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utilspringsmart.exe

Spring Smart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilspringsmart.exe by Spring Smart has been detected as adware by 9 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update Spring Smart”. 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.
Publisher:
Spring Smart  (signed and verified)

Version:
1.0.5432.15034

MD5:
e81340e5946d6de3804da282703a8557

SHA-1:
a046189793d52343db490133b4dbed70daa347f0

SHA-256:
497199dc5d119ebaf2ad4d9bed7a3ec9674c9abda96a895eccb272e37b65a10e

Scanner detections:
9 / 68

Status:
Adware

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

Analysis date:
4/25/2024 5:01:49 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.188.128

avast!
Win32:BrowseFox-DQ [PUP]
141119-1

AVG
Spmart
2015.0.3280

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141124

ESET NOD32
MSIL/BrowseFox.H potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.185.14120

Malwarebytes
PUP.Optional.SpringSmart.A
v2014.11.24.04

Reason Heuristics
Adware.Yontoo.Service.P
14.11.24.15

VIPRE Antivirus
Threat.4741131
35088

File size:
513.8 KB (526,120 bytes)

Product version:
1.0.5432.15034

Original file name:
SpringSmart.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\spring smart\bin\utilspringsmart.exe

Digital Signature
Signed by:
Spring Smart

Authority:
VeriSign, Inc.

Valid from:
8/21/2013 5:00:00 PM

Valid to:
8/22/2015 4:59:59 PM

Subject:
CN=Spring Smart, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Spring Smart, L=Santa Monica, 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:
5D69FD87A1BCECDB8891F45F148E34E2

File PE Metadata
Compilation timestamp:
11/15/2014 8:21:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:Kc1wBddjQZbdMkhznrOWL5mUwHfhbbVZAx+9LiLZ1p5slnBjKE1vhOLHLHYtx8Hx:KcKBIZbakh3RLMUwnmN5UBVUra4hzT

Entry address:
0x8022E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
5.9027

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
505 KB (517,120 bytes)

Service
Display name:
Update Spring Smart

Type:
Win32OwnProcess


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