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b97ce8fa0be14b738ac664.dll

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module b97ce8fa0be14b738ac664.dll by GreyGray has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
GreyGray  (signed and verified)

MD5:
16265e456935d901bf4a2fcdb2fb53d7

SHA-1:
5333ff9fa0c9d4a8f046157f7aa725b7920d1a95

SHA-256:
934074ba99d929714aa5a2dfd9dafe41adc91847db6da293884c07b65dce2646

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:
4/19/2024 12:38:56 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.GreyGray (M)
16.2.15.18

File size:
192.3 KB (196,888 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\greygray\bin\b97ce8fa0be14b738ac664.dll

Digital Signature
Signed by:
GreyGray

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 1:00:00 AM

Valid to:
9/20/2015 12:59:59 AM

Subject:
CN=GreyGray, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=GreyGray, 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:
23FF62A16C638B371A4AB98A8F876E8B

File PE Metadata
Compilation timestamp:
1/11/2015 12:51:18 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:eqXmdzkYZFmxXTtHSJKL/z6LBL/xHnKGMHAdywn0+6:dWl+GVgwn0N

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:
6.1835

Code size:
128 KB (131,072 bytes)

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