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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 using the JustPlug.it browser framework. The application download.exe, “Installer for Teddy App” by Alexey Kurilenko has been detected as adware by 30 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:
Teddy App  (signed by Alexey Kurilenko)

Product:
Teddy App

Description:
Installer for Teddy App

Version:
2014.7.3.1536

MD5:
40830cef792c2b903a5cb9a6b971fa35

SHA-1:
7485cff27f55217ef88d0300f625a9700d2c6b44

Scanner detections:
30 / 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:
4/24/2024 5:51:53 AM UTC  (today)

Scan engine
Detection
Engine version

AegisLab AV Signature
Troj.W32.AntiFW
2.1.4+

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.09.01

Avira AntiVirus
ADWARE/InstallRex.Gen
7.11.170.50

avast!
Win32:InstalleRex-DC [PUP]
2014.9-160127

AVG
Generic
2017.0.2851

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Trojan.Antifw-50
0.98/19317

Comodo Security
Application.Win32.InstalleRex.KG
19377

Dr.Web
Trojan.WebPick.2735
9.0.1.027

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Riskware/Generic.AC.4161048
1/27/2016

F-Prot
W32/InstallRex.B
v6.4.6.5.141

G Data
Win32.Application.InstalleRex
16.1.24

IKARUS anti.virus
AdWare.SaveNet
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.183.13218

Kaspersky
Trojan.Win32.AntiFW
14.0.0.751

Malwarebytes
PUP.Optional.Installrex
v2016.01.27.07

McAfee
PUP-FHQ
5600.6507

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.2.61861

nProtect
Trojan/W32.AntiFW.322864
14.08.31.01

Panda Antivirus
PUP/TSUploader
16.01.27.07

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
1.16.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
16.1.27.19

Rising Antivirus
PE:Trojan.AntiFW!6.197C
23.00.65.16125

Sophos
MultiPlug
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
32210

Zillya! Antivirus
Trojan.AntiFW.Win32.406
2.0.0.1925

File size:
315.2 KB (322,792 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 Teddy App

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Digital Signature
Signed by:
Alexey Kurilenko

Authority:
Unizeto Technologies S.A.

Valid from:
6/17/2014 7:20:17 AM

Valid to:
6/17/2015 7:20:17 AM

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 2:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:7rYbUzkuvcBYC47l2xFSW06Wo8bmsQ1vYjU5B4QIU:7rdkuveY3ASW0loUA1vYS4QIU

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 URL.

http://applicationgrabb.net/d99728b463bfef8316001a23cb97afa0/braba/dl.php?id=1404490660201310463&r=http://newcreditcardgrab.info/.../?&q=Download&product_name=Download&installer_file_name=Download&q=Download&__rnd=6d026bd71f83dd49ea2410c4a638e812

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=54116736&publisher_id=411&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=162350208&external_id=0&session_id=324700416&hardware_id=378817152&installer_file_name=download

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