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utilhardcase.exe

Hard Case

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilhardcase.exe by Hard Case has been detected as adware by 7 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Util Hard Case”. 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:
Hard Case  (signed and verified)

Version:
1.0.5626.11636

MD5:
55145440749b5171037531cb5d6801c5

SHA-1:
bebf84ce258d6dffea6179bd7f93bd04c2e60c0c

SHA-256:
471030296de48785e27c2a01190d5d9bb3a6bf4b997407d91f152d7fd8639ae7

Scanner detections:
7 / 68

Status:
Adware

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

Analysis date:
4/25/2024 8:29:26 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.05.29

Avira AntiVirus
ADWARE/BrowseFox.Gen7
8.3.1.6

AVG
BrowseFox
2016.0.3095

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.15528

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

F-Prot
W32/S-c2884e20
v6.4.7.1.166

IKARUS anti.virus
PUA.MSIL.BrowseFox
t3scan.1.9.2.0

File size:
641.7 KB (657,136 bytes)

Product version:
1.0.5626.11636

Original file name:
HardCase2015052814.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\hard case\bin\utilhardcase.exe

Digital Signature
Signed by:
Hard Case

Authority:
VeriSign, Inc.

Valid from:
1/14/2015 7:00:00 PM

Valid to:
1/15/2016 6:59:59 PM

Subject:
CN=Hard Case, O=Hard Case, 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:
7C1DB5A1A650117480FBF9A10940013A

File PE Metadata
Compilation timestamp:
5/28/2015 10:28:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:4Ig6iZKV+dal+Sf7Dy0GUxCkjvjj1cHpxJrOlHgNEFCHmw7PxQgJjDkOfL6a/TJZ:Hg3KVH97DBGUxBjvXiDJGaXxpJjzLYw

Entry address:
0xA0336

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:
633 KB (648,192 bytes)

Service
Display name:
Util Hard Case

Type:
Win32OwnProcess


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