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a88c53677ba7418892bf64.dll

Spring Smart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module a88c53677ba7418892bf64.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:
f5bb016af8bacb4fcbd51fa1722cb512

SHA-1:
d3b22ddd98d7e9c558a1b60ec8bc5d6ed50b9169

SHA-256:
a5998d2708933b0d2635d22e652c72e4316ba9a8c06f9e06506169f96903f268

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:
4/20/2024 3:43:19 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SpringSmart (M)
16.2.7.23

File size:
192.8 KB (197,416 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\spring smart\bin\a88c53677ba7418892bf64.dll

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:
11/12/2014 6:33:11 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:QfcIzRvrZMNkq+m+6Ai2Tjn0lUAA2t90CVQIeqSCsPl:Q0Izz2kq+m0i2TjnUUAA2t9/cqOd

Entry address:
0x11738

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, 13, 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:
6.1756

Code size:
128 KB (131,072 bytes)

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