» 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:

2014.1.24.0

MD5:

c58906ba887777693cdaffa81dbcbb43

SHA-1:

1f53caffc0d821d532b081555e21e14176ea21f9

SHA-256:

ede42117b580935cd369776e3c034a876397066de872233ed5dc68dc94159dc5

Scanner detections:

2 / 68

Status:

Adware

Analysis date:

4/25/2024 7:53:31 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 (2,831,288 bytes)

Product version:

2014.1.24.0

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:

11/6/2013 4:00:00 PM

Valid to:

11/6/2016 3:59:59 PM

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:

1/24/2014 4:01:15 AM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

5.0

CTPH (ssdeep):

49152:NOGgVO22hhvzNwbGxSac+jHFM3b5cPPiAAOaTOTV0SrvX8B:NOGwb2lM3b5cyAz0SrvX8B

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, 03, 6E, 20, 00, 8B, D0, E8, C2, 65, 1F, 00, 5A, E8, E4, 64, 1F, 00, E8, 0F, 67, 1F, 00, 6A, 00, E8, 48, 82, 1F, 00, 59, 68, 48, A0, 60, 00, 6A, 00, E8, DD, 6D, 20, 00, A3, A7, A0, 60, 00, 6A, 00, E9, 13, 2A, 20, 00, E9, 7A, 82, 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:

6.6832

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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