» tsassist.exe
Overview
Analysis
File Details
Behaviors (1)
Programs (1)
Network (1)

tsassist.exe

The File Type Assistant

Trusted Software Aps

The application tsassist.exe, “Find software to open your files” by Trusted Software Aps has been detected as adware by 2 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler named ProgramUpdateCheck triggered to execute each time a user logs in. This file is typically installed with the program File Type Assistant by Trusted Software which is a potentially unwanted software program. While running, it connects to the Internet address file.org on port 80 using the HTTP protocol.

File name:

tsassist.exe

Publisher:

Trusted Software Aps (signed and verified)

Product:

The File Type Assistant

Description:

Find software to open your files

Version:

2014.3.4.0

MD5:

8da7fbaf30350ca1521a006a1f11ad1d

SHA-1:

9afc84486a224173388e7b2a2ad2a15d384baf6e

SHA-256:

eb59c724a1abdc1376566be43b1393c32463015f4ea658d86d6c7dd8e85d19b5

Scanner detections:

2 / 68

Status:

Adware

Analysis date:

4/20/2024 12:02:51 AM UTC (today)

Scan engine

Detection

Engine version

Boost by Reason

Optional.Task.TrustedSoftwareAps.I

188838

Reason Heuristics

PUP.TrustedSoftwareAps

15.4.21.13

File size:

2.7 MB (2,834,360 bytes)

Product version:

2014.3.4.0

File type:

Executable application (Win32 EXE)

Language:

English (United States)

Common path:

C:\Program Files\file type assistant\tsassist.exe

Digital Signature

Signed by:

Trusted Software Aps

Authority:

COMODO CA Limited

Valid from:

11/7/2013 1:00:00 AM

Valid to:

11/7/2016 12:59:59 AM

Subject:

CN=Trusted Software Aps, O=Trusted Software Aps, STREET=Bysoestrade 2B st., L=Holbaek, S=DK, PostalCode=4300, C=DK

Issuer:

CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:

00DC2E7F902B196FB43F6CBF38ADF41AE8

File PE Metadata

Compilation timestamp:

3/4/2014 12:09:31 PM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

5.0

CTPH (ssdeep):

49152:GahkWwQXG3FJWCihYxW0JSO62yA1A3T1/DOqTaTgNS23c/:GahypihYxni3T1/xNS23c/

Entry address:

0x1848

Entry point:

EB, 10, 66, 62, 3A, 43, 2B, 2B, 48, 4F, 4F, 4B, 90, E9, AC, A0, 60, 00, A1, 9F, A0, 60, 00, C1, E0, 02, A3, A3, A0, 60, 00, 52, 6A, 00, E8, D3, 71, 20, 00, 8B, D0, E8, 92, 69, 1F, 00, 5A, E8, B4, 68, 1F, 00, E8, DF, 6A, 1F, 00, 6A, 00, E8, 18, 86, 1F, 00, 59, 68, 48, A0, 60, 00, 6A, 00, E8, AD, 71, 20, 00, A3, A7, A0, 60, 00, 6A, 00, E9, E3, 2D, 20, 00, E9, 4A, 86, 1F, 00, 33, C0, A0, 91, A0, 60, 00, C3, A1, A7, A0, 60, 00, C3, 60, BB, 00, 50, B0, BC, 53, 68, AD, 0B, 00, 00, C3, B9, EC, 00, 00, 00, 0B, C9... 
[+]

Entropy:

6.6851

Code size:

2 MB (2,134,016 bytes)

Scheduled Task

Task name:

ProgramUpdateCheck

Trigger:

Logon (Runs on logon)

Action:

tsassist.exe \chkupd

The file tsassist.exe has been discovered within the following programs.

File Type Assistant by Trusted Software

File Type Assistant is typically bundled by various 3rd party software through modified installers of generally free open source software using the InstallIQ downloader.

www.trustedsoftware.com/utility-software/free-file-viewer.html

74% remove it

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):

Connects to file.org (66.39.64.146:80)

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