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flightsiminstaller.exe

Wecan Software

This is the Verti bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application flightsiminstaller.exe by Wecan Software 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 Verti Setup installer. The file has been seen being downloaded from inst.bestsw.net.
Publisher:
Wecan Software  (signed and verified)

Version:
1.0.0.22

MD5:
bd3c50749a150584f4c18b8311857c4a

SHA-1:
2a926bf8a96a006160f95de02c7eef9d08c17ae1

SHA-256:
cc49d919c8877bb0b0ac0f34da1fd8d90c5463241d81596a6d8d5c0d73327df5

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
12/25/2024 12:59:19 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Verti.WecanSof.Bundler (M)
16.5.19.12

File size:
246.9 KB (252,776 bytes)

Product version:
1.0.0.22

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Verti Setup

Language:
English (United States)

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

Digital Signature
Signed by:
Wecan Software

Authority:
VeriSign, Inc.

Valid from:
7/22/2014 5:00:00 PM

Valid to:
7/23/2015 4:59:59 PM

Subject:
CN=Wecan Software, O=Wecan Software, L=Bellevue, S=Washington, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
1FD8A9E8CBFDDB2724A69194C505EF77

File PE Metadata
Compilation timestamp:
11/20/2014 12:05:59 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:/I+SAxEPy5n6PMwdnXyuxiG3WK/DlH/YRw7pupJVwhxiWoS4fU2roS:QqEPysl9DiGtlwRXuh9oS4fU2rp

Entry address:
0x1693B0

Entry point:
60, BE, 00, 40, 53, 00, 8D, BE, 00, D0, EC, FF, 57, 89, E5, 8D, 9C, 24, 80, C1, FF, FF, 31, C0, 50, 39, DC, 75, FB, 46, 46, 53, 68, FE, 75, 16, 00, 57, 83, C3, 04, 53, 68, AE, 53, 03, 00, 56, 83, C3, 04, 53, 50, C7, 03, 03, 00, 02, 00, 90, 90, 90, 90, 90, 55, 57, 56, 53, 83, EC, 7C, 8B, 94, 24, 90, 00, 00, 00, C7, 44, 24, 74, 00, 00, 00, 00, C6, 44, 24, 73, 00, 8B, AC, 24, 9C, 00, 00, 00, 8D, 42, 04, 89, 44, 24, 78, B8, 01, 00, 00, 00, 0F, B6, 4A, 02, 89, C3, D3, E3, 89, D9, 49, 89, 4C, 24, 6C, 0F, B6, 4A...
 
[+]

Entropy:
7.9102  (probably packed)

Code size:
216 KB (221,184 bytes)

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

http://inst.bestsw.net/dl/33/14489/33/.../

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