nsk16f.tmp

SITE ON SPOT Ltd.

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 nsk16f.tmp by SITE ON SPOT 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. The file has been seen being downloaded from sub.sababaishen.com.
Publisher:
SITE ON SPOT Ltd.  (signed and verified)

Version:
1.0.0.1

MD5:
36905329659ca685b905ca319f920c82

SHA-1:
95ff7960eea7b78bebdec6d01bbf2232bb8fe27e

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:
12/26/2024 4:14:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.SITEONSPOT.Bundler (M)
16.2.27.0

File size:
420.2 KB (430,280 bytes)

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

Language:
Language Neutral

Common path:
C:\Documents and Settings\{user}\Local settings\temp\nsk16f.tmp

Digital Signature
Authority:
Thawte, Inc.

Valid from:
6/27/2013 9:00:00 PM

Valid to:
6/28/2015 8:59:59 PM

Subject:
CN=SITE ON SPOT Ltd., O=SITE ON SPOT Ltd., L=Tel Aviv, S=NA, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
3EE11B140A803DE260823157A875B8C5

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:IsxFIkMlQdoVe6tiezDaWfYiFNxsR1L0bBEMBgAoYH/nRzIl/8XbLqG:BFIkM+dxMx6CYiFXsRYElAtJs0bLP

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 nsk16f.tmp has been seen being distributed by the following URL.

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