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ext_setup.exe

Julian Pankratov

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 ext_setup.exe by Julian Pankratov 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:
Julian Pankratov  (signed and verified)

MD5:
50a6cdc74c1afa7ec6a8876f10f20d24

SHA-1:
523a3a37fd06e9ae9096040385f708f135927772

SHA-256:
c741723bd3f7ecf4495535a89e5d68b9c3d8ad3e36262956f7b13fead79fb55b

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 '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:
4/19/2024 5:42:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.13.2

File size:
1.3 MB (1,381,080 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:
Julian Pankratov

Authority:
COMODO CA Limited

Valid from:
10/14/2013 7:00:00 AM

Valid to:
10/15/2014 6:59:59 AM

Subject:
CN=Julian Pankratov, O=Julian Pankratov, STREET=Gagarіna 11, L=Kiev, S=Kiev, PostalCode=02094, C=UA

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

Serial number:
00D14C8CC7422B7B416198EEB359191765

File PE Metadata
Compilation timestamp:
9/29/2013 8:08:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0xF3AB

Entry point:
E8, C1, 40, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 38, 7F, 42, 00, E8, 4F, 2A, 00, 00, E8, 8E, 42, 00, 00, 0F, B7, F0, 6A, 02, E8, 54, 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, 36, 21, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
130.5 KB (133,632 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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