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laflurlabho.dll

Laflurla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module laflurlabho.dll by Laflurla has been detected as adware by 23 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘Laflurla’. 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:
Laflurla  (signed and verified)

Product:
Laflurla

Version:
1.0.0.3

MD5:
65f08d319a6cbbe93d86d005f0cb45fc

SHA-1:
3699cf931f3d89449d1a591682e19b3f9cb3c86c

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/25/2024 11:22:46 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.144.168

AVG
MalSign.Generic
2015.0.3479

Baidu Antivirus
Adware.Win32.Agent
4.0.3.1459

Comodo Security
Application.Win32.Altbrowse.AK
18146

Dr.Web
Trojan.BPlug.28
9.0.1.0129

ESET NOD32
Win32/BrowseFox (variant)
8.9704

Fortinet FortiGate
Adware/Agent
5/9/2014

G Data
Win32.Application.BrowseFox
14.5.24

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11833

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3891

Malwarebytes
PUP.Optional.Laflurla.A
v2014.05.09.05

McAfee
Artemis!D48B54C91F5A
5600.7135

NANO AntiVirus
Riskware.Win32.Agent.cuenda
0.28.0.59492

Quick Heal
AdWare.Agent.r5 (Not a Virus)
5.14.12.00

Reason Heuristics
Adware.Yontoo.Laflurla.L
14.5.9.17

Sophos
Generic PUA EJ
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10616

Trend Micro House Call
TROJ_GEN.F47V0327
7.2.129

Vba32 AntiVirus
AdWare.Agent
3.12.26.0

VIPRE Antivirus
Yontoo
28484

Zillya! Antivirus
Adware.Agent.Win32.9009
2.0.0.1783

File size:
243.8 KB (249,632 bytes)

Product version:
1.0.0.3

Copyright:
(c) Laflurla. All rights reserved.

Original file name:
LaflurlaIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\laflurla\laflurlabho.dll

Digital Signature
Signed by:
Laflurla

Authority:
VeriSign, Inc.

Valid from:
2/3/2014 7:00:00 PM

Valid to:
2/4/2015 6:59:59 PM

Subject:
CN=Laflurla, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Laflurla, L=Santa Monica, 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:
0541E25DBE69A2BC84C39AB35093A301

Registration
CLSID:
{b4a89cd3-c5f5-49c4-abcf-5f26d636476f}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
4/26/2014 9:59:30 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:N7w3txaAf0ZP0Thn+BClmD5pVM21m+2IIaIU8ncrpI7:N7w6ZQd+nuJIIjc1I7

Entry address:
0x12844

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, 20, 2D, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 04, 68, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 7C, A1, 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:
6.3661

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
Laflurla

CLSID:
{b4a89cd3-c5f5-49c4-abcf-5f26d636476f}


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