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uTorrent_Rus_Setup.exe

STMSetup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application uTorrent_Rus_Setup.exe by STMSetup has been detected as adware by 15 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 ic2.ic-cdn.net.
Publisher:
STMSetup  (signed and verified)

MD5:
6f6a3793a145d781e979e7e423879137

SHA-1:
4578f42eee719c4a2f418fced69a6b0c5dbb0381

SHA-256:
06a74c9aacedd8c32cbab000e1631534a3d32c8ce7ff40e6249f1aec9de640f9

Scanner detections:
15 / 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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/24/2025 8:49:38 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3383

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.14814

Comodo Security
UnclassifiedMalware
18767

Dr.Web
Trojan.MulDrop5.10078
9.0.1.0226

ESET NOD32
Win32/InstallCore.ON (variant)
8.9847

Fortinet FortiGate
Riskware/InstallCore
8/14/2014

herdProtect (fuzzy)
variant of winrar_x64_rus_setup.exe (Adware)
2014.10.28.22

K7 AntiVirus
Unwanted-Program
13.180.12626

McAfee
Artemis!77FF82965259
5600.7039

Norman
InstallCore.CERT
11.20140814

Reason Heuristics
PUP.Installer.STMSetup.S
14.8.14.6

Sophos
Install Core Click run software
4.98

Trend Micro House Call
TROJ_GEN.F47V0506
7.2.226

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
InstallCore.b
28916

File size:
662.2 KB (678,104 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
STMSetup

Authority:
COMODO CA Limited

Valid from:
4/27/2014 5:00:00 PM

Valid to:
4/28/2015 4:59:59 PM

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:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:PJlvpy2fGYAVzEQqtI4JdqzENw2ejYCoPqcECYkcD5y+wHNCid:PJlvg2fGYAVzE5IwdqzES9jYHqN4cDwT

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, 53, C9, FF, FF, E8, 9A, 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...
 
[+]

Entropy:
7.8545

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://ic2.ic-cdn.net/.../uTorrent_Rus_Setup.exe

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