dan.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 dan.exe, “Installer for HostIt” by Sergey Petrov has been detected as adware by 20 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:
HostIt  (signed by Sergey Petrov)

Product:
HostIt

Description:
Installer for HostIt

Version:
2014.3.6.1801

MD5:
bf6b9614e6e3fafc251311d5e23c43e2

SHA-1:
56769220361f57a6d594f2dcfb2a2ab516a5e81a

SHA-256:
1046c90ce414c936866d9daf480e2da260298bad572888f30c5a994bc428c4c7

Scanner detections:
20 / 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:
4/26/2024 9:19:45 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
14.04.24

Avira AntiVirus
Adware/InstallRex.FBS
7.11.145.40

avast!
Win32:Installer-AP [PUP]
2014.9-140424

AVG
MalSign.Generic
2015.0.3495

Comodo Security
Application.Win32.InstalleRex.KG
18160

Dr.Web
Trojan.WebPick.29
9.0.1.0114

ESET NOD32
Win32/InstalleRex (variant)
8.9717

G Data
Win32.Application.EZDownloader
14.4.24

K7 AntiVirus
Unwanted-Program
13.176.11873

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3968

Malwarebytes
PUP.Optional.Installex
v2014.04.24.11

McAfee
PUP-FHQ!BF6B9614E6E3
5600.7151

NANO AntiVirus
Riskware.Win32.Downware.cvftun
0.28.0.59492

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
Adware.WebPick.Installer.D
14.4.24.11

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14422

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Generic
28570

File size:
315.2 KB (322,776 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 HostIt

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
8/21/2013 1:00:00 AM

Valid to:
8/22/2014 12:59:59 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 8:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:7rq/bUzkuvcBYC47l2x3JI3VTaaKE7mTo95vC9Ek/1hvyF5:7rq0kuveY3LlOTV89c9RyF5

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:
7.9509

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file dan.exe has been seen being distributed by the following URL.

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=4304622&publisher_id=304&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=12913866&external_id=0&session_id=25827732&hardware_id=30132354&installer_file_name=dan

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