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easyaudiomp3wmaoggcuttersetup-r0-n-bf.exe

Free MP3 Cutter

Koyote-Lab Inc.

The application easyaudiomp3wmaoggcuttersetup-r0-n-bf.exe, “Free MP3 Cutter Install” 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from download2.cdn.koyotesoft.com and multiple other hosts.
Publisher:
Koyote-Lab Inc  (signed by Koyote-Lab Inc.)

Product:
Free MP3 Cutter

Description:
Free MP3 Cutter Install

Version:
1.0.0.136600

MD5:
a48d460e3ac84e8423d52f5365f0d72e

SHA-1:
1b02b75a7470906ff0ca21f73a77e1c976e01ea7

SHA-256:
07ebd5e52ef3c262cbe157254026a652a378073d7addcf1e6c6d5e89c13ad390

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:
11/23/2024 10:37:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Bandoo.KoyoteLab.Installer (M)
15.12.8.17

File size:
1.3 MB (1,320,640 bytes)

Product version:
1.0.0.136600

Copyright:
Copyright (c) 2015

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Digital Signature
Signed by:
Koyote-Lab Inc.

Authority:
thawte, Inc.

Valid from:
10/27/2015 3:00:00 AM

Valid to:
2/22/2016 2:59:59 AM

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:
2/24/2012 10:20:04 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:ZdTC719YQX8Sn3wP8rU6O0V0FK+X9KqtqtYtpQeOZU:PCZ9YC3E81dVl+YxtYtp0ZU

Entry address:
0x38AF

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, EA, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, A2, 40, 00, FF, 15, 84, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, 18, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Entropy:
7.9866

Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

The file easyaudiomp3wmaoggcuttersetup-r0-n-bf.exe has been seen being distributed by the following 3 URLs.

http://download2.cdn.koyotesoft.com/cdn/r/.../EasyAudioMp3WmaOggCutterSetup-r0-n-bc.exe

http://download.koyotesoft.com/EasyAudioMp3WmaOggCutterSetup.exe

http://download0.cdn.koyotesoft.com/cdn/r/.../EasyAudioMp3WmaOggCutterSetup-r0-n-bc.exe

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