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pack.exe

7-Zip

Koyote-Lab Inc.

The application pack.exe by Koyote-Lab has been detected as a potentially unwanted program 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 7z Setup installer. It is also typically executed from the user's temporary directory.
Publisher:
Igor Pavlov  (signed by Koyote-Lab Inc.)

Product:
7-Zip

Description:
7z Console SFX

Version:
9.20

MD5:
37a756af0b4b4347916056273a91521c

SHA-1:
f5d860461500abf0dd27bd8d1471d6c3ce2b1e82

SHA-256:
846fe8e6c8d1b175bd8fb98df735961670d441c32114b7be58eccdb15d1f0a89

Scanner detections:
1 / 68

Status:
Potentially unwanted

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.

Analysis date:
2/24/2025 4:35:59 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Bandoo (M)
16.7.30.13

File size:
989.4 KB (1,013,120 bytes)

Product version:
9.20

Copyright:
Copyright (c) 1999-2010 Igor Pavlov

Original file name:
7z.sfx.exe

File type:
Executable application (Win32 EXE)

Installer:
7z Setup

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\nsa1a47.tmp\pack.exe

Digital Signature
Signed by:
Koyote-Lab Inc.

Authority:
thawte, Inc.

Valid from:
10/26/2015 5:00:00 PM

Valid to:
2/21/2016 3:59:59 PM

Subject:
CN=Koyote-Lab Inc., OU=DEV, O=Koyote-Lab Inc., L=Panama City, S=Panama, C=PA

Issuer:
CN=thawte SHA256 Code Signing CA - G2, O="thawte, Inc.", C=US

Serial number:
5D8843D240CE142A4D70B9208C8B2B7D

File PE Metadata
Compilation timestamp:
11/18/2010 8:27:32 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

CTPH (ssdeep):
24576:bXi6kgaINVN7CP08Z+OzteYvyJLpLEeALbnaKan/4o:bXiTcNr7q08khYvypELbnaqo

Entry address:
0x1C1F2

Entry point:
55, 8B, EC, 6A, FF, 68, E0, FE, 41, 00, 68, EC, C1, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 20, 53, 56, 57, 89, 65, E8, 83, 65, FC, 00, 6A, 01, FF, 15, E4, F0, 41, 00, 59, 83, 0D, 30, A7, 42, 00, FF, 83, 0D, 34, A7, 42, 00, FF, FF, 15, E8, F0, 41, 00, 8B, 0D, 08, 87, 42, 00, 89, 08, FF, 15, EC, F0, 41, 00, 8B, 0D, 04, 87, 42, 00, 89, 08, A1, F0, F0, 41, 00, 8B, 00, A3, 2C, A7, 42, 00, E8, D5, 00, 00, 00, 83, 3D, A0, 63, 42, 00, 00, 75, 0C, 68, 32, C3, 41, 00, FF, 15, F4, F0...
 
[+]

Entropy:
7.9182

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

Code size:
119 KB (121,856 bytes)

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