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HoldPage.BRT.dll

middle pages

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module HoldPage.BRT.dll by middle pages has been detected as adware by 24 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:
middle pages  (signed and verified)

Version:
1.0.5485.6526

MD5:
25133fd727b32c6bf74697c9ea23d320

SHA-1:
5ce43a4f6887f0a542a341c8f49a8dd2ab1f5cca

SHA-256:
a21388fb21822a61f92263c1364d7a1de10d745c4528d8933d72eb7c12192963

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/24/2024 9:50:54 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.AL
6505014

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.206.68

AVG
Generic
2016.0.3212

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.1521

Bitdefender
Adware.BrowseFox.AL
1.0.20.160

Comodo Security
Application.MSIL.BrowseFox.A
20920

Dr.Web
Trojan.BPlug.230
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.AL
9.0.0.4799

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

F-Prot
W32/S-a52cfee5
v6.4.7.1.166

F-Secure
Adware.BrowseFox.AL
5.13.68

G Data
Adware.BrowseFox.AL
15.2.25

K7 AntiVirus
Adware
13.193.14824

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.2554

Malwarebytes
PUP.Optional.Sanbreel.A
v2015.02.01.05

McAfee
Program.BrowseFox.a
16.8.708.2

MicroWorld eScan
Adware.BrowseFox.AL
16.0.0.96

NANO AntiVirus
Riskware.Win32.BPlug.djpkri
0.30.0.65070

nProtect
Adware.BrowseFox.AL
15.01.30.01

Qihoo 360 Security
HEUR/QVM23.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.2.1.5

Trend Micro House Call
TROJ_GEN.R0C1C0PA715
7.2.32

Trend Micro
TROJ_GEN.R0C1C0PA715
10.465.01

VIPRE Antivirus
Threat.4741131
36694

File size:
2.1 MB (2,247,408 bytes)

Product version:
1.0.5485.6526

Original file name:
HoldPage.BRT.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\hold page\bin\plugins\holdpage.brt.dll

Digital Signature
Signed by:
middle pages

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 1:00:00 AM

Valid to:
10/3/2015 12:59:59 AM

Subject:
CN=middle pages, O=middle pages, 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:
01FD540333A96486522A2EDFD3C2E0B3

File PE Metadata
Compilation timestamp:
1/7/2015 3:37:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:3bTKOcUPOfMqc6LSiOeMpLzxP0gIIFllH:3bTKfUGf32ik3fIILlH

Entry address:
0x224806

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.8645

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
2.1 MB (2,238,976 bytes)

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