winzip-18.0.exe

SILICOM INTERNET, S.L.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application winzip-18.0.exe by SILICOM INTERNET, S.L 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 installCore installer. The file has been seen being downloaded from installers.toggle.com.
Publisher:
SILICOM INTERNET, S.L.  (signed and verified)

MD5:
1f7b1f27da00523710b5b2661bcf12e0

SHA-1:
3b07be8967d23211a1f7f14963fbe28e9801e06e

SHA-256:
3314083817a1ac612cf23f9cb8e29c9db719f712e18e19a111c94269941c2a63

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 '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:
12/29/2024 6:20:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.10.11

File size:
674 KB (690,176 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\winzip-18.0.exe

Digital Signature
Authority:
DigiCert Inc

Valid from:
10/25/2013 8:00:00 AM

Valid to:
10/29/2014 8:00:00 PM

Subject:
CN="SILICOM INTERNET, S.L.", O="SILICOM INTERNET, S.L.", L=Villaviciosa de Odon, C=ES

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
06C80396B3808BBD5B05A86D48465401

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:25vpejiheiYGVpJDgAEcGtKXxzz8enXwjexqg84UvcKqzlt6NcIo:25v0VRUJUAh6KxnFAj4qg8rvMzlPIo

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8487

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file winzip-18.0.exe has been seen being distributed by the following URL.

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