mp3_knife_installer.exe

New Software S.C

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mp3_knife_installer.exe by New Software S.C has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from instalkicdn.pl.
Publisher:
New Software S.C  (signed and verified)

MD5:
038760201c3d3b2d26850a5fb88e85ea

SHA-1:
b81303268c389f6afa914484e68471b52f39e437

SHA-256:
5607ad7fc03e726c417450dc78cad80496b33b44e1b0482efb4c9f17a2a236b3

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.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/27/2024 7:28:17 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.23.8

File size:
716.4 KB (733,640 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\mp3_knife_installer.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
10/29/2013 1:00:00 AM

Valid to:
10/30/2014 12:59:59 AM

Subject:
CN=New Software S.C, O=New Software S.C, STREET=ul. Dabrowskiego 12, L=Zielona Gora, S=Poland, PostalCode=65-021, C=PL

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

Serial number:
00F3B1DA972DF04468B0D71B6A838C5A7F

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:hzFaJm0/Aam1cbAVpYWpQZkK0zmTbewVmR13BIW8afad2gsCOJMkOaXRA7xCTC:hzFsmYAamubAVMZkKeHGGa6ChJaKxCTC

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

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

Code size:
37 KB (37,888 bytes)

The file mp3_knife_installer.exe has been seen being distributed by the following URL.

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