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firefoxsetup.exe

Firefox

YANDEX LLC

The application firefoxsetup.exe by YANDEX has been detected as a potentially unwanted program 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 hotdownloads.ru.
Publisher:
Mozilla  (signed by YANDEX LLC)

Product:
Firefox

Version:
4.42

MD5:
9a50be25bb9feddeb76fd6c1747a80e3

SHA-1:
54cd3f39c2968fb1ac7bfec087aca767b715e4eb

SHA-256:
bb956f2c39077dec261c1574ba2dd2a80043ad32f7dfddebbdc06e22e6a2986c

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/25/2024 4:32:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yandex.Installer.Installer.Meta (L)
16.2.12.9

File size:
26.1 MB (27,377,288 bytes)

Product version:
4.42

Copyright:
Mozilla

Original file name:
7zS.sfx.exe

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
YANDEX LLC

Authority:
VeriSign, Inc.

Valid from:
1/15/2013 3:00:00 AM

Valid to:
1/16/2016 2:59:59 AM

Subject:
CN=YANDEX LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=YANDEX LLC, L=Moscow, S=Moscow, C=RU

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3667E158B524C8FFBFE538172786F1E2

File PE Metadata
Compilation timestamp:
11/15/2012 4:36:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
786432:HJ27sHWgyO8yXOV4ATBbePSQkhckh9weuLpe/MpI2daI:pUWttXs48BqKQK3Y6Mn

Entry address:
0x11C9F

Entry point:
55, 8B, EC, 6A, FF, 68, 20, 49, 41, 00, 68, 04, 1E, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, FC, 40, 41, 00, 59, 83, 0D, 40, 8B, 41, 00, FF, 83, 0D, 44, 8B, 41, 00, FF, FF, 15, 00, 41, 41, 00, 8B, 0D, 38, 8B, 41, 00, 89, 08, FF, 15, 04, 41, 41, 00, 8B, 0D, 34, 8B, 41, 00, 89, 08, A1, 08, 41, 41, 00, 8B, 00, A3, 3C, 8B, 41, 00, E8, 23, 01, 00, 00, 39, 1D, E0, 86, 41, 00, 75, 0C, 68, 2E, 1E, 41, 00, FF, 15, 0C, 41...
 
[+]

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
74 KB (75,776 bytes)

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

http://hotdownloads.ru/ads/www/delivery/ck.php?oaparams=2__bannerid=4__zoneid=2__cb=53eeccedce__oadest=http://getfirefox.yandex.ru/.../FirefoxSetup.exe

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