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free_files_downloader.exe

Red Sky Sp. z o.o.

The application free_files_downloader.exe by Red Sky Sp. z o.o has been detected as a potentially unwanted program by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from dn.download-manage.com.
Publisher:
Red Sky Sp. z o.o.  (signed and verified)

MD5:
5d9082102b4af94942e271f3bc2a46d0

SHA-1:
2d8af8cbc0a589d708e6c9cdf07063995692d06e

SHA-256:
4d23e68d8e375168ae781bacaa6a2f6de132b9cfbe0143c02a9a756228158eab

Scanner detections:
4 / 68

Status:
Potentially unwanted

Analysis date:
5/20/2024 8:38:57 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Downware.1490
9.0.1.0182

NANO AntiVirus
Trojan.Win32.Downware.csnybt
0.28.0.58491

Reason Heuristics
PUP.Optional.RedSkySpzoo.V
14.8.31.22

Trend Micro House Call
TROJ_GE.48818833
7.2.182

File size:
4.2 MB (4,417,928 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Red Sky Sp. z o.o.

Authority:
DigiCert Inc

Valid from:
2/23/2012 6:00:00 PM

Valid to:
2/28/2013 6:00:00 AM

Subject:
CN=Red Sky Sp. z o.o., O=Red Sky Sp. z o.o., L=Szczecin, S=Zachodniopomorskie, C=PL

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0CC9BDBB8334FB4F1CF14EF9A50DA775

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:X7v1jMMd/SMILAA4LFUjn8S+vwc2MMcnLGMYjW0/tCFxMwzpkr:X7v5haAFW8XI3pmLGMMWiCFijr

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://dn.download-manage.com/?u=http://downtango.com/.../DownTangoSetup.exe&n=Free files

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