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newtab_setup.exe

Dmitry Volonov

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 newtab_setup.exe by Dmitry Volonov 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:
Dmitry Volonov  (signed and verified)

MD5:
8be11e56d6b0ddd811ee2d8139eaa96b

SHA-1:
afa29a847a36d724559c0affd8106266b0671d9e

SHA-256:
67eafc0bde7f1eeb5067992a9d4bfd965037d8e0ac5d4b3779d0319ec41579f4

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:
4/20/2024 12:02:45 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.15.4

File size:
1.5 MB (1,563,592 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:
Dmitry Volonov

Authority:
COMODO CA Limited

Valid from:
9/27/2013 2:00:00 AM

Valid to:
9/28/2014 1:59:59 AM

Subject:
CN=Dmitry Volonov, O=Dmitry Volonov, STREET=Lepse 14, L=Kiev, S=Kiev, PostalCode=03065, C=UA

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

Serial number:
3D57C4A60FE2C6814E02CB06FE8290BF

File PE Metadata
Compilation timestamp:
12/2/2013 11:08:12 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0xF6E7

Entry point:
E8, 38, 3F, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 28, E0, 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, 2C, E0, 41, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, DC, 07, 00, 00, 85, C0, 75, 06, B8, 90, E1, 41, 00, C3, 83, C0, 08, C3, E8, C9, 07, 00, 00, 85, C0, 75, 06, B8, 94, E1, 41, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Code size:
92 KB (94,208 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=633011636&publisher_id=330&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1899034908&external_id=0&session_id=3798069816&hardware_id=4431081452&installer_file_name=newtab_setup

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