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firefox_install_fr.exe

7-Zip

Igor Pavlov

The executable firefox_install_fr.exe has been detected as malware by 11 anti-virus scanners. This is a setup and installation application, however the file is not signed with an authenticode signature from a trusted source. Infected by an entry-point obscuring polymorphic file infector which will create a peer-to-peer botnet and receives URLs of additional files to download. The file has been seen being downloaded from download.free-browser.co.
Publisher:
Igor Pavlov

Product:
7-Zip

Description:
7z Setup SFX

Version:
4.42

MD5:
c7df23ff694e9fd3c2e7690417a11dd5

SHA-1:
02aa1cff5cc45a98e492600ec61160d7a818bdeb

SHA-256:
e530c5cc68b0c74343e0bbb5232d12b16a957848f2efbc58b5bd4a60cd29738b

Scanner detections:
11 / 68

Status:
File is infected by a Virus

Explanation:
The file is infected by a polymorphic file infector virus.

Analysis date:
11/15/2024 10:18:46 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160326-0

AVG
Win32/Sality
2015.0.4355

Dr.Web
Win32.Sector.30
9.0.1.05190

Emsisoft Anti-Malware
Win32.Sality
11.5.0.6191

ESET NOD32
Win32/Sality.NBA virus
8.0.319.0

F-Prot
W32/Sality.gen2
4.6.5.141

Kaspersky
Virus.Win32.Sality
15.0.0.562

McAfee
Virus.W32/Sality.gen.z
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.219.1090.0

Norman
Win32.Sality.3
02.04.2016 17:35:19

Sophos
Virus 'Mal/Sality-D'
5.23

File size:
312.6 KB (320,144 bytes)

Product version:
4.42

Copyright:
Copyright (c) 1999-2006 Igor Pavlov

Original file name:
7zS.sfx.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

File PE Metadata
Compilation timestamp:
4/17/2014 7:29:40 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:Xvc6rBTDbBU08gCm5FWhyoTmXuLb5mZhAjYB/g7a+lVB0:XzDbBU0HshJmXuLAZhAMKH0

Entry address:
0x21E30

Entry point:
0F, B6, CB, 87, C3, F3, 86, E6, 85, F2, 71, 02, 8A, C8, B8, 2D, 37, CA, 0A, 1A, D3, 3B, F6, F7, C6, 6C, D3, C3, 85, B6, FA, 87, D1, 81, FE, A1, B2, 96, 4B, F6, C0, 2F, F2, 56, 55, 30, E5, BA, C0, 4E, 24, 15, E8, 43, 00, 00, 00, 83, E3, 00, C7, C2, DD, 0C, A9, 0A, 8A, F1, 80, C1, 7C, 84, E9, 8B, F6, 81, C3, B2, 07, 00, 00, 81, CE, 9A, DC, 06, E7, 29, FD, 81, EB, B1, 07, 00, 00, 45, 69, F5, 18, 84, 4B, 94, 10, ED, 87, EE, 0F, BE, F9, 0F, BF, CE, 81, FB, C7, 00, 00, 00, 0F, 82, C0, FF, FF, FF, 87, F6, C6, C5...
 
[+]

Code size:
40 KB (40,960 bytes)

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

http://download.free-browser.co/.../firefox_install_fr.exe

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