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bizzybolt.ofsvc.dll

Bizzybolt

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

Version:
1.0.5465.32805

MD5:
93c7cb9d256d3c8cbc042ff8fda2a1e4

SHA-1:
abf7def9991d5abdd0f0fafe6a406c43dbc9521c

SHA-256:
addc36c9e76c09ae83e8bb797e1ae3949248864d82c89af9184fa39d01d878d2

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:
1/12/2025 4:22:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Bizzybolt (M)
16.2.13.22

File size:
1.5 MB (1,581,808 bytes)

Product version:
1.0.5465.32805

Original file name:
Bizzybolt.OfSvc2014121902.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
Bizzybolt

Authority:
VeriSign, Inc.

Valid from:
11/5/2014 1:00:00 AM

Valid to:
12/6/2015 12:59:59 AM

Subject:
CN=Bizzybolt, O=Bizzybolt, L=Santa Monica, 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:
470ECE4348EF28A235A2D9E57351E91B

File PE Metadata
Compilation timestamp:
12/19/2014 3:13:36 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:9GsxA9taUSB/xau6NhENpK1a2SHqdTQ39DiMjwwRuxrlInZJhsdL4J7o+HMXxN:xa9taUSB84H/NDn8quNlIn7mmJ7jMf

Entry address:
0x182012

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, 72, 00, 00, 00, 54, 20, 18, 00, 54, 02, 18, 00, 52, 53, 44, 53, 75, 20, E7, 20, F7, DF, 84, 44, B7, F4, 0C, 3C, 2D, 1D, F7, BC, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 61, 65, 76, 33, 73, 6D, 67, 64, 2E, 62, 64, 31, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

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

Code size:
1.5 MB (1,573,376 bytes)

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