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freezipopener.exe

Tripro Ltd

The application freezipopener.exe by Tripro 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 file has been seen being downloaded from freezipopener.s3.amazonaws.com.
Publisher:
Tripro Ltd  (signed and verified)

MD5:
5de7f017a99e46f8da02990afea75897

SHA-1:
52d676fb9c745d09e3788368ee10c07698164ffd

SHA-256:
c34f1c59d8143e8a18c1de2cf8911389f82e90f5b42e4c52ad495e377bfedbe1

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/24/2024 9:57:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tripro.Installer (M)
16.2.11.23

File size:
6.5 MB (6,804,240 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\content.ie5\qk63xmik\freezipopener.exe

Digital Signature
Signed by:
Tripro Ltd

Authority:
Symantec Corporation

Valid from:
9/30/2015 7:00:00 PM

Valid to:
11/29/2017 5:59:59 PM

Subject:
CN=Tripro Ltd, O=Tripro Ltd, L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
13A3B9C03ED5637D31E4611B935ADCCF

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
196608:FXHIBoN04qiiamfKmxXyoYpjMojVcB5sI05zoP:F364EjKwPcJVs5sI0GP

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9936

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://freezipopener.s3.amazonaws.com/FreeZipOpener.exe

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