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lafbqi0k.exe

Somoto Ltd.

Somoto uses a monetization platform known as the 'Better Installer' to provide the ability of 3rd party developers to bundle various adware packages through an affiliate pay-per-install program. The file lafbqi0k.exe by Somoto has been detected as adware by 30 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. Includes the Somoto BetterInstaller, an adware installer that will bundle offers for additional third party applications, mostly adware toolbars, with legitimate softare and may be installed without adequate user consent.
Publisher:
Somoto Ltd.  (signed and verified)

MD5:
3f17a26bb357ab325dcc96947482124c

SHA-1:
06ae5c00a994e3746d5af2e4ff7b7d956a52b7cb

SHA-256:
152a639722b8c87d555a888078b039406b68734eeddd7c1f9358f2b3d3a5f3b4

Scanner detections:
30 / 68

Status:
Adware

Explanation:
Uses the Somoto 'BetterInstaller' to bundle additional (unwanted) software during install without adequate consent.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/26/2024 10:19:57 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.J
6196279

AhnLab V3 Security
Win-PUP/Somoto
2014.12.19

Avira AntiVirus
APPL/Somoto.Gen2
7.11.196.174

avast!
Somoto-R [PUP]
141214-1

AVG
Generic
2015.0.3256

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.141219

Bitdefender
Application.Bundler.Somoto.J
1.0.20.1765

Bkav FE
HW32.Packed
1.3.0.6267

Clam AntiVirus
Win.Adware.Somoto
0.98/19805

Comodo Security
Application.Win32.Somoto.CK
20412

Dr.Web
Trojan.Packed.28357
9.0.1.05190

Emsisoft Anti-Malware
Application.Bundler.Somoto
9.0.0.4668

ESET NOD32
Win32/Somoto.G potentially unwanted application
7.0.302.0

F-Prot
W32/SomotoBetterInstaller.D.
v6.4.7.1.166

F-Secure
Application.Bundler.Somoto.J
11.2014-19-12_6

K7 AntiVirus
Unwanted-Program
13.188.14380

Kaspersky
not-a-virus:Downloader.Win32.Agent
15.0.0.543

Malwarebytes
PUP.Optional.Somoto
v2014.12.19.02

MicroWorld eScan
Application.Bundler.Somoto.J
15.0.0.1059

NANO AntiVirus
Riskware.Win32.Downware.digcac
0.28.6.64267

nProtect
Trojan-Clicker/W32.Agent.225264
14.12.18.01

Panda Antivirus
PUP/MultiToolbar.A
14.12.19.02

Qihoo 360 Security
Win32/Application.6bb
1.0.0.1015

Quick Heal
AdWare.Agent.r7 (Not a Virus)
12.14.14.00

Reason Heuristics
PUP.Somoto.M
14.12.19.2

Sophos
PUA 'Somoto BetterInstaller'
5.09

SUPERAntiSpyware
PUP.Somoto/Variant
10169

Trend Micro House Call
TROJ_GEN.R0C1C0EJ214
7.2.353

Trend Micro
TROJ_GEN.R0C1C0EJ214
10.465.19

VIPRE Antivirus
Threat.4150696
35418

File size:
220 KB (225,264 bytes)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\appdata\local\temp\lafbqi0k.exe.part

Digital Signature
Signed by:
Somoto Ltd.

Authority:
Thawte, Inc.

Valid from:
7/1/2014 5:00:00 PM

Valid to:
7/2/2015 4:59:59 PM

Subject:
CN=Somoto Ltd., O=Somoto Ltd., L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
6A0C39D0252522A9C448352858ACAACB

File PE Metadata
Compilation timestamp:
12/17/2010 1:14:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
6144:qA0m3D0oekzbRPgcj+52NHN92M8RTkoSj/e2:qA0iD0orbFgcBNv9oMl

Entry address:
0x39AC

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 97, 46, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 42, 43, 00, 00, 6A, 00, E8, AB, 46, 00, 00, 6A, 08, A3, 88, 4C, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, 38, 4D, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, A4, A2, 40, 00, E8, F0, 45, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, 68, 4D, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, FE, 42, 00, 00, 52, 52, 50, 68, 00, D0, 42, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 39, 42, 00, 00, 83...
 
[+]

Entropy:
7.7509  (probably packed)

Code size:
28.5 KB (29,184 bytes)

The file lafbqi0k.exe has been seen being distributed by the following URL.

http://fsoft4down.com/.../FLVPlayer_downloader-NapKXtoEt.exe

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