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f_0004fa

Ivan Manov

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. The file f_0004fa, “Installer for AppSnow” by Ivan Manov 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 (Tarma) installer. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
AppSnow  (signed by Ivan Manov)

Product:
AppSnow

Description:
Installer for AppSnow

Version:
2014.6.19.1201

MD5:
521da6e0aedb60b33e6cee34ee38b2a2

SHA-1:
80c3bddc88913925146a9af5a15ea07f24945a52

SHA-256:
f2400a361a8d89e55ba2b72b2e5011ac689de334ea116b05d2b30e13f1d37dd1

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, hosted on TusFiles.

Analysis date:
12/25/2024 1:22:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.2.25.4

File size:
318.6 KB (326,296 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 AppSnow

Original file name:
TSULoader.exe

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\google\chrome\user data\default\cache\f_0004fa

Digital Signature
Signed by:
Ivan Manov

Authority:
COMODO CA Limited

Valid from:
9/23/2013 2:00:00 AM

Valid to:
9/24/2014 1:59:59 AM

Subject:
CN=Ivan Manov, O=Ivan Manov, STREET=Irininskaya 18, L=Kiev, S=Kiev, PostalCode=01034, C=UA

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

Serial number:
0098D22F2CDEFA00AA1A318F6903533F2B

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Entropy:
7.9414

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 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=606673690&publisher_id=066&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1820021070&external_id=0&session_id=3640042140&hardware_id=4246715830&installer_file_name=f_0004fa

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