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extie_setup.exe

Andrew Kruzov

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 Andrew Kruzov 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:
Andrew Kruzov  (signed and verified)

MD5:
b121426c36584ad320a13a7919d0f653

SHA-1:
3e927a021913ce8c3ea0aa43d33e7cc259bd7286

SHA-256:
fd7e8da963dbddc91f562f2287c80c8fc0730c24c837fe5d1a0c0d384a8e9632

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:
4/23/2024 5:02:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.AndrewKruzov.Bundler (M)
16.1.26.17

File size:
1.5 MB (1,533,232 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:
Andrew Kruzov

Authority:
COMODO CA Limited

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

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

Subject:
CN=Andrew Kruzov, O=Andrew Kruzov, STREET=Savrasova 31, 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:
53C0E7306A4ED340CBA044D801891A67

File PE Metadata
Compilation timestamp:
4/16/2014 11:36:39 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:lrEmZrhRFlTeyZvab+3bBGv4NFWy0wAH1iyQGL50RRrpDAHdDzhQXc:dZV1e+LfP4PFL52rFA9Dcc

Entry address:
0x1089B

Entry point:
E8, 3E, 4A, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 80, 21, 42, 00, E8, 1F, 21, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, D1, 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, 90, 37, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
102.5 KB (104,960 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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