uc browser.exe

Contumar Empresarial s.l.

This belongs to a Solimba product that may be bundled with additional PUPs or may be part of an ad-supported software program. The application uc browser.exe by Contumar Empresarial 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. It 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:
Contumar Empresarial s.l.  (signed and verified)

MD5:
83ec04f1f6ac306c0cae94e938a9cd03

SHA-1:
a66a4abd51878a240541ccaff1c5ffc064b29610

SHA-256:
903785505a33cbd6f4a268ce6072b77d744a4013efb5ed942fb317e14f36ebc6

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:
5/3/2025 4:35:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Contumar (M)
16.6.4.14

File size:
678.1 KB (694,368 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
2/2/2015 7:30:38 PM

Valid to:
9/24/2016 8:30:25 PM

Subject:
CN=Contumar Empresarial s.l., O=Contumar Empresarial s.l., L=Barcelona, S=Barcelona, C=ES

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

Serial number:
112119FE6AFB4FA7129F4F594CD3E07D5B21

File PE Metadata
Compilation timestamp:
6/18/2015 6:28:05 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:ZyE2QYrOLw9saOiCXcU/OQOCeDHg23sMhEJZT1aRYNg+6R:cE2QYrr6iwcWOQOfLg6sMCDT1a2a+6R

Entry address:
0x118B4

Entry point:
E8, 2F, 96, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F8, DB, 42, 00, E8, F6, 56, 00, 00, E8, 2C, 1D, 00, 00, 0F, B7, F0, 6A, 02, E8, C2, 95, 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, E9, 4C, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.6874

Code size:
141 KB (144,384 bytes)

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

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