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installbrowserbuttons.exe

Dennis Nazarenko

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 installbrowserbuttons.exe by Dennis Nazarenko 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:
Dennis Nazarenko  (signed and verified)

MD5:
d94033c59acbec6cca376936d3e3ffcf

SHA-1:
8f00173a786dc5196e5e49fa471bfdf6fab52de2

SHA-256:
e53da4885d237e4f4abf36f0b1348195126ade297030837e3252f13fd51e56ed

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:
11/17/2024 3:19:17 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
16.8.29.18

File size:
513.3 KB (525,576 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\Program Files\tidy favorites\installbrowserbuttons.exe

Digital Signature
Signed by:
Dennis Nazarenko

Authority:
The USERTRUST Network

Valid from:
11/2/2008 1:00:00 AM

Valid to:
11/3/2009 12:59:59 AM

Subject:
CN=Dennis Nazarenko, O=Dennis Nazarenko, POBox=15A, STREET=Jovtneva 7A, L=Vishneve, S=Kievskaya, PostalCode=08132, C=UA

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
009CA1956F3A54A095BA9D02BC02272CFA

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
2.25

CTPH (ssdeep):
12288:aP/I0fbPH82vwf/+xEi/LcdY7vqvuNgI43:atfDIf2xX/Lc9vv

Entry address:
0x709B4

Entry point:
55, 8B, EC, B9, 04, 00, 00, 00, 6A, 00, 6A, 00, 49, 75, F9, 51, A1, B4, 2C, 47, 00, C6, 00, 01, B8, 7C, 07, 47, 00, E8, 5E, 66, F9, FF, 33, C0, 55, 68, CF, 0B, 47, 00, 64, FF, 30, 64, 89, 20, E8, 5B, 24, F9, FF, 48, 0F, 8C, 71, 01, 00, 00, 8D, 55, EC, B8, 01, 00, 00, 00, E8, AF, 24, F9, FF, 8B, 45, EC, BA, E4, 0B, 47, 00, E8, BA, 96, F9, FF, 85, C0, 75, 1E, E8, 79, D2, FF, FF, E8, A4, DD, FF, FF, E8, 5B, F2, FF, FF, E8, 5A, F6, FF, FF, E8, DD, FB, FF, FF, E9, 88, 01, 00, 00, 8D, 55, E4, B8, 01, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
447 KB (457,728 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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