home

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. The file has been seen being downloaded from toolkitsetbest.info. 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:
2e8b27b17c00b43ce960df711d0cbf12

SHA-1:
780bf87d62683a5c6366affda4a7eabf4f9a3fb3

SHA-256:
48ec6cc15a5710fefd8141383c7bb5c9090d85a4aa64de5613b494e0f7654fd3

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:
5/18/2024 4:55:07 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.JulianPankratov.Bundler (M)
16.2.15.21

File size:
1.1 MB (1,182,360 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:
10/13/2013 9:00:00 PM

Valid to:
10/14/2014 8:59:59 PM

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 10:07:56 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:6xllVmuE1ShtvL35wY1rWb31DdOE2DlR/kRmihdlOzbE:6xJ+1iBD3r031dOp8mihrO/E

Entry address:
0x1A561

Entry point:
E8, F3, 40, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 48, BF, 42, 00, E8, E9, 09, 00, 00, E8, C0, 42, 00, 00, 0F, B7, F0, 6A, 02, E8, 86, 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...
 
[+]

Code size:
145 KB (148,480 bytes)

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

http://toolkitsetbest.info/?e=dnkp&publisher=1273&country=BR&ind=5907408723402238611&exid=0&ssd=2438322656742264331&hid=3214573100483118907&osid=601&channel=0&sfx=1&category_name=DownloadKeeper&install_date=20121026

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)

Remove ext_setup.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.