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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 39 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’. 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. The file has been seen being downloaded from install-cdn.myroundworld.com.
Publisher:
Round World  (signed and verified)

Product:
Round World

Version:
1.0.0.7

MD5:
d1e1597d11ba0b1e0194889a33888e71

SHA-1:
634d933dbf293b33be80cf3d5cd24b01d5282b04

SHA-256:
07500ab7ae726d526a5ab786d99995e37623751c90ed27c043b65d5a6e7a4713

Scanner detections:
39 / 68

Status:
Adware

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

Analysis date:
4/27/2024 10:32:31 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.CS
612

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.06.02

Avira AntiVirus
ADWARE/BrowseFox.Gen2
8.3.1.6

avast!
MSIL:BrowseFox-AF [PUP]
2014.9-150602

AVG
AdPlugin
2016.0.3090

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1562

Bitdefender
Adware.BrowseFox.CS
1.0.20.765

Bkav FE
W32.BrowseFoxAC.Adware
1.3.0.6379

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

Comodo Security
ApplicUnwnt
22312

Dr.Web
Trojan.Yontoo.1734
9.0.1.0153

Emsisoft Anti-Malware
Adware.BrowseFox.CS
8.15.06.02.05

ESET NOD32
Win32/BrowseFox.AE potentially unwanted (variant)
9.11719

Fortinet FortiGate
Riskware/BrowseFox
6/2/2015

F-Prot
W32/S-f64f6ec1
v6.4.7.1.166

F-Secure
Adware.BrowseFox.CS
11.2015-02-06_3

G Data
Adware.BrowseFox.CS
15.6.25

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.9.2.0

K7 AntiVirus
Trojan
13.204.16103

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.1946

Malwarebytes
PUP.Optional.JumpFlip.A
v2015.06.02.05

McAfee
Artemis!D1E1597D11BA
5600.6746

MicroWorld eScan
Adware.BrowseFox.CS
16.0.0.459

NANO AntiVirus
Trojan.Win32.Yontoo.dnkubo
0.30.24.1636

Norman
Gen:Variant.Adware.BetterBrowse.1
11.20150602

nProtect
Adware.BrowseFox.CS
15.06.01.01

Panda Antivirus
Trj/CI.A
15.06.02.05

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

Quick Heal
PUA.MSJDGBTIR.OD5
6.15.14.00

Reason Heuristics
PUP.Yontoo.RoundWorld
15.6.2.17

Rising Antivirus
PE:Adware.BrowseFox!6.1D8B
23.00.65.15531

Sophos
Generic PUA GD
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9838

Trend Micro House Call
TROJ_GEN.R00UC0OBR15
7.2.153

Trend Micro
TROJ_GEN.R00UC0OBR15
10.465.02

Vba32 AntiVirus
AdWare.MSIL.Agent
3.12.26.4

VIPRE Antivirus
Yontoo
40762

Zillya! Antivirus
Adware.Agent.Win32.59113
2.0.0.2200

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)

Language:
English (United States)

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

Digital Signature
Signed by:
Round World

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 2:00:00 AM

Valid to:
1/12/2016 1:59:59 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:
2/19/2015 4:31:41 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:Byq7vzkKELk3SVaUs0FHxB+V9l63gY+GzGcEG+ZKTxRKaHdX7AcEhh0:Byq7v44SVcYHBth+Zupjwh0

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:
6.0728

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 seen being distributed by the following URL.

http://install-cdn.myroundworld.com/bed?r=2015021915&bet=3

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