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9c915fae-c99d-474e-9f50-4f1e0aa093f5.dll

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module 9c915fae-c99d-474e-9f50-4f1e0aa093f5.dll by Scan Tack 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:
Scan Tack  (signed and verified)

MD5:
698576216945f77d57a9b7d4925c9a9e

SHA-1:
a2b3ba2ad586dcf652018e9489719c00989d6e94

SHA-256:
d2605445c1673a5103c97d4477c7e028d1731e44b7bfd85ec9769f5425d6c2c2

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:
12/24/2024 11:54:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.7.22

File size:
55.7 KB (57,072 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\9c915fae-c99d-474e-9f50-4f1e0aa093f5.dll

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/4/2015 7:00:00 PM

Valid to:
3/5/2016 6:59:59 PM

Subject:
CN=Scan Tack, O=Scan Tack, 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:
3189867C5406A0187436F786B38369D7

File PE Metadata
Compilation timestamp:
3/3/2016 5:54:45 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x8F3A

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, A9, 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, A0, B7, 00, 10, E8, C7, 04, 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, DC, D1, 00, 10, 0F, 84, D4, 00, 00, 00, 3B, F8, 74, 05, 83, FF, 02, 75, 38, A1, 2C, A4, 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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
35.5 KB (36,352 bytes)

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