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springsmartun.exe

Spring Smart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application springsmartun.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. This is the uninstaller utility registered in the Windows Control Panel for the program Spring Smart 2013.11.07.204203 by Spring Smart.
Publisher:
Spring Smart  (signed and verified)

Version:
1.0.0.0

MD5:
c3e41850da40b79578b4a062621cbda9

SHA-1:
aacc7b78b992a34ffeff4defd7f4131ac4484b34

SHA-256:
860fc71e894c36ab0bfe35e3c4efc4e6cda356b5182cf05b0b145420b84e53c8

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 3:41:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SpringSmart (M)
16.2.7.23

File size:
534.8 KB (547,624 bytes)

Product version:
1.0.0.0

Original file name:
Spring Smart Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\spring smart\springsmartun.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:
11/11/2014 10:35:29 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:97PzDqjqB8rEEBPYrTA4190nKlbX3CREs6pthcvyVHN:7Hsmq4BptheCN

Entry address:
0x83A80

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:
6.1030

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

Code size:
519 KB (531,456 bytes)

Program Uninstaller
Program name:
Spring Smart 2013.11.07.204203

Display publisher:
Spring Smart

Display version:
2013.11.07.204203

Uninstall string:
C:\Program Files (x86)\Spring Smart\SpringSmartUn.exe OFS_


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