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237a87b5881c4fd8b80a.dll

Round World

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 237a87b5881c4fd8b80a.dll by Round World has been detected as adware by 31 anti-malware scanners. 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)

MD5:
546027ddeab0ad5467166839bc4b5de3

SHA-1:
f72bcc393089dff8d031cfca01b673b13bc125a2

SHA-256:
6b030c08f82141e2e208d58cc97e7ffcebe6481ba75bc5f6497b557192b483c5

Scanner detections:
31 / 68

Status:
Adware

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

Analysis date:
5/1/2024 10:13:59 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.CT
671

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.04.05

Avira AntiVirus
ADWARE/BrowseFox.Gen7
3.6.1.96

avast!
MSIL:BrowseFox-AF [PUP]
2014.9-150405

AVG
Adware AdPlugin
2016.0.3149

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1545

Bitdefender
Gen:Variant.Adware.Graftor.173094
1.0.20.475

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Browsefox-220
0.98/20551

Comodo Security
Application.Win32.AltBrowse.OABP
21660

Dr.Web
Trojan.Yontoo.1734
9.0.1.095

Emsisoft Anti-Malware
Adware.BrowseFox.CT
8.15.04.05.11

ESET NOD32
Win32/BrowseFox.N potentially unwanted application
9.7.0.302.0

F-Prot
W32/S-de5f2e52
v6.4.7.1.166

F-Secure
Adware.BrowseFox.CT
11.2015-05-04_1

G Data
Gen:Variant.Adware.Graftor.173094
15.4.25

herdProtect (fuzzy)
variant of fa1ba83247a041bc8a9e.dll (Adware)
2015.7.9.9

K7 AntiVirus
Trojan
13.202.15452

McAfee
Program.BrowseFox-FWV
5600.6805

NANO AntiVirus
Trojan.Win32.BPlug.dmjozr
0.30.8.659

Norman
Adware.BrowseFox.CT
11.20150709

Panda Antivirus
PUP/BrowseFox
15.04.05.11

Quick Heal
PUA.MSJDGBTIR.OD5
4.15.14.00

Reason Heuristics
PUP.Yontoo
15.4.5.11

Rising Antivirus
PE:Malware.BrowseFox!6.1AFA
23.00.65.15403

Trend Micro House Call
TROJ_GEN.R0C1C0PD515
7.2.95

Trend Micro
TROJ_GEN.R0C1C0PD515
10.465.05

Vba32 AntiVirus
AdWare.Win64.Kranet
3.12.26.3

VIPRE Antivirus
Threat.4150696
40828

Zillya! Antivirus
Adware.Agent.Win32.38120
2.0.0.2124

File size:
192.7 KB (197,360 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\round world\bin\237a87b5881c4fd8b80a.dll

Digital Signature
Signed by:
Round World

Authority:
VeriSign, Inc.

Valid from:
1/10/2015 7:00:00 PM

Valid to:
1/11/2016 6:59:59 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

File PE Metadata
Compilation timestamp:
1/11/2015 6:50:50 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:GNbpOnPsGqQTruHLD7RcQxKrrdNU0VAtrOpOOWxOv4Kn7qbjx7T/HrmWG:GNbqaLD7RcukVAtSQOWcgWqbV77LmWG

Entry address:
0x115D2

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 0C, 91, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 9C, 53, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 34, 50, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64...
 
[+]

Entropy:
6.5644

Code size:
143.5 KB (146,944 bytes)

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