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firefox.exe

NewDownInstaller

QUALITY SCORE SL

The application firefox.exe by QUALITY SCORE SL has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from youwave.programas.io and multiple other hosts.
Publisher:
QUALITY SCORE SL  (signed and verified)

Product:
NewDownInstaller

Version:
1.0.0.0

MD5:
94c1ef8b64285f0ec73cbd8e2868f97b

SHA-1:
08ef6cbddeb09f8a044df8a584e1ae1c353eed9a

SHA-256:
a363a4db750d4221ab7d0eb2543ee8a4f27052ae75479777db1487ffd246de0c

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:
4/23/2024 10:19:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.QUALITYSCORESL.H
14.5.31.7

File size:
2.6 MB (2,686,656 bytes)

Product version:
1.0.0.0

Copyright:
Copyright © 2013

Original file name:
NewDownInstaller.exe

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
QUALITY SCORE SL

Authority:
COMODO CA Limited

Valid from:
1/2/2014 1:00:00 AM

Valid to:
1/3/2015 12:59:59 AM

Subject:
CN=QUALITY SCORE SL, O=QUALITY SCORE SL, STREET=CALLE SERRANO 213, L=MADRID, S=MADRID, PostalCode=28016, C=ES

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

Serial number:
4AB0F061E1C305B4B31A8ACE3AEA2E01

File PE Metadata
Compilation timestamp:
2/21/2014 2:43:58 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:xJbCIDIYvIpOZ4DOkpH9zqfj5EFXjU+ENvIpOrv5aWht8rlDn3YQoKRc0q:jbvkwIcZOPdzqflsA+OIc755hiFq

Entry address:
0x27CDDE

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 00, 03, 00, 00, 00, 30, 00, 00, 80, 0E, 00, 00, 00, 50, 00, 00, 80, 10, 00, 00, 00, 68, 00, 00, 80, 18, 00, 00, 00, 80, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 02, 00, 02, 00, 00, 00, 98, 00, 00, 80, 03, 00, 00, 00, B0, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
2.5 MB (2,600,448 bytes)

The file firefox.exe has been seen being distributed by the following 4 URLs.

http://youwave.programas.io/down.php?id=youwave&s=&idE=

http://bluestacks-app-player.programas.io/down.php?id=bluestacks-app-player&s=&idE=

http://bs-player.programas.io/down.php?id=bs-player&s=&idE=

http://www.softmillon.com/down.php

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