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496178a8-018d-4680-9bd3-1c98b3cebd22.dll

Webporpoise

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 496178a8-018d-4680-9bd3-1c98b3cebd22.dll by Webporpoise 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:
Webporpoise  (signed and verified)

MD5:
55b9c20b31f3b96ddfd2d8c9490763cc

SHA-1:
61612c062cb33c760ee65f114d045cd6e96ab386

SHA-256:
d41aa40217c51f08c8d5a873a06232f58609bd7de15aa3ca163bd7adc3a95b38

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:
11/23/2024 10:07:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.17.19

File size:
54.2 KB (55,544 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\496178a8-018d-4680-9bd3-1c98b3cebd22.dll

Digital Signature
Signed by:
Webporpoise

Authority:
VeriSign, Inc.

Valid from:
3/11/2015 5:00:00 PM

Valid to:
4/10/2016 4:59:59 PM

Subject:
CN=Webporpoise, O=Webporpoise, 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:
0B91659157A711B12C4C801CB6C9FC3E

File PE Metadata
Compilation timestamp:
3/16/2016 3:23:37 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x8C98

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, EB, 07, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 10, 68, 98, B6, 00, 10, E8, 09, 05, 00, 00, 33, C0, 40, 8B, F0, 89, 75, E4, 33, DB, 89, 5D, FC, 8B, 7D, 0C, 89, 3D, 10, D0, 00, 10, 89, 45, FC, 85, FF, 75, 0C, 39, 3D, E4, D2, 00, 10, 0F, 84, D4, 00, 00, 00, 3B, F8, 74, 05, 83, FF, 02, 75, 38, A1, 6C, A7, 00, 10, 85, C0, 74, 0E, FF, 75, 10, 57, FF, 75, 08, FF, D0, 8B, F0, 89, 75, E4, 85, F6, 0F, 84, B1, 00, 00, 00...
 
[+]

Entropy:
6.5604

Developed / compiled with:
Microsoft Visual C++

Code size:
34.5 KB (35,328 bytes)

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