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down_installer_utorrent_portuguese.exe

7-Zip

Free Software LLC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application down_installer_utorrent_portuguese.exe by Free Software has been detected as adware by 7 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 utorrent.begin.pro.
Publisher:
Igor Pavlov  (signed by Free Software LLC)

Product:
7-Zip

Description:
7z 安装自释放

Version:
9.20

MD5:
497c4e6cde82156c86b78d530a17cd12

SHA-1:
4dc603345e63181e4fa98a354219fe7f1a935719

SHA-256:
32f12066783ef6b1c456f0e163d348e764eaa7a18770f3d4d43d726166a93ba0

Scanner detections:
7 / 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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/19/2024 12:30:41 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3366

Dr.Web
infected with Trojan.Packed.28459
9.0.1.05190

ESET NOD32
Win32/InstallCore.QH (variant)
8.10341

F-Prot
W32/InstallCore.AC.gen
v6.4.7.1.166

Malwarebytes
PUP.Optional.InstallCore
v2014.08.31.02

Reason Heuristics
PUP.FreeSoftware.c
14.8.31.0

VIPRE Antivirus
Threat.4782551
32210

File size:
872.9 KB (893,808 bytes)

Product version:
9.20

Copyright:
版权所有 © 1999-2010 Igor Pavlov

Original file name:
7zS.sfx.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Language:
Chinese

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

Digital Signature
Signed by:
Free Software LLC

Authority:
Starfield Technologies, Inc.

Valid from:
8/1/2014 6:08:01 AM

Valid to:
7/22/2015 7:23:49 AM

Subject:
CN=Free Software LLC, O=Free Software LLC, L=Wilmington, S=Delaware, C=US

Issuer:
SERIALNUMBER=10688435, CN=Starfield Secure Certification Authority, OU=http://certificates.starfieldtech.com/repository, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
27DD6AADCC34E6

File PE Metadata
Compilation timestamp:
11/18/2010 1:27:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:+ddFMz0EFaF0JYsogmB7/aYZ+OWxI7brCXIB/svGfM2LLwMyE:+dd6z0Aods2B7yrtUO8/s+fLAfE

Entry address:
0x1373C

Entry point:
55, 8B, EC, 6A, FF, 68, 28, 69, 41, 00, 68, 36, 37, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, EC, 60, 41, 00, 59, 83, 0D, 24, C9, 41, 00, FF, 83, 0D, 28, C9, 41, 00, FF, FF, 15, F0, 60, 41, 00, 8B, 0D, 14, A9, 41, 00, 89, 08, FF, 15, F4, 60, 41, 00, 8B, 0D, 10, A9, 41, 00, 89, 08, A1, F8, 60, 41, 00, 8B, 00, A3, 20, C9, 41, 00, E8, E0, 5E, FF, FF, 39, 1D, 00, A7, 41, 00, 75, 0C, 68, C4, 38, 41, 00, FF, 15, FC, 60...
 
[+]

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
81 KB (82,944 bytes)

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

http://utorrent.begin.pro/.../download?p=EXOCLICKworldwide&trckid=NTQ2OTk5fHRoZXBpcmF0ZWJheS5zZXxCUkF8fDg0NzkyMjR8YWRleHBydHwxOTUwODV8NTIyNjAzfDE4OS41OS41OC4xNjV8NDcyfDR8fDEyOXwyfDF8fDB8Mnw3Mjh4OTB8MQ==

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