microsoft works.exe

FIRSERIA, S.L.

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 microsoft works.exe by FIRSERIA, 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 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:
F¡rser¡a s·l·  (signed by FIRSERIA, S.L.)

Description:
DwonldMnger

Version:
1.0.0.23

MD5:
7f92d449a6a6cc1b9ed20b6b613454f3

SHA-1:
74de34a4180ed2aa1e141e5a9d83e1053d27773f

SHA-256:
9bd6f7404cbe82f3533a65a0a45d23551fd63fa54e003f1a1fe6f94dea69338a

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:
11/27/2024 4:34:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.FIRSERIA.Bundler (M)
16.7.4.14

File size:
183.8 KB (188,216 bytes)

Product version:
3.0.23

Copyright:
copyright·©·2013

Original file name:
¡nstal.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
7/23/2013 7:00:00 PM

Valid to:
7/24/2014 6:59:59 PM

Subject:
CN="FIRSERIA, S.L.", OU=IT, O="FIRSERIA, S.L.", L=Badalona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
73C4780FAC0CD497B0778732FB8AF673

File PE Metadata
Compilation timestamp:
11/27/2013 5:43:52 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:cFtj9DZiop52XIGrjKSBUZWijNutqGwSMixZhAJY/UAmFSWi:cFZ9DEq52hUZcYGwS/xZ7UWWi

Entry address:
0x704B0

Entry point:
60, BE, 00, 90, 44, 00, 8D, BE, 00, 80, FB, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Entropy:
7.8116

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
160 KB (163,840 bytes)

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

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