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codec_pack_23931_ch.exe

Cool Mirage ltd.

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application codec_pack_23931_ch.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:
8ab05ac11b431a3cbf4659c1ab0bc280

SHA-1:
6f4e23166fca7e86bae960a12c38c571ee66e456

SHA-256:
9787a0b30ce85eeaa8b37b052d91e482a6ae65cc1694b84b605230d27c2a193e

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/19/2024 4:13:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CoolMirage.Installer (M)
16.4.15.17

File size:
370.4 KB (379,256 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\codec_pack_23931_ch.exe

Digital Signature
Signed by:
Cool Mirage ltd.

Authority:
COMODO CA Limited

Valid from:
11/13/2012 4:00:00 PM

Valid to:
11/14/2014 3:59:59 PM

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:
12/5/2009 2:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:SsV7FxMCKP1rW3Tj2DrqDyB1ZrT8rdifaTxhHRLvBUIqo+TMtMO5ib5hPKt:fLHYYjCwO1Z3HkdLv6IK4tMO5ibD6

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:
7.8843

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file codec_pack_23931_ch.exe has been seen being distributed by the following URL.

http://www.hd-plugins.com/.../dl2.php?build=nf&pub=m2kab1

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