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d1c0eac9f46940b8943e64.dll

Appstein

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module d1c0eac9f46940b8943e64.dll by Appstein has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Appstein  (signed and verified)

MD5:
437f81cd564db9c08c18052021b8b70c

SHA-1:
c03c0d19524a374225b4a46cfa6ac98add39e9fe

SHA-256:
66c90151c5bf189b69e7950ae1ccbed2b0a3acfb42912b72cdd6b5930cfcad3b

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:
5/11/2024 5:19:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.1.21

File size:
192.8 KB (197,400 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\appstein\bin\d1c0eac9f46940b8943e64.dll

Digital Signature
Signed by:
Appstein

Authority:
VeriSign, Inc.

Valid from:
5/2/2014 5:00:00 AM

Valid to:
5/3/2015 4:59:59 AM

Subject:
CN=Appstein, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Appstein, 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:
06773AB7EC074782D28F824F3C5632C1

File PE Metadata
Compilation timestamp:
10/13/2014 4:37:04 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x11648

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, 43, 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, 48, 89, 5C, 24, 10, 48, 89, 7C, 24, 18, 55, 48, 8B, EC, 48, 83, EC, 60, 48, 8B, FA, 48, 8B, D9, 48, 8D, 4D, C0, 48, 8D, 15, 75, 00, 01, 00, 41, B8, 40, 00, 00, 00, E8, DA, F4, FF, FF, 48, 8D, 55, 10, 48, 8B, CF, 48, 89, 5D, E8, 48, 89, 7D, F0, E8, B6, DD...
 
[+]

Entropy:
6.1655

Code size:
128 KB (131,072 bytes)

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