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scantack.expext.dll

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module scantack.expext.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.
Publisher:
Scan Tack  (signed and verified)

Version:
1.0.5861.25896

MD5:
028ed19d7e1bec38b2b3a5ae97aa8c4c

SHA-1:
ef1964c5628cec78ff655ab11f114f6d12c5f809

SHA-256:
1a2cc78250bc28a4debf78394a0fd7aaa78b6eb2ae55a37516c734ebbad0734b

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:
5/18/2024 7:25:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.9.8

File size:
705.7 KB (722,672 bytes)

Product version:
1.0.5861.25896

Original file name:
2016011822.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\scantack\bin\plugins\scantack.expext.dll

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/4/2015 6:00:00 PM

Valid to:
3/5/2016 5:59:59 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:
1/18/2016 4:23:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0xB049A

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.5881

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
697.5 KB (714,240 bytes)

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