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newtab_setup.exe

Artur Semanin

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application newtab_setup.exe by Artur Semanin 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Artur Semanin  (signed and verified)

MD5:
32359c4f4978bdc482403a607841b109

SHA-1:
c74326a7e3a129eae01f2ed35ecf082bae8feab8

SHA-256:
9d437fdee652472ddcf8b09e13a35feca22f607773389ba4ba9087fcc2cbfd82

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process.

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:
4/19/2024 7:46:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.6.18

File size:
1 MB (1,096,728 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\addons\newtab_setup.exe

Digital Signature
Signed by:
Artur Semanin

Authority:
COMODO CA Limited

Valid from:
8/5/2013 5:00:00 PM

Valid to:
8/6/2014 4:59:59 PM

Subject:
CN=Artur Semanin, O=Artur Semanin, STREET=Radishcheva 8, L=Kyiv, S=Kyiv, PostalCode=03164, C=UA

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

Serial number:
38BEDBA31B62D500B998286A80E230EB

File PE Metadata
Compilation timestamp:
7/11/2013 9:52:38 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0xD374

Entry point:
E8, B2, 50, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 38, 72, 41, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 3C, 72, 41, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, 87, 19, 00, 00, 85, C0, 75, 06, B8, A0, 73, 41, 00, C3, 83, C0, 08, C3, E8, 74, 19, 00, 00, 85, C0, 75, 06, B8, A4, 73, 41, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Entropy:
7.9126  (probably packed)

Code size:
87.5 KB (89,600 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=620487452&publisher_id=204&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1861462356&external_id=0&session_id=3722924712&hardware_id=4343412164&installer_file_name=newtab_setup

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