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download.exe

Sergey Petrov

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 GreenApp” by Sergey Petrov has been detected as adware by 35 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:
GreenApp  (signed by Sergey Petrov)

Product:
GreenApp

Description:
Installer for GreenApp

Version:
2014.3.30.1503

MD5:
89be0c8f4685897b50e9566b3f640c5b

SHA-1:
148034708a1b2a6f64410114380b2c21f2eb357c

SHA-256:
bfc1186fea33ffe3df571ea0f331f5b747de65cbbd6771adab1648238d8a49f5

Scanner detections:
35 / 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:
4/23/2024 5:24:39 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11217952
859

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
14.09.29

Avira AntiVirus
TR/Kazy.324119.11
7.11.147.170

avast!
Win32:InstalleRex-BI [PUP]
2014.9-140929

AVG
MalSign.Generic
2015.0.3337

Bitdefender
Trojan.Generic.11217952
1.0.20.1360

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Trojan.Antifw-11
0.98/19452

Comodo Security
Application.Win32.InstalleRex.KG
18222

Dr.Web
Trojan.WebPick.29
9.0.1.0272

Emsisoft Anti-Malware
Trojan.Generic.11217952
8.14.09.29.03

ESET NOD32
Win32/InstalleRex (variant)
8.9760

F-Prot
W32/InstallRex.B.gen
v6.4.7.1.166

F-Secure
Trojan.Generic.11217952
11.2014-29-09_2

G Data
Trojan.Generic.11217952
14.9.24

herdProtect (fuzzy)
variant of hot virtual keyboard v8.1.5.0 multilingual with licensekeys - softwares update.exe (Adware)
2014.12.10.8

IKARUS anti.virus
AdWare.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.177.11984

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3179

Malwarebytes
PUP.Optional.Installrex
v2014.09.29.03

McAfee
PUP-FHQ!8F637CDEB917
5600.6993

MicroWorld eScan
Trojan.Generic.11217952
15.0.0.816

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.59608

nProtect
Trojan.Generic.11217952
14.05.04.01

Panda Antivirus
PUP/TSUploader
14.09.29.03

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
14.9.29.3

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14927

Sophos
InstallRex
4.98

SUPERAntiSpyware
Adware.InstallRex/Variant
10331

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
28896

Zillya! Antivirus
Trojan.AntiFW.Win32.138
2.0.0.1779

File size:
316.1 KB (323,712 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 GreenApp

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:
Sergey Petrov

Authority:
COMODO CA Limited

Valid from:
8/21/2013 3:00:00 AM

Valid to:
8/22/2014 2:59:59 AM

Subject:
CN=Sergey Petrov, O=Sergey Petrov, STREET=Gaydara 13, L=Kyev, S=Kyev, PostalCode=01033, C=UA

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
0AD084E865D27CD546D21DB6EDF89D48

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:zr/bUzkuvcBYC47l2xij4YTfpczmap8spMPed0VdtM9BdjhYz:zr0kuveY3cY1cia66MGd0Vs9BdNY

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:
7.9499

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://appllicatiionew.com/.../?&q=Download&product_name=Download&installer_file_name=Download&external_id=1396306942287925726&self_redirect=1

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=11065938&publisher_id=106&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=33197814&external_id=0&session_id=66395628&hardware_id=77461566&installer_file_name=download

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