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ms-flight-downloader.exe

IronInstall

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application ms-flight-downloader.exe by IronInstall 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 installCore installer. The file has been seen being downloaded from www.indiroyunu.com.
Publisher:
IronInstall  (signed and verified)

MD5:
bad55c450c1c65e6b4a4bb30cce478fb

SHA-1:
369c258b83b0f39173c8754bdf805c636f2cffcf

SHA-256:
ddb4e087e380f9e84e197b0de387ee07896abea4e5f5e7fea1df23232ec2e78b

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 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:
4/23/2024 7:10:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.IronInst (M)
16.7.3.16

File size:
705.1 KB (721,976 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\ms-flight-downloader.exe

Digital Signature
Signed by:
IronInstall

Authority:
COMODO CA Limited

Valid from:
11/20/2012 2:00:00 AM

Valid to:
11/21/2015 1:59:59 AM

Subject:
CN=IronInstall, O=IronInstall, STREET=63 Rothschild Blvd., L=Tel-Aviv, S=NA, PostalCode=65785, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
2DC5BB8E9D823CD0C4F09AE859BBBEAC

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:0kOyMJfsy4ZooK98End54ktZZ1HRX7MkEaMss40YFFS6jYmjH1Dk:lOyMJfsTZoHJAkB1HBCsv0o46HVDk

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

The file ms-flight-downloader.exe has been seen being distributed by the following URL.

http://www.indiroyunu.com/downloader/.../microsoftflight.php

Remove ms-flight-downloader.exe - Powered by Reason Core Security
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