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download.exe

Ruslan Murobec

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 TopApp software” by Ruslan Murobec has been detected as adware by 15 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 software  (signed by Ruslan Murobec)

Product:
TopApp software

Description:
Installer for TopApp software

Version:
2014.5.23.1127

MD5:
f1f144e78abddfd9159a007dffdca58d

SHA-1:
1ca88978750d7cef4ac31f23ecbc7f697732807e

SHA-256:
053bdd8888e6d822a69687ebdc8efb74db1cb6dc5bf20fea1427e3c9e2b02ddf

Scanner detections:
15 / 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 7:13:49 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
TR/AntiFW.b.109
7.11.151.96

avast!
Win32:InstalleRex-BT [Trj]
2014.9-150925

Comodo Security
Application.Win32.InstalleRex.KG
18318

Dr.Web
Adware.Downware.2108
9.0.1.0225

ESET NOD32
Win32/InstalleRex.M potentially unwanted application
9.7.0.302.0

herdProtect (fuzzy)
variant of windows 7 permanent activator loader extreme edition v3 full version.exe (Adware)
2015.9.25.3

Kaspersky
Trojan.Win32.AntiFW
14.0.0.1588

Malwarebytes
PUP.Optional.InstalleRex
v2015.08.13.10

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.59921

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
9.15.14.00

Reason Heuristics
Adware.WebPick.Installer (M)
15.8.13.10

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Threat.4150696
29560

File size:
315 KB (322,576 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 TopApp 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:
Ruslan Murobec

Authority:
COMODO CA Limited

Valid from:
9/10/2013 12:00:00 AM

Valid to:
9/10/2014 11:59:59 PM

Subject:
CN=Ruslan Murobec, O=Ruslan Murobec, STREET=Chistyakovska 1, L=Kiev, S=Kiev, PostalCode=02593, C=UA

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

Serial number:
00A607FE6C9BAF18511288BD2284B7669A

File PE Metadata
Compilation timestamp:
3/12/2013 7:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:UrYbUzkuvcBYC47l2xLnvhueEZdkKQ3+7Oj7hTOVA1HWZo:UrdkuveY3CvI5Zdkj6OEu1HSo

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 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=26608840&publisher_id=660&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=79826520&external_id=0&session_id=159653040&hardware_id=186261880&installer_file_name=download

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