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setup.exe

Yordan Damyanov

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 setup.exe by Yordan Damyanov 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:
Yordan Damyanov  (signed and verified)

MD5:
300e36b4306cfcf4579513cdac104fbd

SHA-1:
7999c3984b29f7cedf5273f581b54bc20d901cf3

SHA-256:
df8215f2cf193eb4f975fa01195ba744a53d79a904b6f856c95b9a4e71178fb7

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:
5/8/2024 9:48:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.YordanDamyanov.Bundler (M)
16.2.15.14

File size:
1.6 MB (1,681,928 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\users\{user}\downloads\programs\setup.exe

Digital Signature
Signed by:
Yordan Damyanov

Authority:
COMODO CA Limited

Valid from:
10/7/2013 2:00:00 AM

Valid to:
10/8/2015 1:59:59 AM

Subject:
CN=Yordan Damyanov, O=Yordan Damyanov, STREET=19 Dobri Voinikov Str, L=Sofia, S=Sofia, PostalCode=1000, C=BG

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

Serial number:
00FEEF0D77D0AC7E55D4E7707B384AC901

File PE Metadata
Compilation timestamp:
12/7/2013 5:17:14 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:O44iR/ecRAzrU1KQbHVW8yr7mg11AYzuLsDqx/:O44iRWcRA/I7V9Aq5YC4DE

Entry address:
0x86B0

Entry point:
E8, B1, 6A, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 98, B1, 41, 00, 89, 0D, 94, B1, 41, 00, 89, 15, 90, B1, 41, 00, 89, 1D, 8C, B1, 41, 00, 89, 35, 88, B1, 41, 00, 89, 3D, 84, B1, 41, 00, 66, 8C, 15, B0, B1, 41, 00, 66, 8C, 0D, A4, B1, 41, 00, 66, 8C, 1D, 80, B1, 41, 00, 66, 8C, 05, 7C, B1, 41, 00, 66, 8C, 25, 78, B1, 41, 00, 66, 8C, 2D, 74, B1, 41, 00, 9C, 8F, 05, A8, B1, 41, 00, 8B, 45, 00, A3, 9C, B1, 41, 00, 8B, 45, 04, A3, A0, B1, 41, 00, 8D, 45, 08, A3, AC, B1, 41...
 
[+]

Entropy:
7.9230  (probably packed)

Code size:
77.5 KB (79,360 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=69817118&publisher_id=981&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=209451354&external_id=0&session_id=418902708&hardware_id=488719826&installer_file_name=setup

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