winzip.exe

Setup process

Firseria

The setup program uses the Firseria/Solimba AppInstaller (DownloadMR) which is a monetization download manager that bundles additional adware offers, typically by wrapping legitimate applications. The application winzip.exe, “Downloader Process” by Firseria 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 Solimba DownloadMR installer. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars.
Publisher:
Downloader corporation  (signed by Firseria)

Product:
Setup process

Description:
Downloader Process

Version:
3.1.13.24

MD5:
32098d7140fe930d7f66801d1245123e

SHA-1:
df09af9340cff1b19fb94b6132f3d0b8762c63c2

SHA-256:
47024822755adf8836619e5e5ae0666c1d6cbfa960520d1e8dbfb7d43c5c54e3

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
1/13/2025 5:50:53 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Firseria.Bundler (M)
16.6.23.1

File size:
411.7 KB (421,608 bytes)

Product version:
3.1.19

Copyright:
Setup Downloader © 2014

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
11/11/2013 1:34:44 PM

Valid to:
11/12/2014 1:34:44 PM

Subject:
E=support@solimba.com, CN=Firseria, O=Firseria, L=Badalona, S=Barcelona, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112130C3B28D7C9C29B8B07321EF3F8A1462

File PE Metadata
Compilation timestamp:
7/7/2014 1:07:05 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:3LRuBmKVQlB3r6ABKxo5jFrZKoNLDwhzonJBX2A8OO:7Rgyd+ZQFrZKoNHwVonJoAFO

Entry address:
0x840A4

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...
 
[+]

Packer / compiler:
ASPack v1.08.04

Code size:
121 KB (123,904 bytes)

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

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