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download.exe

YL production

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. The application download.exe, “Installer for Application fields Software” 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:
Application fields Software  (signed by YL production)

Product:
Application fields Software

Description:
Installer for Application fields Software

Version:
2014.6.2.1205

MD5:
b41888c4edc9403dfe57ec172a45481d

SHA-1:
2279f655abbdd116b925037ecec4936c8601b072

SHA-256:
dace468f0a47e31d26a055b9fd2ac927ede1a8bb26991ca0e95b645e95937e4d

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 4:12:38 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11352795
924

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.06.15

Avira AntiVirus
TR/Visucius.20
7.11.153.56

avast!
Win32:InstalleRex-BW [PUP]
140617-1

AVG
Generic
2015.0.3402

Bitdefender
Trojan.Generic.11352795
1.0.20.1035

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Trojan.Installerex-2
0.98/19185

Comodo Security
Application.Win32.InstalleRex.KG
18442

Dr.Web
Trojan.WebPick.2579
9.0.1.05190

Emsisoft Anti-Malware
Trojan.Generic.11352795
8.14.07.26.02

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

F-Secure
Trojan.Generic.11352795
11.2014-26-07_7

G Data
Win32.Application.InstalleRex
14.7.24

IKARUS anti.virus
PUA.LebDev
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.1712403

Kaspersky
Trojan.Win32.AntiFW
15.0.0.494

Malwarebytes
PUP.Optional.InstalleRex
v2014.07.26.02

McAfee
PUP-FHQ!37A8F247EEDD
5600.7058

MicroWorld eScan
Trojan.Generic.11352795
15.0.0.621

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.60100

nProtect
Trojan.Generic.11352795
14.06.13.01

Panda Antivirus
PUP/TSUploader
14.07.26.02

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
14.7.26.2

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.0

VIPRE Antivirus
Threat.4150696
29800

Zillya! Antivirus
Trojan.AntiFW.Win32.250
2.0.0.1825

File size:
315 KB (322,592 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 Application fields Software

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

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

Digital Signature
Signed by:
YL production

Authority:
Unizeto Technologies S.A.

Valid from:
1/16/2014 8:49:26 AM

Valid to:
1/16/2015 8:49:26 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 10:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:vrYbUzkuvcBYC47l2xSHyxdphxUIdRyZBBMX9v9y8DBMu:vrdkuveY354dH3diBMX9v9NF

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:
7.9551

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 URL.

http://iframe.guidehoome.com/c9686261971d6dce5e48dad9ffb14e9b/aq_b/dl.php?id=1401727886928586001&r=http://getapplicationmy.info/.../?&q=Download&product_name=Download&installer_file_name=Download&id=1401727886928586001&d=2145&q=Download&__rnd=7972518a9bd885f156ec1351f1021d43&q=Download&affiliate_id=Adz&__rnd=e3bf2ff2be411e92d840c842a4e36f6b

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

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

TCP (HTTP):
Connects to c1.stylezip.info  (54.186.255.26:80)

 
http://c1.stylezip.info/?step_id=1&installer_id=8203004&publisher_id=203&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=24609012&external_id=0&session_id=49218024&hardware_id=57421028&installer_file_name=download

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