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newtab_setup.exe

Kiril Klimko

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 Kiril Klimko 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:
Kiril Klimko  (signed and verified)

MD5:
0c95bba1823f7bd59109e7fcb908cba0

SHA-1:
cbdd904eadf3f6dc7570b92f902e25a8f3c7df82

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/25/2024 8:47:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.15.17

File size:
1.5 MB (1,615,088 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\Documents and Settings\{user}\Local settings\temp\{random}.tmp\addons\newtab_setup.exe

Digital Signature
Signed by:
Kiril Klimko

Authority:
COMODO CA Limited

Valid from:
9/3/2013 3:00:00 AM

Valid to:
9/4/2014 2:59:59 AM

Subject:
CN=Kiril Klimko, O=Kiril Klimko, STREET=Perova 21, L=Kiev, S=Kiev, PostalCode=02125, C=UA

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

Serial number:
4F8445DA07CAF9C24D869920925BA182

File PE Metadata
Compilation timestamp:
3/30/2014 9:48:46 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x109FB

Entry point:
E8, 3E, 4A, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, A8, 21, 42, 00, E8, 1F, 21, 00, 00, E8, E0, 07, 00, 00, 0F, B7, F0, 6A, 02, E8, D1, 49, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 90, 37, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.8976  (probably packed)

Code size:
103 KB (105,472 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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