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ether-z-silent.exe

Somoto Israel Ltd.

This is the Somoto BetterInstaller, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application ether-z-silent.exe by Somoto Israel has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. The file has been seen being downloaded from cdn.bigspeedpro.com.
Publisher:
Somoto Israel Ltd.  (signed and verified)

MD5:
1795328bbaa50d5994d3ea372a88c136

SHA-1:
9dca34a7a4140d3699afe056439288169af9041a

SHA-256:
e5fccbd17cc9495e73f078ff62fbfb948623833986899b401ebd2f1b9a6dcdc2

Scanner detections:
6 / 68

Status:
Adware

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 7:21:12 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Somoto.Gen2
7.11.108.38

Dr.Web
Adware.Somoto.1
9.0.1.0240

ESET NOD32
Win32/Toolbar.Zugo
7.8930

Reason Heuristics
PUP.SomotoIsrael.O
14.8.7.17

Trend Micro House Call
TROJ_GEN.USVTK10
7.2.240

VIPRE Antivirus
Trojan.Win32.Generic
22472

File size:
373.4 KB (382,368 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\ether-z-silent.exe

Digital Signature
Signed by:
Somoto Israel Ltd.

Authority:
The USERTRUST Network

Valid from:
2/23/2010 4:00:00 PM

Valid to:
2/4/2012 3:59:59 PM

Subject:
CN=Somoto Israel Ltd., O=Somoto Israel Ltd., STREET=Eilat 61/2401, L=Tel Aviv, S=--, PostalCode=66845, C=IL

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
009324E7B7AAA5711B11734FF41E4A3D57

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:9s20pAu9z7onZng2FgwLy0CfEOJ6m9+iwnPe9nRkw3C+xXspZtdVjSD7eUTKNi:B0pb7onZg2r3CfEk6moHPe5RkDdfdVjC

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.9283

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file ether-z-silent.exe has been seen being distributed by the following URL.

http://cdn.bigspeedpro.com/mirror/.../ether-z-silent.exe

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