
32026

Zillya! Antivirus
Backdoor.PePatch.Win32.58304
2.0.0.2037

File size:
244.7 KB (250,616 bytes)

Product version:
1.0.0.6

Copyright:
(c) Dynamo Combo. All rights reserved.

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\dynamo combo\dynamocombobho.dll

Digital Signature
Signed by:
Dynamo Combo

Authority:
VeriSign, Inc.

Valid from:
12/16/2014 7:00:00 PM

Valid to:
12/17/2015 6:59:59 PM

Subject:
CN=Dynamo Combo, O=Dynamo Combo, L=Santa Monica, S=California, C=US

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:
14A953D6CFA5311EDEF6756B21556A7A

File PE Metadata
Compilation timestamp:
1/15/2015 3:45:24 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:onZoaLABKWh3vpAC0yBzA3CJSd15+kxIaIEN7vshb:o3LABKU3v2CczxI+7shb

Entry address:
0x12854

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 90, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 24, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 1C, A5, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Entropy:
6.3530

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
Dynamo Combo 1.0.0.6

CLSID:
{986c37a1-7b65-476f-80dc-54f80bd4b0d6}


The file dynamocombobho.dll has been discovered within the following programs.

Buzzdock  by Alactro LLC
This is a web browser extension that injects advertising. From the EULA: "Buzzdock is free to download and use. Buzzdock is supported by advertising, and users will see additional ads on websites where Buzzdock features operate.
www.buzzdock.com/faq-support
79% remove it
Dynamo Combo  by Yontoo Technology, Inc.
This is an adware injector that displays ads/banners in the user's web browser.
dynamocombo.info/support
88% remove it
 
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The file dynamocombobho.dll has been seen being distributed by the following 3 URLs.

http://install-cdn.dynamocombo.info/bed?r=2015011619&bet=3

http://install-cdn.dynamocombo.info/bed?r=2015011609&bet=3

http://install-cdn.dynamocombo.info/bed?r=2015011614&bet=3

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