b604d50d2464.dll

Nano Surfer

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module b604d50d2464.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)

MD5:
ea3ed3ac7a04dc9433d54db6c88a580d

SHA-1:
6790cdea859c3ab25ce64989048256710caa2491

SHA-256:
a477361d891624b8f48de51d7bf308503dfa34d009c4ad24a36ffe12dd709261

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:
5/2/2024 11:13:58 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.3

File size:
192.2 KB (196,856 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\nano surfer\bin\b604d50d2464.dll

Digital Signature
Signed by:

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:
1/11/2015 11:51:18 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x11748

Entry point:
48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 83, EC, 20, 49, 8B, F8, 8B, DA, 48, 8B, F1, 83, FA, 01, 75, 05, E8, 2F, 61, 00, 00, 4C, 8B, C7, 8B, D3, 48, 8B, CE, 48, 8B, 5C, 24, 30, 48, 8B, 74, 24, 38, 48, 83, C4, 20, 5F, E9, A7, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 66, 66, 0F, 1F, 84, 00, 00, 00, 00, 00, 48, 8B, C1, 49, 83, F8, 08, 72, 53, 0F, B6, D2, 49, B9, 01, 01, 01, 01, 01, 01, 01, 01, 49, 0F, AF, D1, 49, 83, F8, 40, 72, 1E, 48, F7, D9, 83, E1, 07, 74, 06...
 
[+]

Entropy:
6.1837

Code size:
128 KB (131,072 bytes)

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