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ca1509435e52c427f78a9a9d04d4539d.exe

Best Free Downloads

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application ca1509435e52c427f78a9a9d04d4539d.exe by Best Free Downloads has been detected as adware by 9 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 lb4-media-dist-37329468.eu-west-1.elb.amazonaws.com.
Publisher:
Best Free Downloads  (signed and verified)

MD5:
ca1509435e52c427f78a9a9d04d4539d

SHA-1:
51c36ec6f35a504a97203cfbc6e9ea4c73fe3d32

SHA-256:
dd34e74d2ce98c8cf27a655a31604245ab0bf1d43dadab497005592f91d4d25f

Scanner detections:
9 / 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 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:
4/19/2024 7:39:25 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.142.76

AVG
InstallCore
2015.0.3508

Comodo Security
Application.Win32.InstallCore.BWAN
18000

Dr.Web
Trojan.Packed.2782
9.0.1.0101

ESET NOD32
Win32/InstallCore.LM (variant)
8.9602

Malwarebytes
PUP.Optional.InstallCore
v2014.04.11.06

Reason Heuristics
PUP.BestFreeDownloads.a
14.4.11.6

Trend Micro House Call
TROJ_GEN.F47V0326
7.2.101

VIPRE Antivirus
Trojan.Win32.Generic
27768

File size:
810.7 KB (830,136 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\ca1509435e52c427f78a9a9d04d4539d.exe

Digital Signature
Signed by:
Best Free Downloads

Authority:
COMODO CA Limited

Valid from:
10/20/2013 8:00:00 PM

Valid to:
10/21/2014 7:59:59 PM

Subject:
CN=Best Free Downloads, O=Best Free Downloads, STREET=Lilienblum 28, L=Tel Aviv, S=Israel, PostalCode=6513307, C=IL

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

Serial number:
046CC4AA2B722C5117786BD75A823929

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:cnvnysTV/FW8OL7MahYULCahOnklkrkRmvA:cvy8VNW800ULtMnoM

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, 53, C9, FF, FF, E8, 9A, 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:
7.8798

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

Code size:
37 KB (37,888 bytes)

The file ca1509435e52c427f78a9a9d04d4539d.exe has been seen being distributed by the following URL.

http://lb4-media-dist-37329468.eu-west-1.elb.amazonaws.com/flv-player/adbr/.../?dl=1&lg=pt&dp=-_-ZWI5Nl8xNF82MzZfNjUzX0JSXzE4Ny4xMjcuMTY0LjIyM184ZDNfNjY0NF9BRFM-_-LqOPtmbfswtzwwutQlaOnaFsbGfa_F8avbac-VF_J-bazdHMaQNcNOiOt9g1dGKrnYaLn1vpcm9iaqz0BaAugaPePQu4900qb0mOAGaau0OOXvgDedPszfXuczi3Y7heVx2LF0MNeBDl9k0i8DAPdNZeJvcjZqQwW5a2Pv1GkO_r3Yfv39_KcJRuwejtsa-EBLv5NoxeHcD4YilqqGKTyQxkQkii4Gdrqg4lKfIDEk8adoduaq9Qzf7EQsp93o0HxTXBUjanjoJGnrWQEXyX-cwwYbMJGAruZVSSksrVFmzDh1NeWKRv-QeWsAI2zrzZRWWfqBizhddObZ0lUe9oyRrmTOeZqXotLFOH4jcTvjqtk5MabhhhFNKkrwO3Ut57r7v-f_j3ofcfzqqnQUG

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