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springsmart.purbrowse64.exe

Spring Smart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application springsmart.purbrowse64.exe by Spring Smart has been detected as adware by 8 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)

MD5:
4b62c850f81be6aad1b9ef82d4e2678c

SHA-1:
f0100ed9e5a514055174435973d6189985542832

SHA-256:
5e67d770b1e31d5015cf9df196ef77a62f5f025e81228d2e87e4006f3d693b8d

Scanner detections:
8 / 68

Status:
Adware

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

Analysis date:
4/25/2024 8:53:31 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

avast!
Win64:BrowseFox-A [PUP]
141119-1

AVG
Spmart
2015.0.3280

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141124

Clam AntiVirus
Win.Adware.Swiftbrowse-749
0.98/21511

Dr.Web
Trojan.BPlug.100
9.0.1.05190

Reason Heuristics
PUP.SpringSmart.W
14.11.24.15

VIPRE Antivirus
Threat.4741131
35088

File size:
344.8 KB (353,064 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\spring smart\bin\springsmart.purbrowse64.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:
11/15/2014 1:35:15 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:YShaqDLO9oz/8HY53/XEyP8RIKJKXtApA6Tfeibtze7Dmh7YZTBwXSIjPGN:74q3O98T3PEyEJ0tUB9b7YZT2XxY

Entry address:
0x256C0

Entry point:
48, 83, EC, 28, E8, 77, 94, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 4C, 8D, 0D, 75, AF, 02, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, DB, 5E, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, 87, B0, 02, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Entropy:
6.2931

Code size:
232.5 KB (238,080 bytes)

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