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SpringSmart.exe

Spring Smart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file SpringSmart.exe by Spring Smart has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Spring Smart  (signed and verified)

Version:
1.0.5329.16905

MD5:
f2e76b79e20de59ff404cce4a650aae8

SHA-1:
d8273d6e2c043b38e833db28185656320d314b16

SHA-256:
2a11145de454146656ba95cb6b8e6d4b526b532e2cc341ec4dd350f9fdc4ad5f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/24/2024 3:11:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SpringSmart (M)
16.2.10.22

File size:
315.8 KB (323,368 bytes)

Product version:
1.0.5329.16905

Original file name:
SpringSmart.exe

Language:
Language Neutral

Common path:
C:\Program Files\spring smart\tmp1aa2.tmp

Digital Signature
Signed by:
Spring Smart

Authority:
VeriSign, Inc.

Valid from:
8/22/2013 1:00:00 AM

Valid to:
8/23/2015 12:59:59 AM

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:
8/4/2014 11:23:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:0RdHlcCVAoTcs6xA0ds5PA4k6+/5Va+L60rXb1uV:0RdHRio1SVahKBE

Entry address:
0x4EB96

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, 02, 00, 10, 00, 00, 00, 20, 00...
 
[+]

Entropy:
6.0931

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

Code size:
307 KB (314,368 bytes)

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