zalo.exe

Prelasan Developments s.l.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application zalo.exe by Prelasan Developments 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:
Prelasan Developments s.l.  (signed and verified)

MD5:
4031e1e8515621395c5b0c0da51485e0

SHA-1:
a5af8cebf7c024ca9d11f457efe1978840ed520f

SHA-256:
0c84e903242c4bcc31bcdf3484cf683f568cbcd16ba0ae0f856889c537bfd5c2

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:
1/12/2025 11:35:20 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba (M)
16.7.18.16

File size:
208.9 KB (213,888 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR (using Nullsoft Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\zalo.exe

Digital Signature
Authority:
GlobalSign nv-sa

Valid from:
12/22/2015 3:44:25 AM

Valid to:
9/24/2016 9:07:57 AM

Subject:
CN=Prelasan Developments s.l., O=Prelasan Developments s.l., L=Barcelona, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121B96880D4523A058649BC00FFA5D5AA7C

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:IgXdZt9P6D3XJ6CFSYyE4lUH/K33M+j6GWV+D9wQb9FdcdnrNr+/1N/WDX6u1647:Ie34pYvjTHWAFdcd5rSn/MKujiiUClUC

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8394

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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