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roundworld.purbrowse64.exe

Round World

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application roundworld.purbrowse64.exe by Round World has been detected as adware by 16 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:
f2d84b441860ab6b6a34813881109227

SHA-1:
df9422b9fe34d33aa33d8125629e751bc4124f47

SHA-256:
53fd291aefa268f5f76d6fc032838dc3be225155f98e3d0b133970794b2da186

Scanner detections:
16 / 68

Status:
Adware

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

Analysis date:
4/24/2024 1:22:02 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.214.34

avast!
Win64:BrowseFox-A [PUP]
2014.9-150305

AVG
Generic
2016.0.3179

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.1535

Bkav FE
W64.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Swiftbrowse-1100
0.98/21511

Dr.Web
Trojan.Yontoo.1734
9.0.1.064

ESET NOD32
Win64/BrowseFox.A potentially unwanted application
9.7.0.302.0

F-Prot
W64/S-07ff9deb
v6.4.7.1.166

herdProtect (fuzzy)
variant of megabrowse.purbrowse64.exe (Adware)
2015.6.12.15

IKARUS anti.virus
AdWare.BrowseFox
t3scan.1.8.6.0

McAfee
Program.BrowseFox-FUU
5600.6835

Reason Heuristics
PUP.Yontoo
15.3.5.23

VIPRE Antivirus
Threat.4741131
38552

Zillya! Antivirus
Adware.Agent.Win32.47380
2.0.0.2119

File size:
345.2 KB (353,520 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\round world\bin\roundworld.purbrowse64.exe

Digital Signature
Signed by:
Round World

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 7:00:00 AM

Valid to:
1/12/2016 6:59:59 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

File PE Metadata
Compilation timestamp:
3/6/2015 5:32:10 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:If7PDQ5LmCmlY5r4m8FYREIIYnTqGn6QTahLoRzUXcn97Y+TBZUUOT9a:IzPDQ5qarx8FTYmGhl7Y+TbUm

Entry address:
0x25840

Entry point:
48, 83, EC, 28, E8, 77, 94, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 4C, 8D, 0D, F5, AD, 02, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, DB, 5E, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, 07, AF, 02, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Entropy:
6.2935

Code size:
233 KB (238,592 bytes)

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