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utillaflurla.exe

Laflurla

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utillaflurla.exe by Laflurla has been detected as adware by 12 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update 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)

Version:
1.0.5371.28800

MD5:
81b2749bd7771d9420941a259f693c44

SHA-1:
c4bb52d9fc6dc8240d4bfab5a799a35c8b46c8b4

SHA-256:
ba0ac9c7799d0236af9d214d94a8706ed3a5563cef4c64f38e3bfc509990b62e

Scanner detections:
12 / 68

Status:
Adware

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

Analysis date:
4/19/2024 8:00:00 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.173.22

AVG
Generic
2015.0.3305

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141030

Comodo Security
ApplicUnwnt
19547

ESET NOD32
Win32/BrowseFox (variant)
8.10436

Fortinet FortiGate
Riskware/BrowseFox
10/30/2014

Malwarebytes
PUP.Optional.Laflurla.A
v2014.10.30.06

McAfee
Artemis!81B2749BD777
5600.6961

nProtect
Trojan-Clicker/W32.Agent.323360.L
14.09.17.01

Reason Heuristics
Adware.Yontoo.Service.M
14.10.30.18

Sophos
Generic PUA ME
4.98

VIPRE Antivirus
Yontoo
33222

File size:
315.8 KB (323,360 bytes)

Product version:
1.0.5371.28800

Original file name:
Laflurla.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\laflurla\bin\utillaflurla.exe

Digital Signature
Signed by:
Laflurla

Authority:
VeriSign, Inc.

Valid from:
2/3/2014 4:00:00 PM

Valid to:
2/4/2015 3:59:59 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

File PE Metadata
Compilation timestamp:
9/15/2014 10:00:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:yPpfAzPAErAAL90Y7kHkd77Fc+IzML4NQXDieElbXbeNd0kx:yPpfeN2KLxXDiDZKNd0u

Entry address:
0x4EBAA

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, D8, 02, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.0909

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

Code size:
307 KB (314,368 bytes)

Service
Display name:
Update Laflurla

Type:
Win32OwnProcess


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