freedocsopener.exe

Amptek Limited

The application freedocsopener.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. The file has been seen being downloaded from opendocumentfiles.s3.amazonaws.com.
Publisher:
Amptek Limited  (signed and verified)

MD5:
f179b9b3e41d766df8656d9ff8066111

SHA-1:
383df403389673f1ca4834aa8ef9edbc1e2d4992

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:
10/23/2018 3:00:14 AM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Amptek.Installer (M)
15.12.30.11

File size:
4.6 MB (4,861,440 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\freedocsopener.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
6/6/2012 5:00:00 PM

Valid to:
10/12/2013 4:59:59 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 2:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:sxIfTEGyqQC7FKN8V0Oo8e7EBbexBLVAMaDGIKmxKTmm2g0urIN:sCb/mE0ioqbouibmDgIN

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 freedocsopener.exe has been seen being distributed by the following URL.

Remove freedocsopener.exe - Powered by Reason Core Security