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wretchercise.zip.exe

Setup

Moshe Caspi

This program bundles adware during the download and install process using the InstaleRex pay-per-install app monetizer. The application wretchercise.zip.exe by Moshe Caspi 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. The file has been seen being downloaded from www.storagenl.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
CloudSoft  (signed by Moshe Caspi)

Product:
Setup

Description:
Installer

Version:
2012.12.19.1900

MD5:
ffeda9c3e5a4b7e0838bb76c95fea3ac

SHA-1:
966b64645e542bfb56705db3d13fba44018d7150

SHA-256:
8e98aff34a33f4936c35a13eaedaa053a060946ba9dc72c0c6355dfed30958c3

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 12:34:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.MosheCas.Installer (M)
16.6.10.13

File size:
299.3 KB (306,512 bytes)

Product version:
1.0

Copyright:
Copyright © 2012 CloudSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\wretchercise.zip.exe

Digital Signature
Signed by:
Moshe Caspi

Authority:
COMODO CA Limited

Valid from:
8/2/2012 1:00:00 AM

Valid to:
8/3/2013 12:59:59 AM

Subject:
CN=Moshe Caspi, O=Moshe Caspi, STREET=Hashuk 39, L=Tel Aviv, S=Israel, PostalCode=66067, C=IL

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

Serial number:
00B1B859272556EC39AF8F0E4A626C2ADC

File PE Metadata
Compilation timestamp:
11/30/2012 1:03:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:2rnLlRH9Oy6tq6JczwsIiPGzM/kjql9zmW5vkJFFwX4XTAtbmI:2rnZRH9Oy6tNJ4wsC84ql9j5voX8t6I

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:
7.9637

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://www.storagenl.info/v34/?installer_file_name=Wretchercise.zip&product_name=Wretchercise.zip&product_download_url=http://fs01n3.sendspace.com/dllp/ff8ff075b51a16631879e956debb5f15/50d34f62/000000/objost/Wretchercise.zip&reffer=http://www.sendspace.com/.../objost

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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