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quickpdfreader.exe

Amptek Limited

The application quickpdfreader.exe by Amptek Limited has been detected as adware by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension.
Publisher:
Amptek Limited  (signed and verified)

MD5:
bbb06b2ffcfcd2cfa597dff132b9c95d

SHA-1:
82d94a6cbb5ad6b43a42cd08f6fc45fb60e7de57

SHA-256:
a878c69dfea14d77da4311f2f50a87d74f28b9cd652dd1b3d300be123a97799c

Scanner detections:
3 / 68

Status:
Adware

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Analysis date:
12/28/2024 6:28:41 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.8723

Malwarebytes
PUP.Optional.BundledToolBar.A
v2014.10.11.10

Reason Heuristics
PUP.AmptekLimited.O
14.11.21.23

File size:
2.2 MB (2,287,096 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:
6/6/2012 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:qmfkSCqeYeOTLs6OeFwk15w1JIVOhzw14ZK9DVWmp/IZE/w:q/qeYeks6OYwskuwhzk4y7FIZv

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:
7.9633

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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