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tempcleaner-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 tempcleaner-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:
909fb45bda95343d275dd474fb48ff39

SHA-1:
fe342317834bf78c5579d03101eb48ce91a58c77

SHA-256:
30c5ef56d10be15f4335be89be91f3f6a25d01f2702d73359190e303d8b6126f

Scanner detections:
6 / 68

Status:
Adware

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/20/2024 12:37:58 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Somoto.1
9.0.1.0240

ESET NOD32
Win32/Toolbar.Zugo
7.8435

MicroWorld eScan
Win32/Toolbar.Zugo
14.0.0.720

Reason Heuristics
PUP.SomotoIsrael.U
14.8.7.17

Trend Micro House Call
TROJ_GEN.R4FH1K3
7.2.240

VIPRE Antivirus
Trojan.Win32.Generic
18610

File size:
373.4 KB (382,408 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\tempcleaner-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:Vs20p74ub1bFEIFQIzcU0wedrLyqA2lf2t/B9sc2zdsQK6Pm53ecM5etPRCH08oX:50pxdF3zuwyrLAy+VsnzuQK6P2eHsOw

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:
7.9277

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

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

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