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vistastartmenu_setup_2_650_freeware_en.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 vistastartmenu_setup_2_650_freeware_en.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:
3e794ffd7d96f5fcccc4162a32f35354

SHA-1:
6877027461624ba347198582c4f9cfbbd6b312a4

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/25/2024 7:09:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
16.9.8.11

File size:
1.2 MB (1,217,816 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex (using Nullsoft Install System)

Digital Signature
Signed by:
Dennis Nazarenko

Authority:
The USERTRUST Network

Valid from:
11/2/2007 5:30:00 AM

Valid to:
11/2/2008 5:29:59 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:
00DBE65D78CE895A82ADCC70F584A6A0BB

File PE Metadata
Compilation timestamp:
5/5/2007 5:53:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:0HWYysXrv7tKUBfvgAPdqTiEJEpawGEu2ni1o1LO9GOFNdyDyp:RY7bQ6Xq2EJEowGzqRS0D8

Entry address:
0x3190

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 53, FF, 15, 78, 72, 40, 00, A3, B4, EC, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 90, 42, 00, FF, 15, 54, 71, 40, 00, 68, C8, 91, 40, 00, 68, 00, E4, 42, 00, E8, 82, 27, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 70, 27, 00, 00, 53, FF, 15, 08, 71, 40, 00, 80, 3D, 00, 40, 43, 00, 22, A3, 00, EC, 42, 00, 8B, C7, 75, 0A...
 
[+]

Entropy:
7.9738

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

TCP (HTTP):
Connects to c1.stylezip.info  (54.186.255.26:80)

 
http://c1.stylezip.info/?step_id=1&installer_id=360262056&publisher_id=602&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1080786168&external_id=0&session_id=2161572336&hardware_id=2521834392&installer_file_name=vistastartmenu_setup_2_650_freeware_en

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