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newtab_setup.exe

Pavel KRASNOV

This installer (utilizes the InstalleRex from WebPick) is designed to bundle additional software offerings such as adware and malware, mostly web browser extensions in the download manager, with minimal user consent. In most cases the setup process will install a browser extension for IE, Chrome and Firefox by default. The application newtab_setup.exe by Pavel KRASNOV has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the WebPick InstalleRex installer.
Publisher:
Pavel KRASNOV  (signed and verified)

MD5:
7258a76ee7c380c88e2db0a333975e50

SHA-1:
f2def3f077b044234653ee2ec3c42e8afa28c336

SHA-256:
fde7250800d276941a2157a4c6f113f0bd86a20bc0356187796ef34142742e70

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional adware offers in the installer/setup process.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/18/2024 8:55:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.PavelKRA.Bundler (M)
16.4.3.22

File size:
1.5 MB (1,570,680 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\addons\newtab_setup.exe

Digital Signature
Signed by:
Pavel KRASNOV

Authority:
Unizeto Technologies S.A.

Valid from:
1/17/2014 2:46:29 AM

Valid to:
1/17/2015 2:46:29 AM

Subject:
E=pavel0125@hotmail.com, CN="Open Source Developer, Pavel KRASNOV", O=Pavel KRASNOV, C=RU

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
145B82E22CCF1D1A2268198D76B51075

File PE Metadata
Compilation timestamp:
2/26/2014 2:30:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:tvEZ5q/5xyymq1B6mc63n2heB6Bl12iSabTEFFF5A+BnDiB8kf4fhiAslram:WZMxz1q63fUBlwLySFA+ZW8fZ4lOm

Entry address:
0x1098B

Entry point:
E8, 7E, 49, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 60, 11, 42, 00, E8, 5F, 20, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, 11, 49, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, D0, 36, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
97.5 KB (99,840 bytes)

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

http://toolkitsetbest.info/?e=wbn&publisher=721&country=CA&ind=321202519638038470&exid=1393785708437810836&ssd=12299762694779118317&hid=1437375631321058589&osid=601&channel=0&sfx=1&jc=1&category_name=NewTab&install_date=20130302&ntab=http://websearch.searchsun.info

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to i1.stylefun.info  (198.7.61.118:80)

TCP (HTTP):
Connects to dl.softservers.net  (184.154.145.171:80)

TCP (HTTP):
Connects to c1.getapplicationmy.info  (54.201.215.30:80)

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