avast-free-antivirus.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 avast-free-antivirus.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. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Downloader corporation  (signed by Firseria)

Product:
Setup process

Description:
Downloader Process

Version:
3.1.13.25

MD5:
6799b84afda1ec379b2ea12e9a638c03

SHA-1:
fbb939c0d8bc06e9ced661c71bb2a39f724e2667

SHA-256:
bde0b15a78cd0a4439467b44466559731ca95396c20deb9bbb6cb01a3fe08668

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
1/13/2025 5:37:12 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Firseria.Bundler (M)
16.6.27.16

File size:
410.8 KB (420,640 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\avast-free-antivirus.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:
7/8/2014 10:01:53 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:CHLrOODp/83pjGgiMkG2FwUQUkVhDhzHNU91L1Zfw/apx/eKyoDYfozlLG:qCODp/2p5wwUQjDJHy91L1Z42yoDvxLG

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 avast-free-antivirus.exe has been seen being distributed by the following URL.

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