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download.exe

Alexey Kurilenko

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 EZSoftware” by Alexey Kurilenko has been detected as adware by 26 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:
EZSoftware  (signed by Alexey Kurilenko)

Product:
EZSoftware

Description:
Installer for EZSoftware

Version:
2014.7.23.2001

MD5:
0b5ced4080f837a113234042c188abe4

SHA-1:
e1859a9c0437f570665ef29fea3f71d4cc0d7c35

SHA-256:
185c81e94bc8e89dd8d3fe00a785b94651e3f823ced80ef705a30fc31b1423f5

Scanner detections:
26 / 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:
4/25/2024 12:49:49 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.09.02

Avira AntiVirus
Adware/InstallRex.Z
7.11.170.102

avast!
Win32:InstalleRex-CH [PUP]
140813-1

AVG
Generic
2015.0.3364

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Comodo Security
Application.Win32.InstalleRex.KG
19393

Dr.Web
Trojan.WebPick.2735
9.0.1.05190

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
7.0.302.0

F-Prot
W32/InstallRex.B
4.6.5.141

G Data
Win32.Application.InstalleRex
14.9.24

IKARUS anti.virus
AdWare.SaveNet
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.183.13230

Kaspersky
Trojan.Win32.AntiFW
15.0.0.463

Malwarebytes
PUP.Optional.Installrex
v2014.09.01.08

McAfee
PUP-FMK
5600.7020

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.2.61942

nProtect
Trojan/W32.AntiFW.321776
14.09.01.01

Panda Antivirus
PUP/TSUploader
14.09.01.08

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
9.14.14.00

Reason Heuristics
Adware.WebPick.Installer.I
14.9.1.18

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
32210

Zillya! Antivirus
Trojan.AntiFW.Win32.477
2.0.0.1908

File size:
314.2 KB (321,776 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 EZSoftware

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:
Alexey Kurilenko

Authority:
Unizeto Technologies S.A.

Valid from:
6/17/2014 2:20:17 PM

Valid to:
6/17/2015 2:20:17 PM

Subject:
E=Alexey.kurilenko@hotmail.com, CN=Alexey Kurilenko, O=Alexey Kurilenko, C=RU

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

Serial number:
15D51642691B3EE20985639A8FE865DD

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:2rfbUzkuvcBYC47l2xMrJO/KNYtlENexAYl47LtOBxLTKg/B:2rUkuveY3FVHNYt72gd/B

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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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