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nanosurfer.expext.dll

Nano Surfer

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

Version:
1.0.5730.22533

MD5:
30d0843b044e9a81f8c8d49b961a1278

SHA-1:
e2396c21c3deef5ca1bff718080d4edff4823547

SHA-256:
e5f4b4c2bf7a48674872ef2bcc28b1392d03e64eda43c31c999f90dda1cb1818

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:
12/24/2024 4:09:30 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.3

File size:
499.2 KB (511,224 bytes)

Product version:
1.0.5730.22533

Original file name:
2015090920.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\nano surfer\bin\plugins\nanosurfer.expext.dll

Digital Signature
Signed by:
Nano Surfer

Authority:
VeriSign, Inc.

Valid from:
12/17/2014 12:00:00 AM

Valid to:
12/17/2015 11:59:59 PM

Subject:
CN=Nano Surfer, O=Nano Surfer, 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:
4C3408B948BFE38825B699D7ED92B282

File PE Metadata
Compilation timestamp:
9/9/2015 9:31:06 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x7CA6E

Entry point:
FF, 25, 00, 20, 00, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
6.4539

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

Code size:
491 KB (502,784 bytes)

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