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megazipper.exe

Amptek Limited

The application megazipper.exe by Amptek Limited has been detected as adware by 5 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from filesopened.s3.amazonaws.com.
Publisher:
Amptek Limited  (signed and verified)

MD5:
1bbd975bc923d5fa470038a365581423

SHA-1:
ae15201ccff777cd2ee47820ab937be41f96d8f4

SHA-256:
5ab6bc8ab76668870911fc6f648f837dfaa8303962d98cb7dc0eac6e617a7aeb

Scanner detections:
5 / 68

Status:
Adware

Analysis date:
11/15/2024 2:49:32 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Detection.Undefined
7.0.302.0

Reason Heuristics
PUP.Installer.Amptek
15.3.15.22

Rising Antivirus
PE:Trojan.Win32.Generic.125CE9D3!308079059
23.00.65.15313

Trend Micro House Call
PAK_Generic.005
7.2.74

Trend Micro
PAK_Generic.005
10.465.15

File size:
2.2 MB (2,315,768 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Amptek Limited

Authority:
VeriSign, Inc.

Valid from:
6/6/2012 8:00:00 PM

Valid to:
10/12/2013 7:59:59 PM

Subject:
CN=Amptek Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Amptek Limited, L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
55B30AAE501ADA359698E3025A847E57

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:bXHIhxfGLO+gQWTNtcBDGjtsh+CrsCV9yJA7NUB97J9AxalimXXNHfxzSO5f:bXHITGVYNiBqjts0WQWMRAxGBpXN

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:
7.9640

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://filesopened.s3.amazonaws.com/MegaZipper.exe

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