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nsv8901.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 nsv8901.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.reasoninghollow.com.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
f4c0f2e24d565b39fc0742b66c471fa7

SHA-1:
541935effa43f29bd79060db6a871e9d1e8755c8

SHA-256:
4f6a794946e7e12c329e03fa0e0e5755ef5d560e7be1314b99a1d5f3bef68520

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:
4/30/2024 11:25:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.SiteonSp.Bundler (M)
16.3.29.4

File size:
418.2 KB (428,280 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsv8901.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):
12288:JFnr2j8Gwdsnz4YUz/Si+toyTXUlrUjnOdBu:JFzdszTU7KXErUSds

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:
7.9408

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsv8901.tmp has been seen being distributed by the following URL.

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

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