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quickpdfreader.exe

Amptek Limited

The application quickpdfreader.exe by Amptek Limited 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.
Publisher:
Amptek Limited  (signed and verified)

MD5:
b1147353c7b953a4c4740d30d55a5979

SHA-1:
3402ad8a2c27e143779de52f883fb3e732f3162c

SHA-256:
d8b667592ecb482c5a59a14f6fde32c7cd173adf989e3dd31e980d3552103a1a

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:
12/28/2024 6:41:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.Amptek
15.6.7.13

File size:
1.9 MB (1,962,112 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Amptek Limited

Authority:
VeriSign, Inc.

Valid from:
6/7/2012 1:00:00 AM

Valid to:
10/13/2013 12:59:59 AM

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 10:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:n0X3V4IT5XigCDqhb7WiXADC5avxNGpr7JhRBFpZqvDS+5JeSfd6htWg7uYwRNAN:i4G5lQG5av0FFiOueKd6hxuYwglDU+iS

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:
7.9531

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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