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4301debb9b3e38be94f1f331e202e8864157073a53bc180da09ea887dfcd45e4

Free FLV Converter

Koyote-Lab Inc.

The file 4301debb9b3e38be94f1f331e202e8864157073a53bc180da09ea887dfcd45e4, “Free FLV Converter 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 www.koyotesoft.com.
Publisher:
Koyote-Lab Inc.  (signed and verified)

Product:
Free FLV Converter

Description:
Free FLV Converter Install

Version:
1.0.0.128989

MD5:
98c86017e08764c7d43a0f8cd83d7d3a

SHA-1:
3b19e7d57f51446d5569a733a8d0faa76c4199f7

SHA-256:
4301debb9b3e38be94f1f331e202e8864157073a53bc180da09ea887dfcd45e4

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:
12/25/2024 5:57:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.KoyoteLab
15.6.4.19

File size:
1.1 MB (1,149,368 bytes)

Product version:
1.0.0.128989

Copyright:
Copyright (c) 2012

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Digital Signature
Signed by:
Koyote-Lab Inc.

Authority:
Thawte, Inc.

Valid from:
2/23/2012 1:00:00 AM

Valid to:
2/22/2014 12:59:59 AM

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

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

Serial number:
7AD16C59E384A2E3D38D2287483F9B2B

File PE Metadata
Compilation timestamp:
5/30/2013 10:09:15 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:8GpsnsxfzEsne0yUp1hWKrTTELtry7RomuZjIvJ7xa:9g+fvehUp1Rr/Exr0SjZw7xa

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, BC, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 25, 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, 80, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, 8F, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 7D, 27, 00, 00...
 
[+]

Entropy:
7.9831

Packer / compiler:
Nullsoft install system v2.x

Code size:
29.5 KB (30,208 bytes)

The file 4301debb9b3e38be94f1f331e202e8864157073a53bc180da09ea887dfcd45e4 has been seen being distributed by the following URL.

http://www.koyotesoft.com/.../FreeFLVConverterSetup.exe

herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.