nsx2715.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 nsx2715.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.sababaishen.com.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
0fb9d17d2c7d41c7a941b282a119c520

SHA-1:
41ca785c453f40cfba509394a1ff3a9b24401d33

SHA-256:
a41f1596b2d6dd18933d2b6757eea9e91232ceed39b456498e269435a246fd44

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 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:
11/23/2024 8:45:53 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.SiteonSpot.Bundler (M)
16.2.13.3

File size:
418.2 KB (428,264 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsx2715.tmp

Digital Signature
Authority:
thawte, Inc.

Valid from:
1/28/2015 7:00:00 AM

Valid to:
7/10/2015 6:59:59 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 5:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:AsxFgnIF66m0bxSBomJnI5w9AU/iJiLtmKxPGu6Ro8aQJY/+8dwMbakCfWK9abq8:5FcIa6xSPC6jgetGu6MQDAleV7DYD

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:
7.9412

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file nsx2715.tmp has been seen being distributed by the following URL.

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