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ext_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 ext_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:
b43e338c2c3ae8fd589d90824431c977

SHA-1:
ebccb16e9bb8c73f7e18c6813b8d42d0577cf635

SHA-256:
aef5409bbe2570e38c1c79b547cac1373088cfb43b13e7fc5cd6e3f5c220c2f6

Scanner detections:
1 / 68

Status:
Adware

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/23/2024 7:48:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.PavelKRASNOV.Bundler (M)
16.2.12.12

File size:
1.3 MB (1,345,464 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

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

Digital Signature
Signed by:
Pavel KRASNOV

Authority:
Unizeto Technologies S.A.

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

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

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:
1/22/2014 4:38:14 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:VTgAaiZK0kkyXhiGa1/56Gb27h2CmpK97eXFSzmQtYqvH7jwJ5FHlm7PWAXkID4i:kiZ0kAclbGT6K97suXrTQ5l07P9XkCQI

Entry address:
0xDC0B

Entry point:
E8, 7E, 44, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, B8, DC, 41, 00, E8, DF, 12, 00, 00, E8, CB, 0F, 00, 00, 0F, B7, F0, 6A, 02, E8, 11, 44, 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, 96, 01, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
87 KB (89,088 bytes)

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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