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download.exe

Sergey Panov

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 download.exe, “Installer for AnyAppSnow” by Sergey Panov 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 toolkitset.info. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
AnyAppSnow  (signed by Sergey Panov)

Product:
AnyAppSnow

Description:
Installer for AnyAppSnow

Version:
2014.6.22.1527

MD5:
268d8ca7a2bb7dda0d599115b62cb824

SHA-1:
ef150121f812983853e035844a381d6dd6ca6115

SHA-256:
a9ee8f33f548e8b71c4e80a6790e069921e3d50b3b22dce3572b2a86e4e04e1d

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:
11/24/2024 8:37:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.3.28.14

File size:
316.1 KB (323,728 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 AnyAppSnow

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}\download.exe

Digital Signature
Signed by:
Sergey Panov

Authority:
COMODO CA Limited

Valid from:
9/25/2013 7:00:00 PM

Valid to:
9/26/2014 6:59:59 PM

Subject:
CN=Sergey Panov, O=Sergey Panov, STREET=Nevsky 34, L=Kiev, S=centr, PostalCode=03062, C=UA

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

Serial number:
67EDB237B456844DA741B5D82EEC432C

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:frsbUzkuvcBYC47l2xRrm6N5hHRACL93wMGOp9Ag19xn+QqbgxSYi8J2W4:frxkuveY3IfhKCLiMd4gBhuPkJ2W4

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:
7.9525

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://toolkitset.info/.../?&q=Download&product_name=Download&installer_file_name=Download&external_id=1403449431219514781

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=111757356&publisher_id=117&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=335272068&external_id=0&session_id=670544136&hardware_id=782301492&installer_file_name=download

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