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91c8fa2b64974e95a79564.dll

qualitink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 91c8fa2b64974e95a79564.dll by qualitink has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
qualitink  (signed and verified)

MD5:
2190bb7cf379280cdda373523256cdf6

SHA-1:
26c8635fe76423368add61107a3bfeddfccd8474

SHA-256:
f599b7c16c0153de01fb73ffc8a35978cf0e34e93802b58ace643b784c014aa2

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:
4/25/2024 4:18:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.qualitink (M)
16.2.9.11

File size:
192.3 KB (196,896 bytes)

File type:
Dynamic link library (Win64 DLL)

Common path:
C:\Program Files\qualitink\bin\91c8fa2b64974e95a79564.dll

Digital Signature
Signed by:
qualitink

Authority:
VeriSign, Inc.

Valid from:
9/18/2013 5:00:00 PM

Valid to:
9/19/2015 4:59:59 PM

Subject:
CN=qualitink, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=qualitink, 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:
0E5E2B6947A31815C876634E7DEC4B4E

File PE Metadata
Compilation timestamp:
1/11/2015 3:51:18 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:jqXmdzkYZFmxXTtHSJKL/z6LBL/xHnKGMHAdywn0:+Wl+GVgwn0

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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