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SpringSmart.Repmon.dll

Spring Smart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module SpringSmart.Repmon.dll 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:
1.0.5315.1078

MD5:
7c91ad917c50c875a836ac7bd7d6e65c

SHA-1:
0427ded7d667d2a142eecc3160992fe396525b03

SHA-256:
ccba04ae994400dd3bbf97b3afe7af74b767e77cee074fac72963fa9bdbb3337

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:
4/18/2024 7:48:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SpringSmart (M)
16.1.19.10

File size:
110.3 KB (112,936 bytes)

Product version:
1.0.5315.1078

Original file name:
SpringSmart.Repmon.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\spring smart\bin\plugins\springsmart.repmon.dll

Digital Signature
Signed by:
Spring Smart

Authority:
VeriSign, Inc.

Valid from:
8/22/2013 2:00:00 AM

Valid to:
8/23/2015 1:59:59 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:
7/21/2014 3:36:07 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
1536:Lb+ZWk6j/QluGJr9WfRbqNDTXWbZFrhzFa1Uduj77iwfnt5aGopO+vY4/U7DXW:Lb+ZnKIsGJr9k1vFcqC7RLtB+vNyW

Entry address:
0x1B7AE

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00...
 
[+]

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

Code size:
102 KB (104,448 bytes)

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