blindbat.OfSvc.dll

blindbat

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

Version:
1.0.5380.9347

MD5:
dcbdf48182c10c6ec50174461b0823b2

SHA-1:
7508b7f2184a87dd8c1b4749c110923f0151f7ce

SHA-256:
af1b776940f0834e9e5e92015001c2c59146283fea202b1843ea312776e1c0e8

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:
4/16/2024 4:45:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.1.3.3

File size:
1.2 MB (1,274,648 bytes)

Product version:
1.0.5380.9347

Original file name:
blindbat.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 12:00:00 AM

Valid to:
11/27/2014 11:59:59 PM

Subject:
CN=blindbat, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=blindbat, 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:
0B7F97173CD91AC680AED809CA9B3B59

File PE Metadata
Compilation timestamp:
9/24/2014 7:12:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x1371B2

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00...
 
[+]

Entropy:
7.7607

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

Code size:
1.2 MB (1,266,176 bytes)

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