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removewat 2.2.6.exe

Yakov Cohen

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 removewat 2.2.6.exe, “Installer for StarApp” by Yakov Cohen has been detected as adware by 34 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:
StarApp  (signed by Yakov Cohen)

Product:
StarApp

Description:
Installer for StarApp

Version:
2013.7.23.2048

MD5:
7a27fc4fe81ba578574c9de3bc0e6d93

SHA-1:
dbb2955a80d27473ebae25ad69611ec45b032c6d

SHA-256:
33a655202a6ced8b286d07ff282963cdb6c590e3201290319486fb739b583af6

Scanner detections:
34 / 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 1:55:30 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.InstallRex.2
5654257

Agnitum Outpost
Adware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2015.06.04

Avira AntiVirus
ADWARE/InstallRex.Gen
8.3.1.6

Arcabit
Trojan.Application.Bundler.InstallRex.2
1.0.0.425

avast!
Win32:InstalleRex-X [PUP]
150602-1

Bitdefender
Gen:Variant.Application.Bundler.InstallRex.2
1.0.20.775

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.560923
0.98/20550

Comodo Security
Application.Win32.InstalleRex.KG
22334

Dr.Web
Adware.Downware.1166
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.InstallRex
10.0.0.5366

ESET NOD32
Win32/InstalleRex.J potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
6/4/2015

F-Prot
W32/InstallRex.B
4.6.5.141

F-Secure
Riskware.Gen:Variant.Application.Bundler
5.14.151

G Data
Gen:Variant.Application.Bundler.InstallRex
15.6.25

IKARUS anti.virus
Trojan.AntiFW
t3scan.1.9.5.0

K7 AntiVirus
Unwanted-Program
13.204.16140

Malwarebytes
PUP.Optional.Installex
v2015.06.04.12

McAfee
Program.PUP-FHQ
18.0.204.0

MicroWorld eScan
Gen:Variant.Application.Bundler.InstallRex.2
16.0.0.465

NANO AntiVirus
Riskware.Win32.Agent.credqn
0.30.24.1636

Norman
Gen:Variant.Application.Bundler.InstallRex.2
02.06.2015 14:23:46

nProtect
Trojan-Clicker/W32.Agent.300224
15.06.04.01

Panda Antivirus
PUP/TSUploader
15.06.04.12

Quick Heal
Trojan.AntiFW.B5
6.15.14.00

Reason Heuristics
Adware.AdInjector.Installer.WebPick
15.6.4.11

Rising Antivirus
PE:Trojan.DL.Win32.AntiFW.a!1075355932
23.00.65.15602

Sophos
PUA 'InstallRex'
5.15

SUPERAntiSpyware
Adware.InstalleRex/Variant
9834

Vba32 AntiVirus
AdWare.Agent
3.12.26.4

VIPRE Antivirus
WebPI
40824

Zillya! Antivirus
Backdoor.Clack.Win32.203
2.0.0.2206

File size:
293.2 KB (300,224 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 StarApp

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\removewat 2.2.6.exe

Digital Signature
Signed by:
Yakov Cohen

Authority:
COMODO CA Limited

Valid from:
8/2/2012 3:00:00 AM

Valid to:
8/3/2013 2:59:59 AM

Subject:
CN=Yakov Cohen, O=Yakov Cohen, STREET=Rodenski 10, L=Tel Aviv, S=Israel, PostalCode=69360, C=IL

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

Serial number:
009AF809F48BC879375BE578151D15C51C

File PE Metadata
Compilation timestamp:
3/12/2013 10:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:rrk29uEo2S1YnQmCX492DkwNP3qpYFruKBCkW1vN8d5kGZUB1mGmafKgsJkwgBga:rrkOu6/eIo4e1ivEKnmGmCBsJk7

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:
7.9542

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file removewat 2.2.6.exe has been seen being distributed by the following URL.

http://applicationsforeveryy.asia/.../?product_name=Removewat 2.2.6&installer_file_name=Removewat 2.2.6&r=886

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=22581744&publisher_id=258&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=67745232&external_id=0&session_id=135490464&hardware_id=158072208&installer_file_name=removewat+2.2.6

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