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ttessab.ofsvc.dll

Ttessab

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

Version:
1.0.5586.12671

MD5:
b48575348a1a9fd273f63a3f2d3eba57

SHA-1:
21f8f5da78ee514abc2d2f3486bb2c7d5734a49a

SHA-256:
99ff9e317df4a4527121a2ff5c900c33ee0b968673ae3ec88fe96dd923626c78

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:
5/17/2024 7:51:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.7

File size:
2.4 MB (2,518,808 bytes)

Product version:
1.0.5586.12671

Original file name:
Ttessab.OfSvc2015041815.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\ttessab\bin\plugins\ttessab.ofsvc.dll

Digital Signature
Signed by:
Ttessab

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 3:00:00 AM

Valid to:
9/20/2015 2:59:59 AM

Subject:
CN=Ttessab, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Ttessab, 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:
198AA4CA33AF1FC06C47646A032C938B

File PE Metadata
Compilation timestamp:
4/18/2015 6:02:30 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x266C62

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...
 
[+]

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

Code size:
2.4 MB (2,510,336 bytes)

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