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photorec.exe

Daneil Jemoch

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 application photorec.exe, “Installer for TopApp soft” by Daneil Jemoch 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from styleapplicationzillion.com. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
TopApp soft  (signed by Daneil Jemoch)

Product:
TopApp soft

Description:
Installer for TopApp soft

Version:
2014.5.26.2303

MD5:
a84597635c8aed0e5a196daf45c57f84

SHA-1:
100fd1560a1d02fdab6858b7d4f96182f4dc8598

SHA-256:
b6b60afcfa70c6b23924a7e3723fca9fd3a72103403fc7fad372ff780d3c908e

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:
12/26/2024 1:58:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.3.23.16

File size:
316.3 KB (323,840 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 TopApp soft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\photorec.exe

Digital Signature
Signed by:
Daneil Jemoch

Authority:
COMODO CA Limited

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

Valid to:
9/3/2014 1:59:59 AM

Subject:
CN=Daneil Jemoch, O=Daneil Jemoch, STREET=Dubenskay 3, L=Kiev, S=Kiev, PostalCode=03056, C=UA

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

Serial number:
49A39B9858F6FBAB7EFD6CE450878DDB

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

CTPH (ssdeep):
6144:KrYbUzkuvcBYC47l2xa6g4FhwjZd/9d1XKxlo/ecwrHs5W:KrdkuveY36kjZP/XKxlSZAHn

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://styleapplicationzillion.com/v2612?product_name=PhotoRec 6.13&filesize=3352 KB&product_title=Descargar PhotoRec&installer_file_name=photorec&product_file_name=testdisk-6.13.win.zip&reffer=http://www.programas-gratis.net&Locale=ES&product_download_url=http://.../testdisk-6.13.win.zip

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=107627708&publisher_id=076&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=322883124&external_id=0&session_id=645766248&hardware_id=753393956&installer_file_name=photorec

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