constasurf.repmon.dll

ConstaSurf

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module constasurf.repmon.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:
1.0.5532.19296

MD5:
ec998f094797cfc748f4423ae0036e90

SHA-1:
afbbeca57c9083d63413d0299c0b95708a88b416

SHA-256:
8f360bdb4a21849e65e95ccfe8b503e8030dfc2cc12d18a9297ca2b62cf8579d

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:
4/26/2024 8:02:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.6.5

File size:
258.3 KB (264,480 bytes)

Product version:
1.0.5532.19296

Original file name:
ConstaSurf.Repmon2015022318.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 12:00:00 AM

Valid to:
3/19/2015 11:59:59 PM

Subject:
CN=ConstaSurf, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
46A82C62F93896A2C29C94EC6C4D8A3D

File PE Metadata
Compilation timestamp:
2/23/2015 6:43:16 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x40766

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:
6.1373

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

Code size:
250 KB (256,000 bytes)

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