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roundworldbho.dll

Round World

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module roundworldbho.dll by Round World has been detected as adware by 38 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘Round World 1.0.0.7’. This file is typically installed with the program Round World 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:
Round World  (signed and verified)

Product:
Round World

Version:
1.0.0.7

MD5:
7254fa697cea245ca5fab5ee204b2e4b

SHA-1:
72e95b9f64f7d09f6d289760a18c1d976a42551c

SHA-256:
4610278f8be927289a05db60344b39efa5c447aed3727a77edc13f482cfd373f

Scanner detections:
38 / 68

Status:
Adware

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

Analysis date:
4/27/2024 10:31:30 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BJ
714

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.BrowseFox
2015.01.27

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.211.180

avast!
Win32:BrowseFox-DZ [PUP]
2014.9-150220

AVG
Generic
2016.0.3192

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15220

Bitdefender
Adware.BrowseFox.BJ
1.0.20.255

Bkav FE
W32.HfsAdware
1.3.0.6379

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

Comodo Security
Application.Win32.BrowseFox.JM
20860

Dr.Web
Trojan.Yontoo.1016
9.0.1.051

Emsisoft Anti-Malware
Adware.BrowseFox.BJ
8.15.02.20.12

ESET NOD32
Win32/BrowseFox.AE potentially unwanted (variant)
9.11207

Fortinet FortiGate
Riskware/BrowseFox
2/20/2015

F-Prot
W32/S-304afd20
v6.4.7.1.166

F-Secure
Adware.BrowseFox.BJ
11.2015-20-02_6

G Data
Adware.BrowseFox.BJ
15.2.25

IKARUS anti.virus
AdWare.BrowseFox
t3scan.1.8.6.0

K7 AntiVirus
Unwanted-Program
13.197.15035

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.2457

Malwarebytes
PUP.Optional.RoundWorld.A
v2015.02.20.12

McAfee
BrowseFox
5600.6848

MicroWorld eScan
Adware.BrowseFox.BJ
16.0.0.153

NANO AntiVirus
Trojan.Win32.Yontoo.dnkubo
0.30.0.296

Norman
Gen:Variant.Adware.BetterBrowse.1
11.20150220

nProtect
Adware.BrowseFox.BJ
15.01.26.01

Panda Antivirus
Trj/CI.A
15.02.20.12

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

Reason Heuristics
PUP.BHO.Yontoo
15.3.1.12

Rising Antivirus
PE:Trojan.Win32.Generic.17D5649F!399860895
23.00.65.15218

Sophos
Generic PUA EG
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10042

Trend Micro House Call
TROJ_GEN.F0C2C00LH14
7.2.51

Trend Micro
TROJ_GEN.F0C2C00LH14
10.465.20

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Yontoo
37004

Zillya! Antivirus
Backdoor.PePatch.Win32.58304
2.0.0.2033

File size:
262.7 KB (269,040 bytes)

Product version:
1.0.0.7

Copyright:
(c) Round World. All rights reserved.

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\round world\roundworldbho.dll

Digital Signature
Signed by:
Round World

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 3:00:00 AM

Valid to:
1/12/2016 2:59:59 AM

Subject:
CN=Round World, O=Round World, L=San Diego, 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:
1E6F69E3F386155D988683D665483D02

Registration
CLSID:
{78549bde-b964-4d2a-b7b1-c4ac15ddff64}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
2/20/2015 7:28:49 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:Vyq7vzkKELk3SVaUs0FHxB+V9l63gY+GzGcEG+ZKTaRKaHdXKcEh9O:Vyq7v44SVcYHBth+ZbpJw9O

Entry address:
0xF515

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, EA, 7E, 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, C8, 21, 03, 10, E8, 4C, 02, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 4C, 77, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, C4, 93, 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:
6.0730

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
Round World 1.0.0.7

CLSID:
{78549bde-b964-4d2a-b7b1-c4ac15ddff64}


The file roundworldbho.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
Round World  by Yontoo Technology, Inc.
Round World is an adware program that installs as a web browser plugin to inject and display advertisements.
myroundworld.com/support
81% remove it
 
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The file roundworldbho.dll has been seen being distributed by the following 2 URLs.

http://install-cdn.myroundworld.com/bed?r=2015022011&bet=3

http://install-cdn.myroundworld.com/bed?r=2015022016&bet=3

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