uc browser.exe

Apps manager

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 uc browser.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:
Firseria. Installer · sl  (signed by FIRSERIA, S.L.)

Product:
Apps manager

Description:
Installer

Version:
3.1.22

MD5:
238871d2b648a2078c2b530f8b27311c

SHA-1:
279c315446bd44f736b5f4b628584f86a560dc4f

SHA-256:
145fce1bd41dd59e1f78512eceffe977a0eb13d15567fb33173ed097c9d8b542

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/27/2024 5:42:29 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.FIRSERIA.Bundler (M)
16.5.17.5

File size:
557.7 KB (571,072 bytes)

Product version:
3.1.21

Copyright:
copyright © 2014

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
7/24/2014 7:00:00 PM

Valid to:
7/23/2016 6:59:59 PM

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

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

Serial number:
7658ACC15B33D93ABD5A967181DEF901

File PE Metadata
Compilation timestamp:
7/30/2014 3:01:55 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:TpC1Bc3TkCu6eXFswL9DmR7CEotX5cU8SXyI:Tp93TyXF9FEop5b8SXyI

Entry address:
0xD7ED

Entry point:
E8, 2C, 79, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 78, 6E, 42, 00, E8, 3D, 12, 00, 00, E8, A9, 67, 00, 00, 0F, B7, F0, 6A, 02, E8, BF, 78, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, A2, 73, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.7358  (probably packed)

Code size:
113 KB (115,712 bytes)

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

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