k5f44.rar.exe

Cool Mirage ltd.

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application k5f44.rar.exe by Cool Mirage ltd 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:
Cool Mirage ltd.  (signed and verified)

MD5:
c4555b18850956a24481c084484c5afc

SHA-1:
d8c204e191f4a05ce46b3decb5e55b38cd7709f0

SHA-256:
665b1f9369653b7df365b4504b48a7144372963c858261bc4cdd41c096ab0a53

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/16/2024 7:37:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CoolMirage.Installer (M)
16.1.15.9

File size:
258.4 KB (264,552 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\k5f44.rar.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
11/14/2012 7:00:00 AM

Valid to:
11/15/2014 6:59:59 AM

Subject:
CN=Cool Mirage ltd., O=Cool Mirage ltd., STREET=ogarit 39, L=tel aviv, S=tel aviv, PostalCode=69016, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FC28659CC8073606EF4D09A1994B1AD0

File PE Metadata
Compilation timestamp:
12/6/2009 5:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:qsv7FHGQQ7v3Z5MBFHaazmyohFCG+zpspuhmRiHMc04b:FNzU3MJzMFCGI6kARjXm

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:
7.8003

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file k5f44.rar.exe has been seen being distributed by the following URL.

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