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firstoffer.exe

MinWare

First Offer LTD

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 firstoffer.exe, “Installer for MinWare” by First Offer has been detected as adware by 27 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:
House Of Soft  (signed by First Offer LTD)

Product:
MinWare

Description:
Installer for MinWare

Version:
2014.1.16.1559

MD5:
b6c73a71289d54edf526ef966aca3617

SHA-1:
99584c82a3d5a5aabd707bfd584d91c5d3cd8d5f

SHA-256:
b7dc083374aed7e693430e53e6909eab5d361c8b0e7c11eb4ce8441e1f85309a

Scanner detections:
27 / 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 3:30:16 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Kazy.324119
1036

Agnitum Outpost
PUA.InstalleRex
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.02.09

Avira AntiVirus
Adware/InstallRex.V
7.11.130.82

avast!
Win32:InstalleRex-AE [PUP]
2014.9-140404

AVG
MalSign.Skodna.Pick
2015.0.3514

Bitdefender
Gen:Variant.Kazy.324119
1.0.20.470

Bkav FE
HW32.CDB
1.3.0.4924

Comodo Security
Application.Win32.InstalleRex.KG
17759

Dr.Web
Adware.Downware.2108
9.0.1.094

Emsisoft Anti-Malware
Gen:Variant.Kazy.324119
8.14.04.04.09

ESET NOD32
Win32/InstalleRex
8.9400

Fortinet FortiGate
Riskware/InstalleRex
4/4/2014

F-Secure
Gen:Variant.Kazy.324119
11.2014-04-04_6

G Data
Gen:Variant.Kazy.324119
14.4.24

herdProtect (fuzzy)
variant of opton.exe (Adware)
2014.4.4.21

IKARUS anti.virus
AdWare.Downloader.InstallRex
t3scan.2.2.29

K7 AntiVirus
Trojan
13.175.11103

Kaspersky
Trojan.Win32.AntiFW
14.0.0.4066

Malwarebytes
PUP.Optional.Installrex
v2014.04.04.09

MicroWorld eScan
Gen:Variant.Kazy.324119
15.0.0.282

Qihoo 360 Security
HEUR/Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
Adware.WebPick.Installer.K
14.4.12.20

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14402

Sophos
InstallRex
4.96

Vba32 AntiVirus
Downloader.AdLoad
3.12.24.3

VIPRE Antivirus
Installerex/WebPick
26304

File size:
313 KB (320,528 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2014 House Of 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\firstoffer.exe

Digital Signature
Signed by:
First Offer LTD

Authority:
COMODO CA Limited

Valid from:
10/7/2013 5:00:00 PM

Valid to:
10/8/2014 4:59:59 PM

Subject:
CN=First Offer LTD, O=First Offer LTD, STREET=Habarzel 21 Tel Aviv, L=Tel aviv, S=Israel, PostalCode=69710, C=IL

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

Serial number:
49900242461D96CB7B045BE0A258338E

File PE Metadata
Compilation timestamp:
3/12/2013 1:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:crb9uEo2S1YnQmCX492DkwNP3qpYFl2YyPuFITzyccux7rnrOzprCoMJb:crRu6/eIo4t3PuFITKUAq

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:
7.9530

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://addoncommon.info/v1648

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=1510456&publisher_id=510&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=4531368&external_id=0&session_id=9062736&hardware_id=10573192&installer_file_name=firstoffer

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