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freemp3joiner.exe

Application

TsingSoft Co., Ltd

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application freemp3joiner.exe, “Application Setup ” by TsingSoft Co. 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 installCore installer. The file has been seen being downloaded from cdn.freeaudiovideoamazingfiles.com.
Publisher:
Application Internet   (signed by TsingSoft Co., Ltd)

Product:
Application

Description:
Application Setup

MD5:
ac79f1e09c6a51b29b3fd13290863dca

SHA-1:
9248e37861066ec66610ad0a9f2c906cb9901880

SHA-256:
08b084e04625d07da391a8a23c0ee5c4215feea21ece069229606e89c6ad7be7

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/28/2024 2:43:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.TsingSof.Installer (M)
16.6.30.5

File size:
685.9 KB (702,376 bytes)

Product version:
3.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\freemp3joiner.exe

Digital Signature
Signed by:
TsingSoft Co., Ltd

Authority:
GlobalSign nv-sa

Valid from:
3/6/2015 9:52:21 AM

Valid to:
3/6/2018 9:52:21 AM

Subject:
CN="TsingSoft Co., Ltd", O="TsingSoft Co., Ltd", L=北京, S=北京, C=CN

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112102633BC98CD80F1FA21A171757061D95

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:mrmGIxDA2bI9FwQhuBMJzzCc21qlIVaevop/QJnKwQvD85NFUQVU0b9KBkYUyPDB:mrmhxEcGwUHzbTVz/aBuDXQj4bU+DFrL

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9019

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file freemp3joiner.exe has been seen being distributed by the following URL.

http://cdn.freeaudiovideoamazingfiles.com/c?x=rAp0fHk9v532WC7m3zUHYZ1Fsf49c8tCgvVSeRur5JI=&c=PnVXzOGGbz2I6T3Uje9lGdITguTf6SDiWnD4/WwFayYEnDZ2zlwGFoAqA25KaYTmMVC w ofBkMyX8MjKOiUg==&downloadAs=FreeMP3Joiner.exe&fallback_url=http://www.downloadonic.com/freeaudiovideosoft.com/.../FreeMP3Joiner_IS.exe

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