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download_file.exe

CoolMirage Ltd.

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application download_file.exe by CoolMirage has been detected as adware by 16 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 s1-pt-download.maynemyltf.netdna-cdn.com.
Publisher:
CoolMirage Ltd.  (signed and verified)

MD5:
4a28dfe68f05deb465d5b5e8bd4cb491

SHA-1:
fb98133f0416ddb2809c3795449b415e017c7c47

SHA-256:
2ee7fa434783ee117c2e6b2dad538c68c581c3382ed2ea5e6a3f0ae4e7d96708

Scanner detections:
16 / 68

Status:
Adware

Explanation:
Bundles a number of adware programs in the installer.

Analysis date:
4/20/2024 4:00:21 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/1ClickDownload.AD.27
7.11.145.160

Comodo Security
Application.Win32.MCool.D
18180

Dr.Web
Adware.Downware.1263
9.0.1.0124

ESET NOD32
Win32/AdWare.1ClickDownload.AR
8.9731

G Data
NSIS.Adware.OneClickDownloader
14.5.24

Malwarebytes
PUP.Optional.OneClickDownloader.A
v2014.05.04.09

McAfee
Artemis!4A28DFE68F05
5600.7141

Microsoft Security Essentials
SoftwareBundler:Win32/OneClickDownloader
1.10502

NANO AntiVirus
Riskware.Nsis.IMinentToolbar.cvldvo
0.28.0.59492

Panda Antivirus
PUP/MultiToolbar.A
14.05.04.09

Qihoo 360 Security
Win32/Virus.Adware.47b
1.0.0.1015

Reason Heuristics
PUP.CoolMirage.N
14.8.7.17

Sophos
CoolMirage
4.98

SUPERAntiSpyware
PUP.OneClickDownloader/Variant
10626

Trend Micro House Call
TROJ_GEN.R0CBH07C914
7.2.124

VIPRE Antivirus
Conduit
28650

File size:
296.3 KB (303,424 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Digital Signature
Signed by:
CoolMirage Ltd.

Authority:
Thawte, Inc.

Valid from:
6/6/2013 2:00:00 AM

Valid to:
6/7/2014 1:59:59 AM

Subject:
CN=CoolMirage Ltd., O=CoolMirage Ltd., L=Tel Aviv, S=Israel, C=IL

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

Serial number:
110F603E63C86349A5F243EA06966F33

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:dsH7c30cLCr9tHqP84EyMGRTJ+j8oJ47JkDRsZroc7+li2:Am0cLCr9VqPLuoJ+j8oJuIs4n

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 download_file.exe has been seen being distributed by the following URL.

http://s1-pt-download.maynemyltf.netdna-cdn.com/build/.../download_file.exe

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