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Laflurla.FirstRun.exe

FirstRun

Laflurla

The Yontoo branded FirstRun executable is distributed as part of a Yontoo product bundle and is desigend to install components of this ad-supported (injection) program as well as 'call home' to inform the server that the extension was installed and may request additional instructions. The application Laflurla.FirstRun.exe by Laflurla has been detected as adware by 20 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:
Laflurla  (signed and verified)

Product:
FirstRun

Version:
1.0.0.0

MD5:
af1564e71a2141d8722d958bb529662e

SHA-1:
09e5dca6858256924aaea02dd15d6cd344318786

SHA-256:
7c028b817918c72ed534fa2717b241bc69bf3fada4efb9f45594a9424e8553ba

Scanner detections:
20 / 68

Status:
Adware

Explanation:
Part of the Yontoo ad injection web browser add-on.

Analysis date:
4/27/2024 12:07:03 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BM
382

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.02.28

Avira AntiVirus
ADWARE/BrowseFox.Gen
7.11.212.228

AVG
Generic
2017.0.2860

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16118

Bitdefender
Adware.BrowseFox.BM
1.0.20.90

Emsisoft Anti-Malware
Adware.BrowseFox.BM
8.16.01.18.06

ESET NOD32
MSIL/BrowseFox.D potentially unwanted application
10.7.0.302.0

F-Prot
W32/S-c5a74904
v6.4.7.1.166

F-Secure
Adware.BrowseFox.BM
11.2016-18-01_2

G Data
Adware.BrowseFox.BM
16.1.25

K7 AntiVirus
Adware
13.1915113

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.796

Malwarebytes
PUP.Optional.Sambreel.A
v2016.01.18.06

McAfee
Program.BrowseFox.a
5600.6516

MicroWorld eScan
Adware.BrowseFox.BM
17.0.0.54

NANO AntiVirus
Riskware.Win32.BPlug.djpkri
0.30.0.296

nProtect
Adware.BrowseFox.BM
15.02.27.01

Reason Heuristics
Adware.Yontoo.Laflurla (M)
16.1.18.18

VIPRE Antivirus
Yontoo
29314

File size:
1.1 MB (1,121,056 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2014

Original file name:
Laflurla.FirstRun.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\laflurla\laflurla.firstrun.exe

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

File PE Metadata
Compilation timestamp:
4/3/2014 9:27:07 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:e0Eb+LWOxsK+ftxYFelsv7lcZya3id7/WhVQxztqtY5ZJx:e0LVuK+RwRcp3aDscTx

Entry address:
0x111796

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, 02, 00, 10, 00, 00, 00, 20, 00...
 
[+]

Entropy:
7.9262

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

Code size:
1.1 MB (1,112,064 bytes)

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