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{1ef6b6c4-69ba-4c38-bf1a-2229f3463a19}

Fralimbo

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {1ef6b6c4-69ba-4c38-bf1a-2229f3463a19} by Fralimbo has been detected as adware by 23 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. 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:
Fralimbo  (signed and verified)

MD5:
5e19c9951ee9f2d8322ba22fce85561a

SHA-1:
40a3ca6509803692aa12c35391093e5b329c9e38

SHA-256:
12efbff58a739fe494d16c9d00de2a05d9b96d3dfb848ce6bfede72e844a0209

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/25/2024 8:30:39 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
722

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
BrowseFox
2016.0.3200

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15212

Bitdefender
Gen:Variant.Adware.SwiftBrowse.1
1.0.20.215

Comodo Security
Application.Win32.Ciorik.RWLZ
19140

Dr.Web
Trojan.BPlug.89
9.0.1.043

Emsisoft Anti-Malware
Gen:Variant.Adware.SwiftBrowse
8.15.02.12.08

ESET NOD32
Win32/BrowseFox
9.10230

Fortinet FortiGate
Riskware/BrowseFox
2/12/2015

F-Secure
Gen:Variant.Adware.SwiftBrowse.1
11.2015-12-02_5

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.6.1.0

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Kranet
14.0.0.2496

Malwarebytes
PUP.Optional.Fralimbo
v2015.02.12.08

McAfee
Artemis!5E19C9951EE9
5600.6856

MicroWorld eScan
Gen:Variant.Adware.SwiftBrowse.1
16.0.0.129

NANO AntiVirus
Trojan.Win32.BPlug.dcnjjv
0.28.2.61349

Reason Heuristics
PUP.Yontoo
15.2.12.20

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15210

Sophos
Generic PUA LB
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10057

Trend Micro House Call
Suspicious_GEN.F47V0805
7.2.43

VIPRE Antivirus
Yontoo
32088

File size:
2 MB (2,138,960 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Digital Signature
Signed by:
Fralimbo

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 12:00:00 AM

Valid to:
11/14/2014 11:59:59 PM

Subject:
CN=Fralimbo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Fralimbo, 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:
4EA4A1919F354306FDA2DA6D760C0CAE

File PE Metadata
Compilation timestamp:
12/5/2009 10:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:nUJdl8DnLcpaz0gWQC56VbGrl5auDKJ+8wHQ3wAnfw82:n7DLccz0hEVbeebJn3wAnfl2

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9975

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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