file_download.exe

CoolMirage Ltd.

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application file_download.exe by CoolMirage has been detected as adware 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 setup installer will bundle multiple adware offers during download and setup (based on the user's geographical location) including toolbars, extensions and coupon utilities.
Publisher:
CoolMirage Ltd.  (signed and verified)

MD5:
532a8e0caf7dd79bb718c02bbebc6f7b

SHA-1:
5bfa3fb515f3f2cd20cad41c6d45c64c4c883f19

SHA-256:
616867f429a7a65f641a906ae59340aa3c91be539115bf00827170f9bba4f8b5

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
12/25/2024 5:24:17 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CoolMirage.Installer (M)
16.5.9.9

File size:
297.8 KB (304,912 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
6/6/2013 1:00:00 AM

Valid to:
6/7/2014 12:59:59 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 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:vsH7cCnaNaKEK0uWQoPL44xdC8NsdpmeEyWvphzS5dgtQxV:C7aEjPQoPL4YdC8NKsvph6n

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...
 
[+]

Entropy:
7.8381

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

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