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nsff54c.tmp

Site on Spot Limited

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 nsff54c.tmp by Site on Spot Limited has been detected as adware by 18 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 third party applications, mostly adware toolbars, with legitimate softare. These offers are typically installed onto users' PCs by default, but may include an option to 'opt-out' during or after the installation process.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
1efd852cb171036d2d36ac79e004a244

SHA-1:
a382a4921f53d71089659de5dae77bd472ff414f

SHA-256:
00ed115603ad267e6615021655770d1ea78cc62d74e17b1071c0c8d70f279b4d

Scanner detections:
18 / 68

Status:
Adware

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
3/14/2025 4:49:05 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.AG
623

AhnLab V3 Security
PUP/Win32.Somoto
2015.05.23

AVG
AdLoad.S
2016.0.3101

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15523

Bitdefender
Application.Bundler.Somoto.AG
1.0.20.715

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Packed.28357
9.0.1.0143

ESET NOD32
Win32/Somoto.G potentially unwanted
9.11670

F-Secure
Application.Bundler.Somoto
11.2015-23-05_7

K7 AntiVirus
Unwanted-Program
13.204.16003

Kaspersky
not-a-virus:Downloader.Win32.Somato
14.0.0.1999

Malwarebytes
PUP.Optional.Somoto.SID.A
v2015.05.23.04

MicroWorld eScan
Application.Bundler.Somoto.AG
16.0.0.429

NANO AntiVirus
Trojan.Nsis.Downloader.dpxxrf
0.30.24.1636

Panda Antivirus
Trj/CI.A
15.05.23.04

Qihoo 360 Security
Win32/Virus.Downloader.912
1.0.0.1015

Reason Heuristics
PUP.Somoto.Bundler
15.5.23.4

VIPRE Antivirus
Trojan.Win32.Generic
40464

File size:
418.2 KB (428,280 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsff54c.tmp

Digital Signature
Signed by:
Site on Spot Limited

Authority:
thawte, Inc.

Valid from:
1/28/2015 8:00:00 AM

Valid to:
7/10/2015 7:59:59 AM

Subject:
CN=Site on Spot Limited, O=Site on Spot Limited, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
477E336D7B42EDDDED42DABF6FAB572F

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:QsxFnimYpQop+FiyZUGDoNHoCrk3E+ecHpjqUnXFnZo5u54SiEYwq/6/oejAvOCq:JFizQQs9U+HJGUnXFn3viEy/bdvDsp3H

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:
7.9407

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsff54c.tmp has been seen being distributed by the following URL.

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

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