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BatBrowse.OfSvc.dll

BatBrowse

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

Version:
1.0.5375.36339

MD5:
8fad939a0c2d84201739d282f99e9ec2

SHA-1:
0ba576b5938b6ab58804e440f292dec75a29c337

SHA-256:
6d56e0a4d7e1d36e21cdd1b4d48375f65de3cc5008eda559b60d2b26d59fd954

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:
5/15/2024 4:46:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.1

File size:
1.2 MB (1,274,656 bytes)

Product version:
1.0.5375.36339

Original file name:
BatBrowse.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
BatBrowse

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 2:00:00 AM

Valid to:
10/8/2014 1:59:59 AM

Subject:
CN=BatBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BatBrowse, 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:
3F7DCC78325FB87F0EDAB32A56DD2A54

File PE Metadata
Compilation timestamp:
9/19/2014 11:11:31 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x1371C2

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, 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, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00...
 
[+]

Entropy:
7.7621

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

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

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