nst8f00.tmp

SITE ON SPOT 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 nst8f00.tmp by SITE ON SPOT has been detected as adware by 22 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. According to AVG, this software downloads additional adware offers during setup. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from sub.youcanbringmebacktolife.com.
Publisher:
SITE ON SPOT Ltd.  (signed and verified)

Version:
1.0.0.1

MD5:
36dc722344f0daa8b9a33a2d8bd9fb82

SHA-1:
e11c724cb1d2f835d372ffe0ba858f198899a853

SHA-256:
5d82bf2062facd18e1570e25c42d6b61fc24866f1919ff8b7ec006ad9d7396c4

Scanner detections:
22 / 68

Status:
Adware

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

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:
11/15/2024 3:04:23 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.AG
5580188

AhnLab V3 Security
Win-PUP/Somoto
2015.05.29

Avira AntiVirus
PUA/Somoto.hzis
8.3.1.6

avast!
Somoto-P [PUP]
150525-2

AVG
Potentially harmful program Downloader.DFF
2014.0.4311

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15529

Bitdefender
Application.Bundler.Somoto.AG
1.0.20.745

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Somoto-2
0.98/21511

Comodo Security
Application.Win32.Mazel.ANGL
22262

Dr.Web
Trojan.Packed.28357
9.0.1.05190

Emsisoft Anti-Malware
Application.Bundler.Somoto.AG
10.0.0.5366

ESET NOD32
Win32/Somoto.G potentially unwanted application
7.0.302.0

F-Secure
Application.Bundler.Somoto
11.2015-29-05_6

K7 AntiVirus
Unwanted-Program
13.204.16065

Kaspersky
not-a-virus:Downloader.NSIS.Mazel
15.0.0.543

MicroWorld eScan
Application.Bundler.Somoto.AG
16.0.0.447

NANO AntiVirus
Trojan.Nsis.Downloader.dpxxrf
0.30.24.1636

Panda Antivirus
PUP/Somoto
15.05.29.03

Reason Heuristics
PUP.Installer.SITEONSPOT
15.5.28.22

Sophos
PUA 'Somoto BetterInstaller'
5.14

VIPRE Antivirus
Threat.4150696
40552

File size:
420.2 KB (430,248 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nst8f00.tmp

Digital Signature
Authority:
Thawte, Inc.

Valid from:
6/28/2013 7:00:00 AM

Valid to:
6/29/2015 6:59:59 AM

Subject:
CN=SITE ON SPOT Ltd., O=SITE ON SPOT Ltd., L=Tel Aviv, S=NA, C=IL

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

Serial number:
3EE11B140A803DE260823157A875B8C5

File PE Metadata
Compilation timestamp:
12/6/2009 5:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:osxFQf3LKDtet7YQKrtBaCiQPnOj3AHamGrLwJ+dQ2Dgyvlx73zbTTZf+FJwGgFS:hFQD57YQGtBXCeVGrLwJKQqxjzbTAyk

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:
7.9406

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nst8f00.tmp has been seen being distributed by the following URL.

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