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{b8538a8b-efbf-4f58-adf9-3db635470636}.dll

Web United

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module {b8538a8b-efbf-4f58-adf9-3db635470636}.dll by Web United has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Web United  (signed and verified)

Version:
1.0.5760.35689

MD5:
c2a6ae67174b80e51f5147d39558af4c

SHA-1:
f2b6aae9acb78e192c9d64c3a94ada785c8ea3c1

SHA-256:
da23507468c83715695c9fab948fafd7a5c7fad0429372fa2273c117689731aa

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:
4/16/2024 12:43:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.26.13

File size:
520.8 KB (533,256 bytes)

Product version:
1.0.5760.35689

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{b8538a8b-efbf-4f58-adf9-3db635470636}.dll

Digital Signature
Signed by:
Web United

Authority:
VeriSign, Inc.

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

Valid to:
12/13/2015 2:59:59 AM

Subject:
CN=Web United, O=Web United, 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:
067F6E1F1D47FD4673122535E58BAC13

File PE Metadata
Compilation timestamp:
10/10/2015 5:49:48 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x1D63C

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, A2, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, E0, 38, 05, 10, E8, 75, 2E, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, CC, DF, 07, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, BC, 75, 04, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Entropy:
5.4615

Developed / compiled with:
Microsoft Visual C++

Code size:
278 KB (284,672 bytes)

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