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firefox_setup.exe

Dnldstr_Aggregator Downloader

Software Provider

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application firefox_setup.exe by Software Provider 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 installer is marketed through download protals and search ads as the free Mozilla Firefox web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Dnldstr_Aggregator  (signed by Software Provider)

Product:
Dnldstr_Aggregator Downloader

Version:
6.0.45.34368

MD5:
69cf1de139c23cb87ef285730c33e4b7

SHA-1:
d9d67ea53927ab7d9d1e77d0cee2c0b63f30c4e3

SHA-256:
f1c7d2cf39e94f4e4c8983d11b639a4c05da4168f264629aedf8a08566fbfccd

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 '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:
11/15/2024 5:46:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.10.19

File size:
773.7 KB (792,224 bytes)

Product version:
6.0.45.34368

Copyright:
Dnldstr_Aggregator

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefox_setup.exe

Digital Signature
Signed by:
Software Provider

Authority:
COMODO CA Limited

Valid from:
1/8/2015 7:00:00 PM

Valid to:
1/8/2017 6:59:59 PM

Subject:
CN=Software Provider, O=Software Provider, STREET="1732 1st Avenue #26525", L=New York, S=New York, PostalCode=10128, C=US

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

Serial number:
1BC1A66917D715383195F592573FE5D3

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:VbrnmVf2jO2jHj0sCY3U6fAlYe2V2Ue7OsENCBv:VfGfEXfCD6fUlUTMBv

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:
7.8877

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

Code size:
37 KB (37,888 bytes)

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

http://cdn.downloadzonefiles.org/?downloadAs=Firefox_Setup.exe&data=SHs4a9L84PIj6/686pvwyzKwx r0 Md v2fwVFirbpp5PhsZT9XPb9yNXVmUlgJaRs8Qhjwep9WBK E s5cdpqJPR4mfADAdhQ1o7GChAZ eiYDzjb0mDhrTi/xfZTKDNYEBzlkZb4Wnw/7131DmAbTHlmObzcB3qggtwbIWF3af0XITz5RL AoyuYy4CmFeiQYr1icJnAb4fNqsphAM TFXhLfJfr4aa59OF/NNocwIc7GL3Uue93hmVI TztBHM/TgzcAu q/bpUjr085nWX/p9wOQf5S90bYN/4ZYnjnn/9xSDqiTMjazy55aQycOnXhP YkjC5bkpObLYwsyZb3oD3rbMcNUKSVPXCKXbj9ylgnVl/gwWRYnI1LFKfAj4c6tsdHkZXDHeqoi4uUtpeTIV2PlwVi4SmLI6MrqA5dKZ/2/f/dVBeByuZBeHD62iLqepGziUnWA5ePnGaqn6OzVjFDxzQ90agZiDW8ySYTS7VTcsypCDGoaLfvv3epPcQMLYyBPSdHRaQLtzdTWoNInLcPTsjgSpRvDM2j3dTMFRe3GCT7KSx2cK0P8jJKpjA61D APzA2cIU3Ifw8WPWQUofMvD4qlReLSwx4tPpR4vdu PokShBIDbU3pAbetiNfNMyNmiL2eEMUYyVvgdAULjuYxc16QzNuJvn3tDbB0L8hIwQmQV0a5i9zQxR V3gorXtqEhZLwRCsuaw1n1lLeAxA2BSPDeNy3JbBZ GXfLNQx5jmqbS6AEungF9D4sEUoBa 74K6YW2Gn7KmHIertTXEZ9WGsfaYIFk90HSmtTY/.../Ipbdr1YY25DGJZNep63KadbyQsi69qn5EDMkeWfQdoxcQYriLltT0BRwgAmlL1VvIkw0bDQ GooJlZ

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