firefox setup stub 45.0.1.exe

7-Zip

Igor Pavlov

The executable firefox setup stub 45.0.1.exe has been detected as malware by 7 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 fatorrents.com.
Publisher:
Igor Pavlov

Product:
7-Zip

Description:
7z Setup SFX

Version:
4.42

MD5:
b10bc84f33badf30ec1fb7f863b253e6

SHA-1:
7d82efc1e4fa682e33ff57fe675115dc3c7bc90b

SHA-256:
4ce2c2ea10501770ea8c7802ee4ef73ee88d8a84e04560055fdea3c362b5103b

Scanner detections:
7 / 68

Status:
File is infected by a Virus

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

Analysis date:
12/26/2024 5:20:03 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160327-1

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

Kaspersky
Virus.Win32.Sality
15.0.0.562

McAfee
Virus.W32/Sality.gen.z
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.215.3088.0

File size:
308.5 KB (315,856 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}\downloads\firefox setup stub 45.0.1.exe

File PE Metadata
Compilation timestamp:
4/17/2014 8:29:40 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:+vc6rBgDbBU0FWdSvfvTzz5NcbrhWLJUKXnCtg8nYXNV4m1SoK:+ADbBU04Svf/1o4lXCtF6OgTK

Entry address:
0x21E30

Entry point:
60, 3B, F3, 74, 01, F3, 3B, C6, 71, 09, 81, E2, 9A, 6F, 44, 30, C6, C5, EB, 8D, 15, 2C, 1A, 6D, 23, 80, FC, FF, 71, 03, 0F, B6, C4, 81, CE, D6, 8D, E4, 7D, 72, 05, 88, F8, C6, C5, AF, B5, 05, 0F, AF, C6, F3, 0F, AF, C3, 81, FE, A1, DB, 00, 00, 76, 02, FE, C4, B8, 00, 00, 00, 00, 0B, C3, 8B, C8, EB, 07, 48, C7, C0, B2, 25, FC, 25, 6B, F6, 00, 04, FD, 0B, F1, 2C, 07, 8B, C0, 03, C3, 77, 02, 8A, CD, 8D, 16, 89, C9, 86, C0, 69, CA, FD, 42, 68, 71, EB, 01, F2, 8B, FA, EB, 06, C6, C5, DC, 46, 38, FC, C6, C5, EC...
 
[+]

Entropy:
7.9206  (probably packed)

Code size:
40 KB (40,960 bytes)

The file firefox setup stub 45.0.1.exe has been seen being distributed by the following URL.

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