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SpringSmart.Msvcmon.dll

Spring Smart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module SpringSmart.Msvcmon.dll by Spring Smart has been detected as adware by 13 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Spring Smart  (signed and verified)

Version:
1.0.5432.9932

MD5:
72eca084408f55f4d0a98e52edb1b3aa

SHA-1:
e1a08bc71aefb6e86fad8c6f2361c7ddd3b9dbf8

SHA-256:
f5197507974e64ca63482a18b26162bb9b00bdd00c59d043905086b9ecd8e58a

Scanner detections:
13 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/25/2024 6:22:31 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.188.32

AVG
Spmart
2015.0.3280

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141124

ESET NOD32
MSIL/BrowseFox (variant)
8.10764

G Data
Win32.Adware.BrowseFox
14.11.24

IKARUS anti.virus
PUA.MSIL.BrowseFox
t3scan.1.8.3.0

K7 AntiVirus
Adware
13.185.14098

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.2897

McAfee
Artemis!72ECA084408F
5600.6936

Panda Antivirus
Trj/Chgt.L
14.11.24.04

Reason Heuristics
PUP.SpringSmart.S
14.11.24.16

Sophos
Spring Smart
4.98

VIPRE Antivirus
Yontoo
35016

File size:
617.3 KB (632,104 bytes)

Product version:
1.0.5432.9932

Original file name:
SpringSmart.Msvcmon.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\spring smart\bin\plugins\springsmart.msvcmon.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:
11/14/2014 9:31:10 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:9J2a+yV/7EuVUUjwolg4owroOvHlq1t423ykka8dX+wWAZF5ULT0pny+6BTXQ028:9YeQuVUpob/8OvHs3tbP0pvxkep5ZN+

Entry address:
0x9A1FC

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:
6.5042

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

Code size:
609 KB (623,616 bytes)

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