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winrar_4.01.exe

Chip Downloader

Simply Tech Ltd

One Floor App (Simply Tech/Widdit) distributes and bundles potentially unwanted programs (PUPs) using its OneFloorApp install manager (SimplyInstaller). The application winrar_4.01.exe, “Chip Downloader Setup ” by Simply Tech has been detected as a potentially unwanted program 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 Widdit Setup installer. The installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Simply Tech Ltd  (signed and verified)

Product:
Chip Downloader

Description:
Chip Downloader Setup

Version:
6.4

MD5:
8577775f7b89dca257ddc90887245b6b

SHA-1:
dfd77f2eb626fb62438c90f72ab515e467aa2d87

SHA-256:
3a74ade8eb2cffd7ceac70dd7a0c7c554963f48fb40d3c44eec8735537abf702

Scanner detections:
1 / 68

Status:
Potentially unwanted

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/25/2024 11:52:07 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Widdit (M)
16.7.28.21

File size:
853.7 KB (874,192 bytes)

Product version:
6.4

Copyright:
Copyright (c) 2012, www.simplytechltd.com

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Widdit Setup

Common path:
C:\users\{user}\downloads\winrar_4.01.exe

Digital Signature
Signed by:
Simply Tech Ltd

Authority:
COMODO CA Limited

Valid from:
4/4/2012 2:00:00 AM

Valid to:
4/5/2014 1:59:59 AM

Subject:
CN=Simply Tech Ltd, O=Simply Tech Ltd, STREET=10 Zarhin street, L=Raanana, S=Raanana, PostalCode=43662, C=IL

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

Serial number:
1FC78D842B3886BB8D32517578F7489C

File PE Metadata
Compilation timestamp:
7/9/2012 3:41:29 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:93MjhnX888888888888W888888888887zKWY2fHMiLSH+BAFklHofzLwa9V7Uaor:BMjhR1u+BRHcLH4ZXVneOH

Entry address:
0x16478

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, B8, 52, 41, 00, E8, AC, 03, FF, FF, 33, C0, 55, 68, 45, 6B, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 01, 6B, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, AB, 41, 00, E8, 56, EC, FF, FF, E8, FD, E7, FF, FF, 8D, 55, EC, 33, C0, E8, 7F, 84, FF, FF, 8B, 55, EC, B8, E8, D6, 41, 00, E8, E2, E9, FE, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, E8, D6, 41, 00, B2, 01...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
84 KB (86,016 bytes)

The file winrar_4.01.exe has been seen being distributed by the following URL.

http://www.chipinstaller.com/.../DownloadManager.ashx?si=42569&appid=39265&paa=1

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