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dynamocombo.dll

Dynamo Combo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module dynamocombo.dll by Dynamo Combo has been detected as adware by 23 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’. This file is typically installed with the program Dynamo Combo by Yontoo Technology, Inc. which is a potentially unwanted software program. 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:
3f59db73d7c9c6616550cd2084b909bd

SHA-1:
0c0b0df67cb1a0a561418c67e3cef4a1d5c285c2

SHA-256:
e7c5f2f1dbd0a7f0bf07eccccfad7e98a5f6c1b6130e9884bf3bc0167a13e54b

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
5/8/2024 5:12:55 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.AP
749

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
2016.0.3227

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15117

Bitdefender
Adware.BrowseFox.AP
1.0.20.85

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

Comodo Security
Application.Win32.BrowseFox.JM
20736

Dr.Web
Trojan.BPlug.142
9.0.1.017

Emsisoft Anti-Malware
Adware.BrowseFox.AP
8.15.01.17.06

ESET NOD32
Win32/BrowseFox (variant)
9.11028

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

F-Secure
Adware.BrowseFox.AP
11.2015-17-01_7

G Data
Adware.BrowseFox.AP
15.1.24

K7 AntiVirus
Trojan
13.191.14667

Malwarebytes
PUP.Optional.DynamoCombo.A
v2015.01.17.06

MicroWorld eScan
Adware.BrowseFox.AP
16.0.0.51

NANO AntiVirus
Trojan.Win32.BPlug.ddwtte
0.30.0.64448

nProtect
Adware.BrowseFox.AP
15.01.16.01

Reason Heuristics
PUP.BHO.Yontoo
15.1.17.6

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

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:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\mv7f4ifi\dynamocombo.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:
1/16/2015 4:45:52 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:TnZoaLABKWh3vpAC0yBzA3CJSd15+kxIaIHN7vvhR:T3LABKU3v2CczxIt7vhR

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:
6.3528

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 dynamocombo.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 dynamocombo.dll has been seen being distributed by the following 5 URLs.

http://install-cdn.dynamocombo.info/bed?r=2015011710&bet=3

http://install-cdn.dynamocombo.info/bed?r=2015011720&bet=3

http://install-cdn.dynamocombo.info/bed?r=2015011715&bet=3

http://install-cdn.dynamocombo.info/bed?r=2015011705&bet=3

http://install-cdn.dynamocombo.info/bed?r=2015011700&bet=3

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