freedocumentsviewer.exe

Tripro Ltd

The application freedocumentsviewer.exe by Tripro 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. 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 localhost and multiple other hosts.
Publisher:
Tripro Ltd  (signed and verified)

MD5:
51b70f5ce08a8aa7b00a81e8d98db932

SHA-1:
eb9708ca4d547706fa95b1ed05463bc7d166f212

SHA-256:
8bc5852c346aa54e3dc9a65f4b72052012769bed2823c879995eb8aaf627573c

Scanner detections:
5 / 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:
11/28/2024 2:58:34 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.AskToolbar
4.0.3.151029

ESET NOD32
Win32/Bundled.Toolbar.Ask.G potentially unsafe (variant)
9.12476

Fortinet FortiGate
Riskware/Ask
10/29/2015

Malwarebytes
PUP.Optional.APNToolBar
v2015.10.29.08

Reason Heuristics
PUP.Tripro.Installer (M)
15.10.29.8

File size:
3.5 MB (3,631,528 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\freedocumentsviewer.exe

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
9/30/2015 7:00:00 PM

Valid to:
11/29/2017 5:59:59 PM

Subject:
CN=Tripro Ltd, O=Tripro Ltd, L=Hong Kong, S=Hong Kong, C=HK

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
13A3B9C03ED5637D31E4611B935ADCCF

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):
98304:HCpokhtdIb5lfAC7n1DCVjhnQ0y11ctes4:HCpfi5T1Whnflh4

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:
7.9957

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file freedocumentsviewer.exe has been seen being distributed by the following 3 URLs.

http://localhost:37848/continue?TiCredToken=18249&Source=WTP&URL=http://.../FreeDocumentsViewer.exe

http://113.171.224.167/.../FreeDocumentsViewer.exe

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