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bringstar.purbrowse.exe

BringStar

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application bringstar.purbrowse.exe by BringStar has been detected as adware by 13 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:
BringStar  (signed and verified)

MD5:
0bb83700adcbf08c211ff01fffe2b17d

SHA-1:
c59efac0a5d2b25489d606280918769e90f6301f

SHA-256:
e4720eec53c3bc4be327fb25ac6d1af763afed1caf3a2d0f79b2194d142716c1

Scanner detections:
13 / 68

Status:
Adware

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

Analysis date:
4/16/2024 7:30:50 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.10.25

Avira AntiVirus
Adware/Kranet.296176
7.11.181.44

AVG
Brista
2015.0.3311

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141024

Clam AntiVirus
Win.Adware.Agent-23857
0.98/21411

Dr.Web
Trojan.BPlug.303
9.0.1.05190

ESET NOD32
Win32/BrowseFox.J potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Kranet
14.0.0.3051

NANO AntiVirus
Riskware.Win32.Kranet.dgxoam
0.28.2.62841

Reason Heuristics
PUP.BringStar.S
14.10.24.20

Sophos
Browse Fox
4.98

VIPRE Antivirus
Yontoo
34220

File size:
289.3 KB (296,224 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\bringstar\bin\bringstar.purbrowse.exe

Digital Signature
Signed by:
BringStar

Authority:
VeriSign, Inc.

Valid from:
1/8/2014 4:00:00 PM

Valid to:
1/9/2015 3:59:59 PM

Subject:
CN=BringStar, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BringStar, 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:
0690B649CE1A1DFAAC570B0AAE6E5D30

File PE Metadata
Compilation timestamp:
10/16/2014 4:40:49 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:Ld0mn/R7xVtDLJJtYd1RSWttvcTB5Qbqli:50mn/R7NDLJJtYd1RSWttvcTrV8

Entry address:
0x213AE

Entry point:
E8, 55, 84, 00, 00, E9, 95, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 88, 34, 44, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 8C, 34, 44, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, 04, 52, 00, 00, 85, C0, 75, 06, B8, F0, 35, 44, 00, C3, 83, C0, 08, C3, E8, F1, 51, 00, 00, 85, C0, 75, 06, B8, F4, 35, 44, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Entropy:
6.6037

Code size:
210.5 KB (215,552 bytes)

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