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facebook-messenger-for-windows.exe

FITDownloader

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application facebook-messenger-for-windows.exe by FITDownloader has been detected as adware by 10 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from d13dhn7ldhrcf6.cloudfront.net.
Publisher:
FITDownloader  (signed and verified)

MD5:
4ccdaac8eb7bd39d0b00f185414fc5d5

SHA-1:
5b1a98726742e7ddc9eb71b74fc344a11f78cc76

SHA-256:
550db05168f3cf75632c18b76e7d214ef9b3d80cdf09d4e82e538ff5b14ae48c

Scanner detections:
10 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/25/2024 2:09:29 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3337

Dr.Web
Adware.InstallCore.464
9.0.1.0271

ESET NOD32
Win32/InstallCore.OX potentially unwanted application
8.7.0.302.0

F-Prot
W32/InstallCore.AC.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of java-runtime-environment.exe (Adware)
2014.12.9.23

K7 AntiVirus
Unwanted-Program
13.183.13550

Malwarebytes
PUP.Optional.InstallCore
v2014.09.28.01

Reason Heuristics
PUP.FITDownloader.EE
14.9.28.13

Sophos
Install Core Click run software
4.98

VIPRE Antivirus
Threat.4150696
33520

File size:
738.6 KB (756,376 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Digital Signature
Signed by:
FITDownloader

Authority:
COMODO CA Limited

Valid from:
4/28/2014 3:00:00 AM

Valid to:
4/29/2015 2:59:59 AM

Subject:
CN=FITDownloader, O=FITDownloader, STREET=28 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

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

Serial number:
5E0816C139E8D20E76830D3D9638C4FE

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:USFaPUmGpLVeaKy9mDHxBMbLdiO2KrD1fQDjXXSRbLXjpe57ijcw+ye4fiaLqt+S:USFOZGpLVesWLMbhZlfCXS9Je5iww83j

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8868

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

Code size:
37 KB (37,888 bytes)

The file facebook-messenger-for-windows.exe has been seen being distributed by the following URL.

https://d13dhn7ldhrcf6.cloudfront.net/download.php?os=&icon=aHR0cDovL3NjcmVlbnNob3RzLmVuLnNmdGNkbi5uZXQvZW4vc2Nybi8zMzMzMDAwLzMzMzM0ODQvZmFjZWJvb2stbWVzc2VuZ2VyLXBhcmEtd2luZG93cy03LTAyLTEwMHgxMDAucG5n&desc=T2ZmaWNpYWwgRmFjZWJvb2sgZGVza3RvcCBjaGF0IGNsaWVudA==&name=Facebook Messenger for Windows&domain=facebook-messenger-for-windows&ss=&lang=en_US&url=aHR0cDovL2ZhY2Vib29rLW1lc3Nlbmdlci1mb3Itd2luZG93cy5lbi5zb2Z0b25pYy5jb20=&version=180914&ins=jaleco

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