home

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’. 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 and multiple other hosts.
Publisher:
Round World  (signed and verified)

Product:
Round World

Version:
1.0.0.7

MD5:
65435d37ee8986ca700f4fabf99e0547

SHA-1:
ba227d685e382fc15cde8696fbfd46c217319781

SHA-256:
23884526c83907ad8c282a7a473e9535f858b856edab7d6c98731bde47faf71d

Scanner detections:
38 / 68

Status:
Adware

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

Analysis date:
4/27/2024 2:55:44 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BJ
718

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Adware/Win32.BrowseFox
2015.01.27

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.205.116

avast!
Win32:BrowseFox-DZ [PUP]
2014.9-150216

AVG
BrowseFox.F
2016.0.3196

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15216

Bitdefender
Adware.BrowseFox.BJ
1.0.20.235

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
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.BJ
8.15.02.16.12

ESET NOD32
Win32/BrowseFox.AE potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/BrowseFox
2/16/2015

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

F-Secure
Adware.BrowseFox.BJ
11.2015-16-02_2

G Data
Adware.BrowseFox.BJ
15.2.25

IKARUS anti.virus
AdWare.BrowseFox
t3scan.1.8.6.0

K7 AntiVirus
Trojan
13.192.14761

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.2477

Malwarebytes
PUP.Optional.JumpFlip.A
v2015.02.16.12

McAfee
BrowseFox
5600.6852

MicroWorld eScan
Adware.BrowseFox.BJ
16.0.0.141

NANO AntiVirus
Trojan.Win32.BPlug.dfogbn
0.30.0.64812

Norman
Gen:Variant.Adware.BetterBrowse.1
11.20150216

nProtect
Adware.BrowseFox.BJ
15.01.26.01

Panda Antivirus
Trj/CI.A
15.02.16.12

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
23.00.65.15214

Sophos
Generic PUA EG
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10050

Trend Micro House Call
TROJ_GEN.F0C2C00LH14
7.2.47

Trend Micro
TROJ_GEN.F0C2C00LH14
10.465.16

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)

Language:
English (United States)

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

Digital Signature
Signed by:
Round World

Authority:
VeriSign, Inc.

Valid from:
1/10/2015 4:00:00 PM

Valid to:
1/11/2016 3:59:59 PM

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:
2/15/2015 2:27:52 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:/yq7vzkKELk3SVaUs0FHxB+V9l63gY+GzGcEG+ZKTkRKaHdXJcEh14:/yq7v44SVcYHBth+Z5p+w14

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:
6.0731

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 2 URLs.

http://install-cdn.myroundworld.com/bed?r=2015021612&bet=3

http://install-cdn.myroundworld.com/bed?r=2015021617&bet=3

Remove roundworldbho.dll - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.