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7-zip--64-bits--921-32-bits.exe

The application 7-zip--64-bits--921-32-bits.exe has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from dl.cdn.baixaki.com.br.
MD5:
1d55b9ab9e1b029ceaf7784906603187

SHA-1:
4151291372eacac20fc030e420facb3649b11f51

SHA-256:
def59899d76d32f6ac2495c3819ddce6c8c64833b0313d8a5c66c4ebcd0c9649

Scanner detections:
5 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/26/2024 6:00:35 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/InstallCore.CA.gen (variant)
10.8659

Malwarebytes
PUP.Optional.InstallCore
v2016.01.19.07

Reason Heuristics
PUP.InstallCore.Bundler (M)
16.1.19.19

Trend Micro House Call
TROJ_GEN.F47V0802
7.2.19

VIPRE Antivirus
InstallCore.b
20240

File size:
648.4 KB (663,912 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\7-zip--64-bits--921-32-bits.exe

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:QyMJfsGJQEGWkDQOY5t41H8Dulsr/6c0mnRuYWiUcgNBXGzk+cyBmRvM+:QyMJfsVEGdR1AulsbxuD4aB2o4B

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

The file 7-zip--64-bits--921-32-bits.exe has been seen being distributed by the following URL.

http://dl.cdn.baixaki.com.br/programas/40163/.../7-zip--64-bits--921-32-bits.exe

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