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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 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Update Spring Smart”.
Publisher:
Spring Smart  (signed and verified)

Version:
1.0.5692.5476

MD5:
b010c9ecd550bfd70af1bc7c738c9b36

SHA-1:
f88604ebd3f5a9c42b49993bf5722d48311bdc29

SHA-256:
8f14d05314d7c17d6febfa3bf8595eeeb832b5630f8cdd681db2353e2049f052

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:
4/26/2024 11:32:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SpringSmart (M)
16.1.31.23

File size:
640.3 KB (655,656 bytes)

Product version:
1.0.5692.5476

Original file name:
SpringSmart2015080211.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 8:00:00 PM

Valid to:
8/22/2015 7:59:59 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:
8/2/2015 7:02:40 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:e1FYcRROvnOpc0Od1o7CSuNRQdYJkXjLbKyqSRxpJjzLma:fcaiso0oC+BzLma

Entry address:
0x9FC72

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:
6.1653

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

Code size:
631.5 KB (646,656 bytes)

Service
Display name:
Update Spring Smart

Type:
Win32OwnProcess


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