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steelcut.boas.dll

Steel Cut

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module steelcut.boas.dll by Steel Cut has been detected as adware by 12 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Steel Cut  (signed and verified)

Version:
1.0.5585.43027

MD5:
3866358f4f782a09777f14afaa73943e

SHA-1:
d5025d47b8102b117850bca4f650ba26a341169b

SHA-256:
f4d07481afdac7cd9c6a6d7cf6970cf5ec4d5c097f436f68498d89f98c74a9dd

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
5/8/2024 2:03:13 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
3.6.1.96

AVG
Generic
2016.0.3133

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.15421

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.H potentially unwanted application
7.0.302.0

F-Prot
W32/S-35d3e685
v6.4.7.1.166

IKARUS anti.virus
PUA.MSIL.BrowseFox
t3scan.1.8.9.0

K7 AntiVirus
Adware
13.202.15655

Malwarebytes
PUP.Optional.Sanbreel.A
v2015.04.21.07

NANO AntiVirus
Riskware.Win32.BPlug.djpkri
0.30.20.1219

Reason Heuristics
Threat.Yontoo.SteelCut
15.4.21.3

File size:
3.2 MB (3,335,408 bytes)

Product version:
1.0.5585.43027

Original file name:
SteelCut.BOAS2015041807.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\steel cut\bin\plugins\steelcut.boas.dll

Digital Signature
Signed by:
Steel Cut

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 10:00:00 AM

Valid to:
1/12/2016 9:59:59 AM

Subject:
CN=Steel Cut, O=Steel Cut, 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:
0ABB826DEFFE019B3B61D91322DE992A

File PE Metadata
Compilation timestamp:
4/18/2015 5:54:19 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
98304:2YJUZMKbQ34Lp4PxZlOXHzZgze7wZJ/nFlhW2:2cUZMkQIOpGXTZkFZJ/n7ht

Entry address:
0x32E1FE

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...
 
[+]

Entropy:
7.8257

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

Code size:
3.2 MB (3,326,976 bytes)

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