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nsk938.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 nsk938.tmp by Site on Spot Limited has been detected as adware by 6 anti-malware scanners. 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.symiosisoak.com.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
7eb8498261aba0530a7e3a4e579efc27

SHA-1:
01c4ee87e76d703d626785bca184bbc9a32dc5c7

SHA-256:
aef2c9f88e9d215d350cdf66947ca152886358e8fcd1005b8c1f59b6c469b1bb

Scanner detections:
6 / 68

Status:
Adware

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:
12/26/2024 3:27:38 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
AdLoad.S
2016.0.3188

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15225

ESET NOD32
Win32/Somoto.G potentially unwanted application
7.0.302.0

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Bundler.Somoto
15.5.3.0

VIPRE Antivirus
Threat.4150696
37588

File size:
418.3 KB (428,304 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\nsk938.tmp

Digital Signature
Signed by:
Site on Spot Limited

Authority:
thawte, Inc.

Valid from:
1/27/2015 10:00:00 PM

Valid to:
7/9/2015 8:59:59 PM

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 8:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:osxFUo0z9A7ha2d8m4x/amAF3m3s4jNsVYTfM3zNuo7FQA6UaGgSBXqSgOp:hFF6mdux/amGD4qVhz4o7FQSh

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 nsk938.tmp has been seen being distributed by the following URL.

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

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