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installer_freedocumentsviewer.exe

Tripro Ltd

The application installer_freedocumentsviewer.exe by Tripro has been detected as adware by 8 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. The file has been seen being downloaded from www.doctaskz.com.
Publisher:
Tripro Ltd  (signed and verified)

MD5:
c60c301c44815e0feef4ffc67be85164

SHA-1:
2492640349094f25f6d7052c1c138015444ca18a

SHA-256:
edefc4d3fd8a0dae5881bfce47ad25c0b7b8a4abfba7c40be75dfbf994c2b452

Scanner detections:
8 / 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:
11/24/2024 7:05:11 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.AskToolbar
4.0.3.15719

ESET NOD32
Win32/Bundled.Toolbar.Ask.G potentially unsafe (variant)
9.11926

Fortinet FortiGate
Riskware/Ask
7/19/2015

K7 AntiVirus
Unwanted-Program
13.205.16533

Malwarebytes
PUP.Optional.APNToolBar.A
v2015.07.19.07

McAfee
Artemis!C60C301C4481
5600.6700

Reason Heuristics
PUP.Tripro.Installer (M)
15.7.19.7

Sophos
Mal/FakeAV-IR
4.98

File size:
8.2 MB (8,579,024 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Tripro Ltd

Authority:
VeriSign, Inc.

Valid from:
9/29/2013 7:00:00 PM

Valid to:
9/30/2015 6:59:59 PM

Subject:
CN=Tripro Ltd, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Tripro Ltd, 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:
1189C239E85299F4464322E094264D91

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:VO6wyee4SSk5hX7QC606ca1/gwjt/S+/q9k:E6z/4tknXcCDTLkt

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:
7.9991

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://www.doctaskz.com/Installer_FreeDocumentsViewer.exe

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