download.exe

YL production

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application download.exe, “Installer for BrilliantInstaller” by YL production has been detected as adware by 31 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. The setup program uses Web-Pick's InstalleRex download manager and installer to bundle potentially unwanted ad-supported software which includes toolbars and browser extensions through a pay-per-install monetization scheme.
Publisher:
BrilliantInstaller  (signed by YL production)

Product:
BrilliantInstaller

Description:
Installer for BrilliantInstaller

Version:
2014.6.4.1630

MD5:
0bb3a10c75ae402318ebe8522bc0c044

SHA-1:
7c5724a0b28ff36342c9c9af75e041a320032cb2

SHA-256:
80f93c2419fa1a1479a46fc5f4864ea855920b4a8a68202a3b35fdb4d769bcd4

Scanner detections:
31 / 68

Status:
Adware

Explanation:
Uses the InstalleRex from WebPick Internet Holdings to install bundled add-ons including toolbars and other web browser extensions.

Analysis date:
4/26/2024 10:59:18 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11372550
921

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.07.29

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.153.56

avast!
Win32:InstalleRex-BW [PUP]
2014.9-140729

AVG
Generic
2015.0.3399

Bitdefender
Trojan.Generic.11372550
1.0.20.1050

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Trojan.Antifw
0.98/19185

Comodo Security
Application.Win32.InstalleRex.KG
18444

Dr.Web
Trojan.WebPick.2579
9.0.1.0210

Emsisoft Anti-Malware
Trojan.Generic.11372550
8.14.07.29.09

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
8.7.0.302.0

F-Secure
Trojan.Generic.11372550
11.2014-29-07_3

G Data
Trojan.Generic.11372550
14.7.24

IKARUS anti.virus
PUA.LebDev
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.181.12872

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3488

Malwarebytes
PUP.Optional.InstalleRex
v2014.07.29.09

McAfee
PUP-FHQ
5600.7055

MicroWorld eScan
Trojan.Generic.11372550
15.0.0.630

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.60100

nProtect
Trojan/W32.AntiFW.322592
14.06.05.01

Panda Antivirus
PUP/TSUploader
14.07.29.09

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
7.14.14.00

Reason Heuristics
Adware.WebPick.Installer.I
14.8.1.0

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.0

VIPRE Antivirus
Threat.4150696
29800

File size:
315 KB (322,584 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 BrilliantInstaller

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Digital Signature
Signed by:

Authority:
Unizeto Technologies S.A.

Valid from:
1/16/2014 1:49:26 AM

Valid to:
1/16/2015 1:49:26 AM

Subject:
E=Lebedev72@hotmail.com, CN="Open Source Developer, Yuri LEBEDEV", O=YL production, C=RU

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
284B7B8274AFC7E851A73B98B619311F

File PE Metadata
Compilation timestamp:
3/12/2013 4:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Gr2bUzkuvcBYC47l2xib6HwzFyytCr88oDG1GI25i1snqq0B:Gr/kuveY3dGwUECr88oDG1GIS+bq0B

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Entropy:
7.9527

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file download.exe has been seen being distributed by the following 2 URLs.

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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