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42e5d6bec70e4beab57764.dll

Spring Smart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 42e5d6bec70e4beab57764.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)

MD5:
24fce5ede61e2f195732e4017bfa2775

SHA-1:
5fe306c230be0af12adf886be57dad42f89e4385

SHA-256:
8840255b022c94e8d43c7fef53ec0722ae0b11b2b7d3d1ad10e435cb4d9939ac

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 5:22:54 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.18.21

File size:
192.3 KB (196,904 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\spring smart\bin\42e5d6bec70e4beab57764.dll

Digital Signature
Signed by:
Spring Smart

Authority:
VeriSign, Inc.

Valid from:
8/22/2013 7:00:00 AM

Valid to:
8/23/2015 6:59:59 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:
1/11/2015 6:51:18 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x11748

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 2F, 61, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, A7, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 8B, C1, 49, 83, F8, 08, 72, 53, 0F, B6, D2, 49, B9, 01, 01, 01, 01, 01, 01, 01, 01, 49, 0F, AF, D1, 49, 83, F8, 40, 72, 1E, 48, F7, D9, 83, E1, 07, 74, 06...
 
[+]

Entropy:
6.1836

Code size:
128 KB (131,072 bytes)

Remove 42e5d6bec70e4beab57764.dll - Powered by Reason Core Security
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