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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:
36a4b0ace31e502051a74e1ce6febdd3

SHA-1:
ec1356b83e10398a45d5f1332d8fd5378e700971

SHA-256:
9fe79cb82abc2d0cf357b9110ed8d117514c33055b2e3871bc89c14e6fe4deec

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:
5/9/2024 3:22:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.FirstOffer.Bundler (M)
16.3.4.14

File size:
13.1 KB (13,384 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:
10/8/2013 2:00:00 AM

Valid to:
10/9/2014 1:59:59 AM

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

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

Serial number:
49900242461D96CB7B045BE0A258338E

File PE Metadata
Compilation timestamp:
8/28/2014 10:00:48 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
192:LjLtv9P8XPHzBac2CmfHix8iyMrj6938LWM1pjg2u0reg:LjLt+HzBac29CxMMC18cwZ

Entry address:
0x30AE

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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