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serialtruncbho.dll

SerialTrunc

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module serialtruncbho.dll by SerialTrunc has been detected as adware by 24 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘SerialTrunc’. 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:
SerialTrunc  (signed and verified)

Product:
SerialTrunc

Version:
1.0.0.3

MD5:
0209b445a1517863475b46dc4c2408e9

SHA-1:
775f0aeb1f1a70ce4bfd138c7669f729e6e1f67c

SHA-256:
d96534ebe639e14e764e94131c8460f4f6865e0c7177c509fa1f3783f05d1c47

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/25/2024 6:18:47 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.147.26

avast!
Win32:PUP-gen [PUP]
2014.9-140922

AVG
Adware BrowseFox.F
2014.0.4025

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14922

Comodo Security
Application.Win32.Altbrowse.AK
17675

Dr.Web
Trojan.BPlug.167
9.0.1.05190

ESET NOD32
Win32/BrowseFox.O potentially unwanted application
7.0.302.0

Fortinet FortiGate
Adware/Agent
9/22/2014

G Data
Win32.Application.BrowseFox
14.9.24

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.2.2.29

K7 AntiVirus
Unwanted-Program
13.177.11965

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3212

Malwarebytes
PUP.Optional.SerialTrunc.A
v2014.09.22.02

McAfee
Artemis!2C925CBFBEFD
5600.6999

NANO AntiVirus
Riskware.Win32.Agent.cqvnby
0.28.0.57380

Quick Heal
AdWare.Agent.r5 (Not a Virus)
9.14.14.00

Reason Heuristics
Adware.Yontoo.BHO.O
14.9.22.14

Sophos
Generic PUA IB
4.97

SUPERAntiSpyware
Adware.BrowseFox/Variant
10344

Trend Micro House Call
TROJ_GEN.F47V0120
7.2.265

Vba32 AntiVirus
AdWare.Agent
3.12.24.3

VIPRE Antivirus
Yontoo
28844

Zillya! Antivirus
Adware.Agent.Win32.9039
2.0.0.1777

File size:
244.8 KB (250,656 bytes)

Product version:
1.0.0.3

Copyright:
(c) SerialTrunc. All rights reserved.

Original file name:
SerialTruncIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\serialtrunc\serialtruncbho.dll

Digital Signature
Signed by:
SerialTrunc

Authority:
VeriSign, Inc.

Valid from:
1/3/2014 2:00:00 AM

Valid to:
1/4/2015 1:59:59 AM

Subject:
CN=SerialTrunc, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SerialTrunc, 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:
167D55FA84ED98E4D7F5933FEC5E95BA

Registration
CLSID:
{e76b4f24-4a2f-4e65-ad36-e2aa934e547c}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
9/12/2014 4:50:09 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:ea6o+qgT0H83Z2qJC0SzNDHz44Gd15+EaxIaID00WNzIDK:edqgT0c3BCRmcxIgPNzIDK

Entry address:
0x12854

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 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, 90, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 44, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 1C, A5, 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:
6.3537

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
SerialTrunc

CLSID:
{e76b4f24-4a2f-4e65-ad36-e2aa934e547c}


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