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:
1.0.5396.20402

MD5:
e4d38b1fe426e18f6873dab6182ba842

SHA-1:
8d02f649cc8125f6aad80f41568fc3fc255d6577

SHA-256:
cd73fe0800650f0af94f4ad6e7d5fc55c5470316ce7447f3592e34a7a54c8331

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:
12/23/2024 4:55:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.21

File size:
510.3 KB (522,536 bytes)

Product version:
1.0.5396.20402

Original file name:
SpringSmart.exe

Language:
Language Neutral

Common path:
C:\Program Files\spring smart\bin\tmp10fd.tmp

Digital Signature
Signed by:

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:
10/10/2014 3:20:10 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7F406

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, 02, 00, 00, 00, 5E, 00, 00, 00, 48, F4, 07, 00, 48, D6, 07, 00, 52, 53, 44, 53, 00, AC, D2, 6F, 47, EE, 3A, 4B, 81, 4F, 03, 66, E5, 07, DA, 9D, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 34, 68, 72, 68, 64, 73, 66, 71, 2E, 73, 7A, 70, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.9187

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

Code size:
501.5 KB (513,536 bytes)

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