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extie_setup.exe

Vlad Zemyn

The is the installer for the WebPick InstalleRex download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application extie_setup.exe by Vlad Zemyn 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Vlad Zemyn  (signed and verified)

MD5:
f20f4601420274bc6b534bb0c3a850ac

SHA-1:
355de5c8aa21097c1727ad7d9ccb75b51b412a3e

SHA-256:
b6edfb034f12c3edb884d469b346f3f978088fee5a9ca8e0dc899e733e40b9bd

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/25/2024 9:37:55 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.2.21.15

File size:
1.6 MB (1,626,448 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

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

Digital Signature
Signed by:
Vlad Zemyn

Authority:
COMODO CA Limited

Valid from:
9/27/2013 2:00:00 AM

Valid to:
9/28/2014 1:59:59 AM

Subject:
CN=Vlad Zemyn, O=Vlad Zemyn, STREET=Oboronnaya 43, L=Kiev, S=Kiev, PostalCode=03110, C=UA

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

Serial number:
00FA2E3FCB8E83B20759399F7E1D9549EE

File PE Metadata
Compilation timestamp:
9/29/2013 3:07:26 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x13B4D

Entry point:
E8, F7, 40, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 58, 9F, 42, 00, E8, ED, 09, 00, 00, E8, C4, 42, 00, 00, 0F, B7, F0, 6A, 02, E8, 8A, 40, 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...
 
[+]

Entropy:
7.8829  (probably packed)

Code size:
140 KB (143,360 bytes)

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

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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