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constasurf.purbrowseg.dll

ConstaSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module constasurf.purbrowseg.dll by ConstaSurf has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
ConstaSurf  (signed and verified)

Version:
1.0.5896.7890

MD5:
5a05fadaec33998e1c77bb7df3db7182

SHA-1:
214740d6aff0145a421c43a567cb669f7e640fc3

SHA-256:
7be1ee9da4572c51a772a41ca35cbfc6e95e6041131268a4391f27eafe3a7137

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:
4/29/2024 7:46:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.18

File size:
1.2 MB (1,268,464 bytes)

Product version:
1.0.5896.7890

Original file name:
2016022212.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\constasurf\bin\plugins\constasurf.purbrowseg.dll

Digital Signature
Signed by:
ConstaSurf

Authority:
VeriSign, Inc.

Valid from:
3/15/2015 7:00:00 PM

Valid to:
4/14/2016 6:59:59 PM

Subject:
CN=ConstaSurf, O=ConstaSurf, 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:
284E019C78604C0DEBC01C1E082C455D

File PE Metadata
Compilation timestamp:
2/22/2016 6:23:07 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x13599A

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, 50, 13, 00, 0C, 00, 00, 00, 9C, 39, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.3662

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

Code size:
1.2 MB (1,260,032 bytes)

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