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chromesetup.exe

Evgen Kugitko

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application chromesetup.exe by Evgen Kugitko 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. The installer is marketed through download protals and search ads as Google's Chrome web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
NirSoft Installer  (signed by Evgen Kugitko)

Product:
NirSoft Installer

Version:
1.1.4.0

MD5:
69f7085865982cccdc1b379aa3a82f53

SHA-1:
d9a42b42447d6da73bafb73309509a07858996e7

SHA-256:
5fda610f96c74a42233281f6313f8ef666e30a75f67f8789c9a4f7e9918632f0

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:
12/27/2024 1:52:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Webpick.EvgenKug.Bundler (M)
16.7.8.19

File size:
520.2 KB (532,712 bytes)

Product version:
1.1.4.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\chromesetup.exe

Digital Signature
Signed by:
Evgen Kugitko

Authority:
Thawte, Inc.

Valid from:
9/24/2014 3:00:00 AM

Valid to:
9/25/2015 2:59:59 AM

Subject:
CN=Evgen Kugitko, OU=Individual Developer, O=No Organization Affiliation, L=Kiev, S=Kiev, C=UA

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
4179EA1BEC59D4CA7E66862832555480

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.0

CTPH (ssdeep):
12288:dtI9SNAx9LUd2tZTOQngk4DwglcB/BSMxsVkKLJZUrPHt:DI9CAXOiTLgHDwwcSzEr1

Entry address:
0x15BEDF

Entry point:
52, 8D, 15, 60, 60, 4F, 00, 33, C9, 03, 0A, 0F, B6, 09, 80, E9, B8, 5A, 0F, 85, AC, 38, FA, FF, 53, 0F, 84, 62, A1, F9, FF, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Code size:
686.5 KB (702,976 bytes)

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

http://ec2-54-88-185-190.compute-1.amazonaws.com/4tTkiGi1TVg/lydCquoNukSWuQsobpV2Lg/lydCquoNukSGw2F9MNHuPg/7I-BF-my2XOJKnTTCLSyUw/.../8P2_ifLCEWCgBimdjMTJFg

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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