firefox_setup.exe

Dnldstr_Aggregator Downloader

Download Guru

The application firefox_setup.exe by Download Guru 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 Inno Setup installer. The file has been seen being downloaded from cdn.downloadzonefiles.org.
Publisher:
Dnldstr_Aggregator  (signed by Download Guru)

Product:
Dnldstr_Aggregator Downloader

Version:
6.0.45.34368

MD5:
b389485c0919aa5699cfd2e9ef3b5723

SHA-1:
2e9b1deae1ab5dc02a37df2d8227047db1e35dfc

SHA-256:
8d8c3f66dd476dcff20b19c5cb20b24f7e216086052ec3a18a424e5eb2c5111c

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.

Analysis date:
11/30/2024 7:52:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.12.13.1

File size:
775.6 KB (794,264 bytes)

Product version:
6.0.45.34368

Copyright:
Dnldstr_Aggregator

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\firefox_setup.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
1/14/2015 4:00:00 PM

Valid to:
1/14/2017 3:59:59 PM

Subject:
CN=Download Guru, O=Download Guru, STREET="500 Westover Drive #6502", L=Sanford, S=NC, PostalCode=27330, C=US

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

Serial number:
00F2561EDD8FFEC5009496B41A4A4D358D

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.8894

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

Code size:
39.5 KB (40,448 bytes)

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

http://cdn.downloadzonefiles.org/c?x=lBXwJ5mB/ixXyyqGhPFdABEqJcv9lUinT6caC4RpOMY=&c=YVC0y9cm5HaY81CbfQ7aLS5Y5Xpsfipm2ZbeMDPsnFUpoS5EaBMzN/QRN1Z33rmuN07MU/sfivdpKZNfNNbdzQ==&downloadAs=Firefox_Setup.exe&fallback_url=http://download-installer.cdn.mozilla.net/pub/firefox/releases/34.0.5/win32/.../Firefox Setup Stub 34.0.5.exe

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