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zkx5t2j_.exe

CoolMirage LTD.

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The file zkx5t2j_.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. It is also typically executed from the user's temporary directory.
Publisher:
CoolMirage LTD.  (signed and verified)

MD5:
d64f3861ccac2a58e51ce4f8d7a5d4ec

SHA-1:
06c0f3abfc89c5c04afab991040cd832cdc8c96e

SHA-256:
3c55966ba87956bda670f99aa299c90e21d3eb912a11c9cea5ec63f5afe3860e

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
12/25/2024 2:19:08 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CoolMirage (M)
16.8.6.11

File size:
487.8 KB (499,536 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\zkx5t2j_.exe.part

Digital Signature
Signed by:
CoolMirage LTD.

Authority:
Thawte, Inc.

Valid from:
8/26/2014 2:00:00 AM

Valid to:
11/10/2015 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:
029E9B7F7CD982D1F52BA19EDA66E340

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):
12288:CbUA7xUve3ePDVuDBi07/XnQ1UM9BpbpnTdan7y3:YUA7WQM8DGn9bb1In7y3

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)

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