winzip-lan_en.exe

WinZip

Download Manager

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application winzip-lan_en.exe, “WinZip ” by Download Manager 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 AirInstaller Download Manager installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from download.winzip.com.
Publisher:
Download Manager Cert   (signed by Download Manager)

Product:
WinZip

Description:
WinZip

Version:
2.0.11.0

MD5:
13a3db8c7038f4a5f98c838ce9e47349

SHA-1:
d0187965b3df2e86aaf01897e3689c7dced0d571

SHA-256:
ab60919885fc396dffa691ebdd4032cf075200470c5765ca925f0251c7e4766d

Scanner detections:
1 / 68

Status:
Adware

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/2/2024 7:24:59 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.30.11

File size:
755.9 KB (774,056 bytes)

Product version:
2.0.11.0

Copyright:
(c) Download Manager Cert

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
6/7/2013 7:00:00 PM

Valid to:
6/8/2014 6:59:59 PM

Subject:
CN=Download Manager, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Download Manager, L=Vancouver, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
428E8B7C1AC548D083F4D3A0C5FDAF4C

File PE Metadata
Compilation timestamp:
6/4/2014 10:54:32 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:R4H73i8fZOMLtjJ6ogl6JMv8Vnz9iqRULkqT9xAltq/B16XZvPZ/TNVrHn0g:Rsji8RvNslNv8VnzpUoEeO/nIRZ/Tf0g

Entry address:
0x25C418

Entry point:
60, E8, 00, 00, 00, 00, 58, 05, 5A, 0B, 00, 00, 8B, 30, 03, F0, 2B, C0, 8B, FE, 66, AD, C1, E0, 0C, 8B, C8, 50, AD, 2B, C8, 03, F1, 8B, C8, 57, 51, 49, 8A, 44, 39, 06, 88, 04, 31, 75, F6, 2B, C0, AC, 8B, C8, 80, E1, F0, 24, 0F, C1, E1, 0C, 8A, E8, AC, 0B, C8, 51, 02, CD, BD, 00, FD, FF, FF, D3, E5, 59, 58, 8B, DC, 8D, A4, 6C, 90, F1, FF, FF, 51, 2B, C9, 51, 51, 8B, CC, 51, 66, 8B, 17, C1, E2, 0C, 52, 57, 83, C1, 04, 51, 50, 83, C1, 04, 56, 51, E8, 5E, 00, 00, 00, 8B, E3, 5E, 5A, 2B, C0, 89, 04, 32, B4, 10...
 
[+]

Entropy:
7.9363

Packer / compiler:
ASPack v1.08.04

Code size:
1.7 MB (1,733,120 bytes)

The file winzip-lan_en.exe has been seen being distributed by the following URL.

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