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nsvacf8.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 nsvacf8.tmp by Site on Spot Limited has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. Includes the Somoto BetterInstaller, an adware installer that will bundle offers for third party applications, mostly adware toolbars, with legitimate softare. These offers are typically installed onto users' PCs by default, but may include an option to 'opt-out' during or after the installation process.
Publisher:
Site on Spot Limited  (signed and verified)

Version:
1.0.0.1

MD5:
0352b961d4033793d9f69c1c25b033c8

SHA-1:
38ef3122d8094e1cdf9ee29a817ca518a2991260

SHA-256:
3b483b846a0119bef1253c20b6bfae57eaacb87729020f9eca6a54f9ef97800e

Scanner detections:
21 / 68

Status:
Adware

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:
4/23/2024 8:23:58 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.AG
574

AhnLab V3 Security
PUP/Win32.Somoto
2015.05.07

AVG
AdLoad.S
2016.0.3052

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.15710

Bitdefender
Application.Bundler.Somoto.AG
1.0.20.955

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Packed.28357
9.0.1.0191

ESET NOD32
Win32/Somoto.G potentially unwanted
9.11588

F-Secure
Application.Bundler.Somoto
11.2015-10-07_6

K7 AntiVirus
Unwanted-Program
13.203.15826

Kaspersky
not-a-virus:Downloader.Win32.Somato
14.0.0.1756

Malwarebytes
PUP.Optional.Somoto.SID.A
v2015.07.10.07

McAfee
Artemis!0352B961D403
5600.6708

MicroWorld eScan
Application.Bundler.Somoto.AG
16.0.0.573

NANO AntiVirus
Trojan.Nsis.Downloader.dpxxrf
0.30.24.1357

Panda Antivirus
Trj/CI.A
15.07.10.07

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

Reason Heuristics
PUP.Somoto.SiteonSpot.Bundler (M)
15.7.10.19

Trend Micro House Call
TROJ_GEN.R047H07C815
7.2.191

Vba32 AntiVirus
Downloader.Somato
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
40018

File size:
418.2 KB (428,280 bytes)

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

Common path:
C:\users\{user}\appdata\local\temp\nsvacf8.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:QsxFAHKP4mRMl2avVvWf+0vLbmBwVa70hPTY2iIaJWhflPXkUVyY:JFCKQ0MfTGLbm3IhTgIo8tPXko

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 nsvacf8.tmp has been seen being distributed by the following URL.

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

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