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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 which inject ads in the browser. The application download.exe, “Installer for TopApp soft” by YL production has been detected as adware by 23 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:
TopApp soft  (signed by YL production)

Product:
TopApp soft

Description:
Installer for TopApp soft

Version:
2014.5.26.2303

MD5:
479e1b165b49f2b3e6386217046f1c48

SHA-1:
af34f41ced84a2974f2d34123834b90a7d9d6cca

SHA-256:
2e5afdd250786046568e674f2f89b0bd48a3f967f4bdbc2519f3f02691e0cf18

Scanner detections:
23 / 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:
4/27/2024 12:01:10 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.06.04

Avira AntiVirus
Adware/InstallRex.G
7.11.152.224

avast!
Win32:InstalleRex-BW [PUP]
140531-1

AVG
Generic
2015.0.3454

Bkav FE
HW32.CDB
1.3.0.4959

Comodo Security
Application.Win32.InstalleRex.KG
18337

Dr.Web
Adware.Downware.2108
9.0.1.0155

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
8.7.0.302.0

herdProtect (fuzzy)
variant of geometria_descriptiva.rar.exe (Adware)
2014.8.17.9

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3764

Malwarebytes
PUP.Optional.InstalleRex
v2014.06.04.06

McAfee
PUP-FHQ!479E1B165B49
5600.7110

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.59921

nProtect
Trojan/W32.StartPage.322560
14.06.04.01

Panda Antivirus
PUP/TSUploader
14.06.04.06

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
6.14.14.00

Reason Heuristics
Adware.WebPick.Installer.I
14.6.12.9

Rising Antivirus
PE:Trojan.AntiFW!6.17F7
23.00.65.14602

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Threat.4150696
29800

File size:
315 KB (322,560 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 TopApp soft

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:
YL production

Authority:
Unizeto Technologies S.A.

Valid from:
1/16/2014 12:49:26 AM

Valid to:
1/16/2015 12:49:26 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 3:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:mrYbUzkuvcBYC47l2xa6g4FhwjZd/9d1XKxlo/ecwrHs5j:mrdkuveY36kjZP/XKxlSZAHq

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:
7.9540

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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