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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. The file has been seen being downloaded from www.adnetwork100.info. 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:
240f5390c473793b3e46511265c62734

SHA-1:
d2702448af214d838f65ff1eb0f25ff1b1129f22

SHA-256:
da9365f252660325ec8f7cb2ade2f5261bbc5d1f13a11a6bdfc0b1019ebd3718

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:
4/19/2024 5:05:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.1.7.0

File size:
1.6 MB (1,657,096 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

Common path:
C:\users\{user}\downloads\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:
12/10/2013 6:38:01 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x4FE3

Entry point:
E8, B3, 67, 00, 00, E9, 89, FE, FF, FF, CC, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 08, 61, 41, 00, 89, 0D, 04, 61, 41, 00, 89, 15, 00, 61, 41, 00, 89, 1D, FC, 60, 41, 00, 89, 35, F8, 60, 41, 00, 89, 3D, F4, 60, 41, 00, 66, 8C, 15, 20, 61, 41, 00, 66, 8C, 0D, 14, 61, 41, 00, 66, 8C, 1D, F0, 60, 41, 00, 66, 8C, 05, EC, 60, 41, 00, 66, 8C, 25, E8, 60, 41, 00, 66, 8C, 2D, E4, 60, 41, 00, 9C, 8F, 05, 18, 61, 41, 00, 8B, 45, 00, A3, 0C, 61, 41, 00, 8B, 45, 04, A3, 10, 61, 41, 00, 8D, 45, 08, A3, 1C, 61...
 
[+]

Entropy:
7.9054  (probably packed)

Code size:
64 KB (65,536 bytes)

The file setup.exe has been seen being distributed by the following URL.

http://www.adnetwork100.info/.../download.php?wti=&src=122&sta=20s2mA0HsEESwUeF0KIpjk1vRfbO000DDORAA&clickid=20s2mA0HsEESwUeF0KIpjk1vRfbO000DDORAA

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=537308942&publisher_id=373&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1611926826&external_id=0&session_id=3223853652&hardware_id=3761162594&installer_file_name=setup

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