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nsld373.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 nsld373.tmp by Site on Spot Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. 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.revereamillion.com.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
a28186e91e95d0a517d252f3bcebfe2e

SHA-1:
c2e1af11cdc476b97a743d5f48c48da28b4dc1da

SHA-256:
e17119ff84890380128ed8e6a4e26327a7e4fea034d24761dd5413f39cb91c82

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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 4:45:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.SiteonSp.Bundler (M)
16.7.6.22

File size:
418.2 KB (428,264 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsld373.tmp

Digital Signature
Signed by:
Site on Spot Limited

Authority:
thawte, Inc.

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

Valid to:
7/10/2015 1:59:59 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:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:AsxFa/grBqrM7N7137KCKyP9yRQtYONYTMsoJOFLtPR0KuvW624RkQfRzWbqk8mK:5FaQBV9y0YLTMmXYeqRkKR6tB/nY0Kaw

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsld373.tmp has been seen being distributed by the following URL.

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

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