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hardcaseuninstall.exe

Hard Case

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application hardcaseuninstall.exe by Hard Case has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This is the uninstaller utility registered in the Windows Control Panel for the program Hard Case by Hard Case.
Publisher:
Hard Case  (signed and verified)

MD5:
036fcc22c5dffd8a628bf195fa285a89

SHA-1:
f6c8ba018c817e751d897170bc9c88b22fef3e19

SHA-256:
223a3f7165b2e29699e43c1d3d85e66eccc628a799165ded81e48d4630480ec4

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:
5/17/2024 2:34:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.11

File size:
242.2 KB (248,000 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\hard case\hardcaseuninstall.exe

Digital Signature
Signed by:
Hard Case

Authority:
VeriSign, Inc.

Valid from:
1/15/2015 3:00:00 AM

Valid to:
1/16/2016 2:59:59 AM

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:
12/6/2009 1:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8602

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

Program Uninstaller
Program name:
Hard Case

Display publisher:
Hard Case

Display version:
2015.08.29.120555

Uninstall string:
C:\Program Files (x86)\Hard Case\HardCaseuninstall.exe


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