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mcpatcher_installer.exe

STMSetup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mcpatcher_installer.exe by STMSetup has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from minecraft-downloads.com.
Publisher:
STMSetup  (signed and verified)

MD5:
659efc3e4c516a3ca3e80b5d467513b3

SHA-1:
cdf425731789a9c1d50e78a1ad9d8275b88332a6

SHA-256:
b8ed0647678b240b54ba9b39a6b574be55b7e101d1b7b921e170c1993dfa14b1

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/23/2024 10:21:00 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3468

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14521

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0141

ESET NOD32
Win32/InstallCore.OL (variant)
8.9809

Fortinet FortiGate
Riskware/InstallCore
5/21/2014

McAfee
Artemis!659EFC3E4C51
5600.7124

Reason Heuristics
PUP.STMSetup.T
14.7.17.9

Sophos
Install Core Click run software
4.98

Trend Micro House Call
TROJ_GEN.F47V0514
7.2.141

VIPRE Antivirus
InstallCore.b
29272

File size:
684.3 KB (700,760 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\mcpatcher_installer.exe

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/28/2014 2:00:00 AM

Valid to:
4/29/2015 1:59:59 AM

Subject:
CN=STMSetup, O=STMSetup, STREET=28 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
4CC8AF2C057FC32A3FA7F44EAADD7EEA

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:r/bFal2piPe8fbpJ3szM9nl1Rg92Ob08xkFXa/WykIokBLotB5fdv:r/bFL3GbpFsSnlBOBGY/oySlh

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
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Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file mcpatcher_installer.exe has been seen being distributed by the following URL.

http://minecraft-downloads.com/.../mcpatcher_installer.exe

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