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surftastic.expext.dll

Surftastic

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

Version:
1.0.5477.24262

MD5:
4b465a031b871b45f154263ae56e764e

SHA-1:
b953cc0bdac73db0dd6b260d29210600ce74a95d

SHA-256:
3afde648adf6d9a632fa885bf639ef6d459493888b21827b14f0c0ba3abecd14

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:
5/5/2024 5:42:17 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.10

File size:
583.7 KB (597,744 bytes)

Product version:
1.0.5477.24262

Original file name:
Surftastic.ExpExt2014123021.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\surftastic\bin\plugins\surftastic.expext.dll

Digital Signature
Signed by:
Surftastic

Authority:
VeriSign, Inc.

Valid from:
12/23/2014 8:00:00 AM

Valid to:
1/23/2016 7:59:59 AM

Subject:
CN=Surftastic, O=Surftastic, L=San Diego, 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:
5075CED200701322868158A770FEC231

File PE Metadata
Compilation timestamp:
12/31/2014 5:28:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x91C8E

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:
6.4541

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

Code size:
575.5 KB (589,312 bytes)

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