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ScanTack.exe

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file ScanTack.exe 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:
1.0.5392.26658

MD5:
812db05d46165ef12e012e13bb66c1a5

SHA-1:
4159e2b272543d5123e8b380c98385c2763c5b97

SHA-256:
138d4a2c215e46265b31d2d9385cc3398709c59e6f4ebd456d7bba9c16b4c0e0

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:
4/24/2024 5:20:40 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.6.19

File size:
510.3 KB (522,528 bytes)

Product version:
1.0.5392.26658

Original file name:
ScanTack.exe

Common path:
C:\Program Files\scantack\bin\tmpace2.tmp

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/21/2014 6:00:00 PM

Valid to:
1/22/2015 5:59:59 PM

Subject:
CN=Scan Tack, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
44D91A3142283CE62B23F23C84838B0D

File PE Metadata
Compilation timestamp:
10/6/2014 5:48:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7F486

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, 02, 00, 00, 00, 5B, 00, 00, 00, C8, F4, 07, 00, C8, D6, 07, 00, 52, 53, 44, 53, DD, 0C, 60, 22, FB, 3E, 9C, 40, 9F, C1, 18, 2D, DD, 4B, 15, 15, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 31, 61, 6A, 6E, 6B, 70, 68, 71, 2E, 31, 63, 61, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.9264

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

Code size:
501.5 KB (513,536 bytes)

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