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firefox_setup.exe

Dnldstr_Aggregator Downloader

Download Guru

The application firefox_setup.exe by Download Guru has been detected as adware by 17 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from cdn.downloadbfiles.net.
Publisher:
Dnldstr_Aggregator  (signed by Download Guru)

Product:
Dnldstr_Aggregator Downloader

Version:
6.0.45.34368

MD5:
7d881ed1c9fb19d352feb7cc7375ed00

SHA-1:
2464029e4097ecf13000db75621a05f8a33da6ed

SHA-256:
d818ee61ebc3c0399c42dec03f7f8f13b57910d44b93da68c4edb64fd1a93280

Scanner detections:
17 / 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.

Analysis date:
5/30/2024 8:25:04 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

AhnLab V3 Security
PUP/Win32.InstallCore
2015.04.15

Avira AntiVirus
Adware/InstallCo.zlz
7.11.205.220

avast!
Malware-gen
2014.9-160102

AVG
Adware InstallCore
2017.0.2877

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.InstallCore.217
9.0.1.02

ESET NOD32
Win32/InstallCore.WQ potentially unwanted application
10.7.0.302.0

F-Secure
Adware.Linkury.M
11.2016-02-01_7

K7 AntiVirus
Adware
13.202.15603

Malwarebytes
PUP.Optional.Installcore
v2016.01.02.10

McAfee
Trojan.Artemis!75C5EAA4C9BB
5600.6533

NANO AntiVirus
Riskware.Win32.InstallCore.drfvwt
0.30.24.1357

Norman
Kryptik.CDMO
11.20160102

Reason Heuristics
PUP.installCore.DownloadGuru.Installer (M)
16.1.2.10

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

VIPRE Antivirus
Threat.4150696
38552

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\temporary internet files\content.ie5\{random}\firefox_setup.exe

Digital Signature
Signed by:
Download Guru

Authority:
COMODO CA Limited

Valid from:
1/14/2015 7:00:00 PM

Valid to:
1/14/2017 6:59:59 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 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:aVJcH9XsQ1Q0KVU3KER0e5BgqFq31ztf4JUOQ:azuXO0KW3pVmd5tVOQ

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.downloadbfiles.net/?downloadAs=Firefox_Setup.exe&data=IEhHyIOT1nHpOvUoemPZim5CqDjBSMqZc5io6r5crK6dRU9hEZACDvQe 3 eKA4H0Dx1D3QyYBcUr7PJ8HaeA1HTjvLHlZVOAxjBeYD9L2P VLnCfrm6RC1dw7ry/YdcjNVu/k1p0oJmxdYG0qZXK61kUVsQCir61aTucyQ19DV/HFm228a6Cd8Ykqz33wD2Ts6TKVwGiUz1MBXHh/b05iFPHP7OFAKkZDlHp/UJaX1BsqaXhY3wg5xgK9kOLplWGol1sibWJqU1TFOaPPuzODDgTk18UFQX Xfi/yQiCu0xA 3YqO1wXabWIrsl ZPoTnP0Yi47Q4SQ0l/Cdt6wZFaFOPtmVW2Nguxs3DIbyNPvfYTqJJhGw PymS6QJG4cIaL2Ad LMWai/Xir oRr3RgjxlVf9P87/tD6eRy5M1XAcrjr6WpKX8TtUnVzIx/nxHOuePfc2x3cEcyKwTihJXbSGLMsUcgb/YN0sbZvDU2oqDU4LD2TNDvduqAMDLuiKGSZW/sfrbJdz8J sKp2IeB4Ckb9IwZYUL/atAZSrIJukDG1eVOSzrwD9FY XEsYAZCz8/.../9BgcPlSJ 5FxkffEXJr3bIe2VEFXW47cyJtOXlTXmE0QO8KBHS3pkgka8Fm c8xireIuSaBk8zE3zKLhyO5FFKZFlIuxW6G2NmVW6PHGPcGDtnwB V5gskb5XUv9kUy73c6tvYaGTQ7d8JASJcO55ChepMKu0JT3PLBoMUz9s0aIa1K0o4xiSv5tQut08yGqXMoD5FUxjRB8jpMzdgEW9TEL2mSLcbLm6f1q7ShGQYLC0D7vyef0E5DfNwY22QZVJN4bgq XsbJpXHY

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