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saltarsmart.exe

SaltarSmart

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application saltarsmart.exe by SaltarSmart has been detected as adware by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. It is also typically executed from the user's temporary directory.
Publisher:
SaltarSmart  (signed and verified)

MD5:
98da4f23d4412fda3b08f7cf78ef1dc2

SHA-1:
b172d4e792b9a8e63c8c37fbbb5e94a15c0c62e8

SHA-256:
68571186c69e22fde3314eacb82e8f416199c69a95c2addd77ef15366efa093c

Scanner detections:
7 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
2/25/2025 10:37:05 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Plugin.100
9.0.1.0350

ESET NOD32
Win32/BrowseFox
7.9142

Malwarebytes
PUP.Optional.SaltarSmart.A
v2013.12.16.04

Reason Heuristics
PUP.SaltarSmart.L
14.8.7.17

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.131214

Sophos
SaltarSmart
4.95

SUPERAntiSpyware
Trojan.Agent/Gen-BHO
10905

File size:
171.2 KB (175,296 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\cf213051b29e4088a264d24bad564de3\software\saltarsmart.exe

Digital Signature
Signed by:
SaltarSmart

Authority:
VeriSign, Inc.

Valid from:
8/12/2013 8:00:00 PM

Valid to:
8/13/2015 7:59:59 PM

Subject:
CN=SaltarSmart, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SaltarSmart, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
75908B9BAFC78AEAC30578D5193F6DC8

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:WLk395hYXJsCDaL9XH8nEVSVbJm9anH7l1m/GqMHJGULvb:WQqD+L9qEANwYnH7nm/G/Hce

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8691

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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