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nsjb3f0.tmp

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 file nsjb3f0.tmp by Somoto Israel has been detected as adware by 9 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from sub.cakewalkroomba.com.
Publisher:
Somoto Israel Ltd.  (signed and verified)

Version:
1.0.0.1

MD5:
5351d946a7f514f217b0846134c8d5ba

SHA-1:
23ac9c671983756c4bb4b16932cfb516e7a04453

SHA-256:
fe306c083891e6fdcad6b035eeba6436ead1e135ed59c396d59895ff3a6c2211

Scanner detections:
9 / 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:
5/6/2024 2:55:55 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
AdLoad.S
2016.0.3128

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15426

ESET NOD32
Win32/Somoto.G potentially unwanted
9.11233

K7 AntiVirus
Trojan
13.198.15085

Kaspersky
not-a-virus:Downloader.Win32.AdLoad
14.0.0.2133

Panda Antivirus
PUP/MultiToolbar.A
15.04.26.08

Reason Heuristics
Threat.Somoto.Bundler
15.4.26.4

Trend Micro House Call
TROJ_GEN.R0C1H07BE15
7.2.116

VIPRE Antivirus
Trojan.Win32.Generic
37902

File size:
417.9 KB (427,952 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsjb3f0.tmp

Digital Signature
Signed by:
Somoto Israel Ltd.

Authority:
Somoto Israel Ltd.

Valid from:
1/28/2015 4:45:34 PM

Valid to:
1/28/2016 5:05:34 PM

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

Issuer:
CN=Somoto Israel Ltd., OU="", O=Somoto Israel Ltd., L=Tel Aviv, S=Israel, C=IL

Serial number:
66193B5EACC01CB140D8D920D06C3660

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:VsxFaitD4mx1VzSM9zOX+JTl8ZJzz8yoFWouPXM9wkiCOKAY3kffz0FbdE3LsUmv:kFV+m1V+Jml8TzWWtvM9XL9A9Wc+J

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:
7.9405

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsjb3f0.tmp has been seen being distributed by the following URL.

http://sub.cakewalkroomba.com/installers/bi_downloader/.../setup.exe

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