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ToolbarUninstall.exe

ToolbarUninstall

First Offer LTD

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 ToolbarUninstall.exe by First Offer 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. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
First Offer LTD  (signed and verified)

Product:
ToolbarUninstall

Version:
1.0.0.0

MD5:
b551c9c9c6d3778b4c39e1b262d536f2

SHA-1:
3175cb99a12927f8f1085f5644595cdb8aef7c7e

SHA-256:
cb5ec7a34b134b131f924cd83b754226417b060753e01522731ff4e1fa77909a

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:
5/1/2024 11:33:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.FirstOff.Bundler (M)
16.7.13.3

File size:
13.5 KB (13,872 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2012

Original file name:
ToolbarUninstall.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\Program Files\pricecongress\toolbaruninstall.exe

Digital Signature
Signed by:
First Offer LTD

Authority:
COMODO CA Limited

Valid from:
12/3/2014 1:00:00 AM

Valid to:
12/3/2017 12:59:59 AM

Subject:
CN=First Offer LTD, O=First Offer LTD, STREET=Habarzel 21, L=Tel aviv, S=Israel, PostalCode=69710, C=IL

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

Serial number:
4A3C8068106AF46772F0E970DB0B000D

File PE Metadata
Compilation timestamp:
10/28/2014 2:06:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
192:E3FIZNv9P8XPHzB+g/CeyMrj6+AuAg2rAbbhXH87uGauospvxJ:E3FIN+HzB+g/6MC+NC0riJ

Entry address:
0x312E

Entry point:
FF, 25, 00, 20, 40, 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, 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...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
4.5 KB (4,608 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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